Skill | KeyStage | Name | Direct Link | YouTube URL | Legacy Id (pre Sept22) |
---|---|---|---|---|---|

E1 | Primary | Exam Practice: Understand (positive) whole numbers on a number line. | drfrostmaths.com/explorer.php?ssid=546 | E1 | |

K1a | Primary | Order integers. | drfrostmaths.com/explorer.php?ssid=590 | https://www.youtube.com/embed/FuZNqFdE_AI | K1 |

K1b | Primary | test | drfrostmaths.com/explorer.php?ssid=1477 | K949 | |

K1c | Primary | TEST | drfrostmaths.com/explorer.php?ssid=1517 | K977 | |

K1d | Primary | Development | drfrostmaths.com/explorer.php?ssid=1724 | ||

K1e | Primary | GDP Testing 2 | drfrostmaths.com/explorer.php?ssid=1661 | ||

E2 | Primary | Exam Practice: Compare and order (positive) integers using <, > and =. | drfrostmaths.com/explorer.php?ssid=548 | E2 | |

K2a | Primary | GDP TESTING | drfrostmaths.com/explorer.php?ssid=1625 | ||

E3 | Primary, Secondary | Exam Practice: Know the place value of digits. | drfrostmaths.com/explorer.php?ssid=404 | https://www.youtube.com/embed/DhndjuSKwKQ | E3 |

K3a | Primary, Secondary | Know the place value of digits in whole numbers. | drfrostmaths.com/explorer.php?ssid=589 | https://www.youtube.com/embed/e6pw9c_5wwo | K2 |

K3b | Primary, Secondary | Multiply integers by 10, 100 or 1000. | drfrostmaths.com/explorer.php?ssid=626 | https://www.youtube.com/embed/9Fk7E62mYIA | K11 |

K3c | Primary, Secondary | Divide integers by 10, 100 or 1000. | drfrostmaths.com/explorer.php?ssid=627 | https://www.youtube.com/embed/T4956zM6ZZ4 | K15 |

K3d | Primary, Secondary | Partition 3-digit numbers into hundreds, tens and units using a part-whole model. | drfrostmaths.com/explorer.php?ssid=1633 | ||

E4 | Primary, Secondary | Exam Practice: Put worded numbers into figures or vice versa. | drfrostmaths.com/explorer.php?ssid=403 | https://www.youtube.com/embed/SJGN3lGo_q8 | E4 |

K4a | Primary, Secondary | Read a number up to 1000 in words. | drfrostmaths.com/explorer.php?ssid=1300 | https://www.youtube.com/embed/hVgSppOl2ck | K3 |

K4b | Primary, Secondary | Write a number up to 1000 in words. | drfrostmaths.com/explorer.php?ssid=1301 | https://www.youtube.com/embed/HdReM16hRrU | K4 |

K4c | Primary, Secondary | Read a number greater than 1000 in words. | drfrostmaths.com/explorer.php?ssid=1431 | https://www.youtube.com/embed/WZ2X8isB_Kk | K5 |

K4d | Primary, Secondary | Write a number greater than 1000 in words. | drfrostmaths.com/explorer.php?ssid=1432 | https://www.youtube.com/embed/u68x7XFGJH0 | K6 |

E5 | Primary, Secondary | Exam Practice: Add and subtract whole numbers. | drfrostmaths.com/explorer.php?ssid=376 | https://www.youtube.com/embed/RIotd3KnZ2Q | E5 |

K5a | Secondary, Primary | Add and subtract integers using number bonds. | drfrostmaths.com/explorer.php?ssid=754 | K7 | |

K5b | Secondary, Primary | Add integers with a written method. | drfrostmaths.com/explorer.php?ssid=755 | https://www.youtube.com/embed/dcCGLSW1jl8 | K8 |

K5c | Primary, Secondary | Subtract integers with a written method. | drfrostmaths.com/explorer.php?ssid=756 | https://www.youtube.com/embed/LBTpkrjP8WM | K9 |

K5d | Primary, Secondary | Subtract integers with a written method with borrowing. | drfrostmaths.com/explorer.php?ssid=757 | https://www.youtube.com/embed/AguzNffgyBA | K10 |

K5e | Primary, Secondary | Add integers with a written method, up to 5-digit. | drfrostmaths.com/explorer.php?ssid=1612 | ||

K5f | Secondary, Primary | Subtract integers with a written method, up to 5-digit. | drfrostmaths.com/explorer.php?ssid=1613 | ||

K5g | Secondary, Primary | Add and subtract numbers mentally, up to 3 digits. | drfrostmaths.com/explorer.php?ssid=1634 | ||

E6 | Primary | Exam Practice: Solve one step addition and subtraction problems by using pictorial representations and arrays. | drfrostmaths.com/explorer.php?ssid=552 | E6 | |

E7 | Secondary, Primary | Exam Practice: Multiply numbers up to 3 digit by 3 digit. | drfrostmaths.com/explorer.php?ssid=328 | https://www.youtube.com/embed/tz1Ey-I28eQ | E7 |

K7a | Secondary, Primary | Multiply any integer by a single-digit integer. | drfrostmaths.com/explorer.php?ssid=622 | https://www.youtube.com/embed/LAiBy51LT34 | K12 |

K7b | Primary, Secondary | Multiply any integer by a 2-digit integer. | drfrostmaths.com/explorer.php?ssid=1383 | K13 | |

K7c | Primary, Secondary | Multiply a 2-digit by a 2-digit integer. | drfrostmaths.com/explorer.php?ssid=1488 | https://www.youtube.com/embed/w_vsu6zEhkk | K706 |

K7d | Primary, Secondary | Multiply any integer by a 3-digit integer. | drfrostmaths.com/explorer.php?ssid=623 | https://www.youtube.com/embed/aI5nee12i-g | K14 |

E8 | Primary | Exam Practice: Solve one step multiplication and division problems by using pictorial representations and arrays. | drfrostmaths.com/explorer.php?ssid=553 | E8 | |

K8a | Primary | Solve one step division problems using part-whole models. | drfrostmaths.com/explorer.php?ssid=1636 | ||

E9 | Secondary, Primary | Exam Practice: Divide numbers. | drfrostmaths.com/explorer.php?ssid=329 | https://www.youtube.com/embed/qre2IGmKKAo | E9 |

K9a | Secondary, Primary | Divide any integer by a single-digit integer. | drfrostmaths.com/explorer.php?ssid=624 | https://www.youtube.com/embed/S3oF6N4r1jc | K16 |

K9b | Primary, Secondary | Divide any integer by a single digit integer with remainders as whole numbers | drfrostmaths.com/explorer.php?ssid=1639 | ||

K9c | Secondary, Primary | Divide any integer by a single digit integer with remainders as fractions | drfrostmaths.com/explorer.php?ssid=1643 | ||

K9d | Primary, Secondary | Divide any integer by a single digit integer with remainders as decimals | drfrostmaths.com/explorer.php?ssid=1641 | ||

K9e | Primary, Secondary | Divide any integer by a double-digit integer. | drfrostmaths.com/explorer.php?ssid=625 | https://www.youtube.com/embed/2-udnEJkcHM | K17 |

K9f | Secondary, Primary | Divide any integer by a double digit integer with remainders as whole numbers | drfrostmaths.com/explorer.php?ssid=1644 | ||

K9g | Primary, Secondary | Divide any integer by a double digit integer with remainders as a fraction | drfrostmaths.com/explorer.php?ssid=1645 | ||

K9h | Primary, Secondary | Divide any integer by a double digit integer with remainders as decimals | drfrostmaths.com/explorer.php?ssid=1646 | ||

K9i | Primary, Secondary | Interpret remainders in context | drfrostmaths.com/explorer.php?ssid=1682 | ||

E10 | Primary | Exam Practice: Understand commutativity of arithmetic operations. | drfrostmaths.com/explorer.php?ssid=550 | E10 | |

K10a | Primary | Add or subtract three numbers efficiently using commutativity. | drfrostmaths.com/explorer.php?ssid=2059 | ||

K10b | Primary | Multiply three numbers efficiently using commutativity. | drfrostmaths.com/explorer.php?ssid=2058 | ||

E11 | Primary | Exam Practice: Solve missing number problems by doing the inverse. | drfrostmaths.com/explorer.php?ssid=554 | E11 | |

K11a | Primary | Fact Families; addition and subtraction. | drfrostmaths.com/explorer.php?ssid=1721 | ||

K11b | Primary | Fact Families; multiplication and division. | drfrostmaths.com/explorer.php?ssid=1723 | ||

E12 | Primary | Exam Practice: Using number facts to solve connected calculations. | drfrostmaths.com/explorer.php?ssid=551 | E12 | |

K12a | Primary | Work out an addition or subtraction calculation using a given fact. | drfrostmaths.com/explorer.php?ssid=1691 | ||

K12b | Primary | Work out a multiplication or division using a given fact. | drfrostmaths.com/explorer.php?ssid=1718 | ||

K12c | Primary | Work out a calculation using a given fact involving integers. | drfrostmaths.com/explorer.php?ssid=1429 | K26 | |

E13 | Secondary, Primary | Exam Practice: Solve worded problems involving a mixture of addition, subtraction, multiplication and division. | drfrostmaths.com/explorer.php?ssid=371 | E13 | |

K13a | Primary, Secondary | Solve an arithmetic worded problem involving addition or subraction. | drfrostmaths.com/explorer.php?ssid=1419 | K24 | |

K13b | Primary, Secondary | Solve an arithmetic worded problem involving multiplication or division. | drfrostmaths.com/explorer.php?ssid=1440 | K25 | |

E14 | Primary, Secondary | Exam Practice: Solve multiplication, addition and subtraction problems involving missing digits. | drfrostmaths.com/explorer.php?ssid=330 | E14 | |

K14a | Secondary, Primary | Find missing digits in a column addition. | drfrostmaths.com/explorer.php?ssid=1640 | ||

E15 | Primary | Exam Practice: Understand even and odd numbers. | drfrostmaths.com/explorer.php?ssid=547 | E15 | |

K15a | Primary | Identify odd and even numbers. | drfrostmaths.com/explorer.php?ssid=949 | https://www.youtube.com/embed/g0RQgowIuMk | K21 |

E16 | Primary, Secondary | Exam Practice: Understand power notation and calculate simple powers, e.g. squares, cubes. | drfrostmaths.com/explorer.php?ssid=55 | https://www.youtube.com/embed/u3V9aJFkTiM | E16 |

K16a | Primary, Secondary | Calculate powers of a number. | drfrostmaths.com/explorer.php?ssid=605 | https://www.youtube.com/embed/D34oUmyuwPY | K18 |

K16b | Secondary, Primary | Identify square numbers. | drfrostmaths.com/explorer.php?ssid=947 | https://www.youtube.com/embed/yv0wZ-QCgSo | K22 |

K16c | Secondary, Primary | Identify cube numbers. | drfrostmaths.com/explorer.php?ssid=948 | https://www.youtube.com/embed/kj7ApsmRpbQ | K23 |

E17 | Primary, Secondary | Exam Practice: Calculate the nth root of a number. | drfrostmaths.com/explorer.php?ssid=60 | https://www.youtube.com/embed/uDgwcgnTtao | E17 |

K17a | Primary, Secondary | Find the square root of a number. | drfrostmaths.com/explorer.php?ssid=1164 | https://www.youtube.com/embed/31WNK25NnFI | K19 |

K17b | Primary, Secondary | Find the cube root of a number using a calculator. | drfrostmaths.com/explorer.php?ssid=1165 | https://www.youtube.com/embed/6ShneYYJ038 | K20 |

E18 | Secondary, Primary | Exam Practice: Place value and ordering of decimals. | drfrostmaths.com/explorer.php?ssid=377 | https://www.youtube.com/embed/PkIBZ60Oqjc | E18 |

K18a | Primary, Secondary | Place a decimal number on a number line. | drfrostmaths.com/explorer.php?ssid=1339 | https://www.youtube.com/embed/G1v09bpAioM | K41 |

K18b | Primary, Secondary | Write down a decimal number placed on an number line. | drfrostmaths.com/explorer.php?ssid=1340 | https://www.youtube.com/embed/G1v09bpAioM | K42 |

K18c | Primary, Secondary | Compare two decimal numbers using =, \ne, < or >. | drfrostmaths.com/explorer.php?ssid=1331 | K339 | |

K18d | Secondary, Primary | Order decimals. | drfrostmaths.com/explorer.php?ssid=753 | https://www.youtube.com/embed/a7Sz-zPN3og | K28 |

E19 | Secondary | Exam Practice: Multiply and divide numbers (including decimals) by powers of 10. | drfrostmaths.com/explorer.php?ssid=40 | https://www.youtube.com/embed/bWZLt3hJ_Cg | E19 |

K19a | Secondary | Know the place value of digits in decimal numbers. | drfrostmaths.com/explorer.php?ssid=758 | https://www.youtube.com/embed/oDKjiWQAkaY | K27 |

K19b | Secondary | Multiply decimals by positive powers of 10. | drfrostmaths.com/explorer.php?ssid=614 | https://www.youtube.com/embed/XfXQ246BRoU | K29 |

K19c | Secondary | Divide decimals by positive powers of 10. | drfrostmaths.com/explorer.php?ssid=615 | https://www.youtube.com/embed/Bt58yQDKI7I | K30 |

K19d | Secondary | Multiply decimals by multiples of 10, 100, 1000. | drfrostmaths.com/explorer.php?ssid=1614 | ||

K19e | Secondary | Divide decimals by multiples of 10, 100, 1000. | drfrostmaths.com/explorer.php?ssid=1615 | ||

K19f | Secondary | Multiply decimals by negative powers of 10. | drfrostmaths.com/explorer.php?ssid=618 | https://www.youtube.com/embed/3977zwOIqPM | K37 |

K19g | Secondary | Divide decimals by negative powers of 10. | drfrostmaths.com/explorer.php?ssid=619 | https://www.youtube.com/embed/GZZStSfeY7s | K38 |

E20 | Primary, Secondary | Exam Practice: Add or subtract decimal numbers. | drfrostmaths.com/explorer.php?ssid=37 | https://www.youtube.com/embed/0Xu_vUVgBu4 | E20 |

K20a | Secondary, Primary | Add two decimal numbers. | drfrostmaths.com/explorer.php?ssid=616 | https://www.youtube.com/embed/yf30WKg3R3w | K31 |

K20b | Secondary, Primary | Subtract two decimal numbers. | drfrostmaths.com/explorer.php?ssid=617 | https://www.youtube.com/embed/XDyirhwIkO0 | K32 |

E21 | Primary | Exam Practice: Multiply a decimal (up to 2dp) by an integer. | drfrostmaths.com/explorer.php?ssid=560 | E21 | |

E22 | Secondary | Exam Practice: Multiply decimal numbers. | drfrostmaths.com/explorer.php?ssid=38 | https://www.youtube.com/embed/-nIljKtJiT4 | E22 |

K22a | Secondary | Multiply decimals using mental methods. | drfrostmaths.com/explorer.php?ssid=1497 | K708 | |

K22b | Secondary | Multiply a decimal by an integer. | drfrostmaths.com/explorer.php?ssid=1196 | https://www.youtube.com/embed/k6DxDIgBg0E | K33 |

K22c | Secondary | Multiply a decimal by a decimal. | drfrostmaths.com/explorer.php?ssid=1197 | https://www.youtube.com/embed/8Ww3lJDytAc | K34 |

K22d | Secondary | Work out a calculation using a given fact involving decimals. | drfrostmaths.com/explorer.php?ssid=1365 | https://www.youtube.com/embed/S8IvAcW9XU0 | K39 |

E23 | Primary | Exam Practice: Divide a decimal (up to 2dp) by an integer. | drfrostmaths.com/explorer.php?ssid=561 | E23 | |

E24 | Secondary | Exam Practice: Divide decimal numbers. | drfrostmaths.com/explorer.php?ssid=39 | https://www.youtube.com/embed/AYjkIDSf640 | E24 |

K24a | Secondary | Divide a decimal by a single-digit integer. | drfrostmaths.com/explorer.php?ssid=1337 | https://www.youtube.com/embed/oTCTnOVs4vY | K35 |

K24b | Secondary | Divide a decimal by a decimal. | drfrostmaths.com/explorer.php?ssid=1348 | https://www.youtube.com/embed/W_U9Pu2KD0A | K36 |

E25 | Primary | Exam Practice: Make up monetary values with coins. | drfrostmaths.com/explorer.php?ssid=549 | E25 | |

E26 | Secondary | Exam Practice: Read values off a scale. | drfrostmaths.com/explorer.php?ssid=412 | https://www.youtube.com/embed/c7TyxqdI2aQ | E26 |

K26a | Secondary | Read positive values off a scale. | drfrostmaths.com/explorer.php?ssid=991 | https://www.youtube.com/embed/1dNiD3Sv_Nc | K40 |

E27 | Secondary | Exam Practice: Measure lengths. | drfrostmaths.com/explorer.php?ssid=538 | E27 | |

K27a | Secondary | Measure a line correct to the nearest millimetre. | drfrostmaths.com/explorer.php?ssid=1405 | K43 | |

K27b | Secondary | Draw a line correct to the nearest millimetre. | drfrostmaths.com/explorer.php?ssid=1417 | K44 | |

E28 | Primary, Secondary | Exam Practice: Find what fraction of a shape is shaded. | drfrostmaths.com/explorer.php?ssid=128 | E28 | |

K28a | Secondary, Primary | Find what fraction of a shape is shaded. | drfrostmaths.com/explorer.php?ssid=1333 | https://www.youtube.com/embed/UCP7i4BVFoA | K45 |

E29 | Primary, Secondary | Exam Practice: Understand equivalent fractions. | drfrostmaths.com/explorer.php?ssid=22 | https://www.youtube.com/embed/VZLAUzMqFiA | E29 |

K29a | Primary, Secondary | Write a proportion as a fraction in its simplest form. | drfrostmaths.com/explorer.php?ssid=954 | https://www.youtube.com/embed/003ZdHgJ54k | K48 |

K29b | Primary, Secondary | Find equivalent fractions. | drfrostmaths.com/explorer.php?ssid=963 | https://www.youtube.com/embed/ibZoRXljTq8 | K46 |

K29c | Secondary, Primary | Write a fraction in its simplest form. | drfrostmaths.com/explorer.php?ssid=596 | https://www.youtube.com/embed/5HKxLyrdc6c | K47 |

K29d | Secondary, Primary | Compare two fractions. | drfrostmaths.com/explorer.php?ssid=966 | https://www.youtube.com/embed/PL7XoaqbylU | K49 |

K29e | Secondary, Primary | Find what fraction a number is of another. | drfrostmaths.com/explorer.php?ssid=1467 | K704 | |

E30 | Primary | Exam Practice: Divide fractions by integers. | drfrostmaths.com/explorer.php?ssid=562 | E30 | |

K30a | Primary | Divide a fraction by an integer. | drfrostmaths.com/explorer.php?ssid=1368 | https://www.youtube.com/embed/_oqPYMWrREY | K176 |

E31 | Secondary, Primary | Exam Practice: Convert between non-recurring decimals, fractions and percentages. | drfrostmaths.com/explorer.php?ssid=34 | https://www.youtube.com/embed/-qa1yzGSP2Q | E31 |

K31a | Primary, Secondary | Convert a fraction to a non-recurring decimal. | drfrostmaths.com/explorer.php?ssid=639 | https://www.youtube.com/embed/WgaKzY6cslY | K53 |

K31b | Primary, Secondary | Convert a fraction to a percentage. | drfrostmaths.com/explorer.php?ssid=640 | https://www.youtube.com/embed/gQyuE9tERgk | K51 |

K31c | Primary, Secondary | Convert a non-recurring decimal to a fraction. | drfrostmaths.com/explorer.php?ssid=641 | https://www.youtube.com/embed/0NaL-F-h86U | K54 |

K31d | Secondary, Primary | Convert a non-recurring decimal to a percentage. | drfrostmaths.com/explorer.php?ssid=642 | https://www.youtube.com/embed/BdNm1tn9rvk | K55 |

K31e | Secondary, Primary | Convert a percentage to a decimal. | drfrostmaths.com/explorer.php?ssid=643 | https://www.youtube.com/embed/wMMmm9Mdznw | K56 |

K31f | Primary, Secondary | Convert a percentage to a fraction. | drfrostmaths.com/explorer.php?ssid=644 | https://www.youtube.com/embed/UQU442ZJh9I | K57 |

K31g | Primary, Secondary | Find what percentage of a shape is shaded. | drfrostmaths.com/explorer.php?ssid=1407 | https://www.youtube.com/embed/E-0tUEdo_6U | K50 |

K31h | Primary, Secondary | Find what percentage of a shape is shaded for more general grid sizes. | drfrostmaths.com/explorer.php?ssid=1343 | K52 | |

E32 | Secondary, Primary | Exam Practice: Order fractions, possibly with decimals. | drfrostmaths.com/explorer.php?ssid=378 | E32 | |

K32a | Primary, Secondary | Compare two fractions using =, \ne, < or >. | drfrostmaths.com/explorer.php?ssid=1332 | K340 | |

K32b | Primary, Secondary | Order a mixture of fractions, decimals and percentages. | drfrostmaths.com/explorer.php?ssid=1372 | https://www.youtube.com/embed/yXziTEWRRCw | K58 |

E33 | Primary, Secondary | Exam Practice: Find factors of a number. | drfrostmaths.com/explorer.php?ssid=27 | https://www.youtube.com/embed/vnetli2ToaE | E33 |

K33a | Secondary, Primary | Find factors of a number. | drfrostmaths.com/explorer.php?ssid=603 | https://www.youtube.com/embed/AoqVb96vCZM | K59 |

K33b | Primary, Secondary | Find factor pairs of a number | drfrostmaths.com/explorer.php?ssid=1665 | ||

K33c | Secondary, Primary | Find multiples of a number. | drfrostmaths.com/explorer.php?ssid=604 | https://www.youtube.com/embed/WEaKRZ4dkSI | K60 |

K33d | Primary, Secondary | REMOVED Determine which numbers divide into a given number. | drfrostmaths.com/explorer.php?ssid=1336 | https://www.youtube.com/embed/N6vj6TkYpGw | K222 |

E34 | Primary, Secondary | Exam Practice: Identify common factors of two numbers. | drfrostmaths.com/explorer.php?ssid=559 | E34 | |

E35 | Primary, Secondary | Exam Practice: Find multiples of a number. | drfrostmaths.com/explorer.php?ssid=574 | E35 | |

K35a | Primary, Secondary | Identify multiples of a number from 1 to 12. | drfrostmaths.com/explorer.php?ssid=1684 | ||

K35b | Secondary, Primary | Multiples of numbers greater than 12 | drfrostmaths.com/explorer.php?ssid=1702 | ||

E36 | Primary, Secondary | Exam Practice: Identify common multiples of two numbers. | drfrostmaths.com/explorer.php?ssid=558 | E36 | |

K36a | Primary, Secondary | Identify common multiples of 2 numbers. | drfrostmaths.com/explorer.php?ssid=1674 | ||

E37 | Primary, Secondary | Exam Practice: Identify prime numbers. | drfrostmaths.com/explorer.php?ssid=29 | https://www.youtube.com/embed/kiJPCy3kqq4 | E37 |

K37a | Primary, Secondary | Identify prime numbers. | drfrostmaths.com/explorer.php?ssid=1364 | https://www.youtube.com/embed/9_L9aKzenrE | K61 |

E38 | Primary, Secondary | Exam Practice: Round a number to the nearest whole, ten, hundred or thousand. | drfrostmaths.com/explorer.php?ssid=41 | https://www.youtube.com/embed/aqyat9LEjWY | E38 |

K38a | Secondary, Primary | Round a number to the nearest whole, ten, hundred or thousand. | drfrostmaths.com/explorer.php?ssid=628 | https://www.youtube.com/embed/z2vs-xx0zCg | K62 |

E39 | Secondary, Primary | Exam Practice: Round a number to a given number of decimal places. | drfrostmaths.com/explorer.php?ssid=42 | https://www.youtube.com/embed/Ti6Ixehp4dc | E39 |

K39a | Secondary, Primary | Round a number to a given number of decimal places. | drfrostmaths.com/explorer.php?ssid=629 | https://www.youtube.com/embed/LSGPDaYDffE | K63 |

E40 | Secondary | Exam Practice: Find the difference between two times or the end time after a time has elapsed. | drfrostmaths.com/explorer.php?ssid=145 | E40 | |

K40a | Secondary | Find the difference between two times. | drfrostmaths.com/explorer.php?ssid=1274 | https://www.youtube.com/embed/n6aLbsLWbjw | K70 |

K40b | Secondary | Find the new time after a period of time has elapsed. | drfrostmaths.com/explorer.php?ssid=1434 | K71 | |

E41 | Secondary, Primary | Exam Practice: Interpret timetables (e.g. for buses and trains). | drfrostmaths.com/explorer.php?ssid=146 | E41 | |

K41a | Primary, Secondary | Find a time using a timetable. | drfrostmaths.com/explorer.php?ssid=1430 | K86 | |

K41b | Primary, Secondary | Make calculations from bus/train timetables. | drfrostmaths.com/explorer.php?ssid=1453 | K87 | |

K41c | Primary, Secondary | Read and interpret a distance chart. | drfrostmaths.com/explorer.php?ssid=1460 | K88 | |

K41d | Primary, Secondary | Make calculations from a distance chart. | drfrostmaths.com/explorer.php?ssid=1732 | ||

E42 | Primary, Secondary | Exam Practice: Make calculations involving dates and days of the week. | drfrostmaths.com/explorer.php?ssid=380 | E42 | |

K42a | Secondary, Primary | Convert from hours to minutes. | drfrostmaths.com/explorer.php?ssid=1270 | https://www.youtube.com/embed/cwfHn5btsk8 | K64 |

K42b | Primary, Secondary | Convert from minutes to seconds. | drfrostmaths.com/explorer.php?ssid=1271 | https://www.youtube.com/embed/tp5J1XfTSTM | K65 |

K42c | Primary, Secondary | Convert from years to months. | drfrostmaths.com/explorer.php?ssid=1272 | https://www.youtube.com/embed/kVsbAHh3TdY | K66 |

K42d | Primary, Secondary | Convert from weeks to days. | drfrostmaths.com/explorer.php?ssid=1273 | https://www.youtube.com/embed/K-ne4CFEGq8 | K67 |

K42e | Primary, Secondary | Convert from minutes to hours. | drfrostmaths.com/explorer.php?ssid=1581 | K758 | |

K42f | Secondary, Primary | Convert from seconds to minutes. | drfrostmaths.com/explorer.php?ssid=1582 | K759 | |

E43 | Primary, Secondary | Exam Practice: Tell the time from an analogue clock face. | drfrostmaths.com/explorer.php?ssid=420 | E43 | |

K43a | Primary, Secondary | Tell the time from an analogue clock. | drfrostmaths.com/explorer.php?ssid=1269 | https://www.youtube.com/embed/0aMOl_75FFc | K68 |

E44 | Primary, Secondary | Exam Practice: Convert between 12-hour and 24-hours times and interpret phrases like "quarter to" and "half past". | drfrostmaths.com/explorer.php?ssid=421 | https://www.youtube.com/embed/Uz8_xKutjW8 | E44 |

K44a | Primary, Secondary | Convert from the 12-hour clock to the 24-hour clock. | drfrostmaths.com/explorer.php?ssid=1275 | https://www.youtube.com/embed/mnreww2pgNg | K69 |

E45 | Secondary, Primary | Exam Practice: Understand negative numbers on a number line, and order a mixture of negative and positive numbers. | drfrostmaths.com/explorer.php?ssid=406 | https://www.youtube.com/embed/NKidNS1AurE | E45 |

K45a | Secondary, Primary | Compare two integers that are possibly negative. | drfrostmaths.com/explorer.php?ssid=1395 | K338 | |

K45b | Secondary, Primary | Order a mixture of positive and negative numbers. | drfrostmaths.com/explorer.php?ssid=902 | https://www.youtube.com/embed/RR0fROLPCQ4 | K186 |

K45c | Secondary, Primary | Read negative values off a scale. | drfrostmaths.com/explorer.php?ssid=1385 | https://www.youtube.com/embed/zwhOTX_pXBY | K185 |

E46 | Secondary, Primary | Exam Practice: Simple use of negative numbers, e.g. finding differences and increase or decrease by an amount. | drfrostmaths.com/explorer.php?ssid=570 | E46 | |

K46a | Secondary, Primary | Find the difference between two temperatures. | drfrostmaths.com/explorer.php?ssid=1392 | https://www.youtube.com/embed/78wIcX3JbQg | K228 |

K46b | Primary, Secondary | Determine a new temperature after a change. | drfrostmaths.com/explorer.php?ssid=1393 | https://www.youtube.com/embed/ZxFxP9gCcQg | K229 |

K46c | Secondary, Primary | Add a positive number to any negative number. | drfrostmaths.com/explorer.php?ssid=1391 | https://www.youtube.com/embed/2DjCOmkisII | K187 |

K46d | Secondary, Primary | Subtract a positive number from a negative number. | drfrostmaths.com/explorer.php?ssid=699 | https://www.youtube.com/embed/NLwnmlIQH8g | K188 |

E47 | Secondary, Primary | Exam Practice: Appreciate multiplicative scaling in a variety of contexts, including ingredients. | drfrostmaths.com/explorer.php?ssid=68 | https://www.youtube.com/embed/Drx3i7fwU90 | E47 |

K47a | Primary, Secondary | Use multiplicative reasoning in a recipe. | drfrostmaths.com/explorer.php?ssid=1314 | https://www.youtube.com/embed/13mWOpvcRwk | K231 |

K47b | Secondary, Primary | Solve direct proportion problems using a scaling method. | drfrostmaths.com/explorer.php?ssid=1298 | https://www.youtube.com/embed/eBSfyU64VtY | K230 |

K47c | Primary, Secondary | Use proportion to solve best value problems. | drfrostmaths.com/explorer.php?ssid=1315 | https://www.youtube.com/embed/kSDLWDeY1qg | K233 |

E48 | Primary, Secondary | Exam Practice: Pictograms | drfrostmaths.com/explorer.php?ssid=409 | https://www.youtube.com/embed/DL80AEcRgL0 | E48 |

K48a | Primary, Secondary | Interpret a pictogram. | drfrostmaths.com/explorer.php?ssid=990 | https://www.youtube.com/embed/iqRNSCfZIzs | K81 |

E49 | Secondary, Primary | Exam Practice: Bar Charts | drfrostmaths.com/explorer.php?ssid=336 | E49 | |

K49a | Primary, Secondary | Draw a bar chart. | drfrostmaths.com/explorer.php?ssid=835 | https://www.youtube.com/embed/uXvwfpnRDrA | K82 |

K49b | Primary, Secondary | Interpret a bar chart. | drfrostmaths.com/explorer.php?ssid=952 | https://www.youtube.com/embed/x1u2bXAA0a4 | K83 |

E50 | Secondary | Exam Practice: Two-way tables (and frequency trees). | drfrostmaths.com/explorer.php?ssid=413 | https://www.youtube.com/embed/7QvcSidIuhk | E50 |

K50a | Secondary | Draw a two-way table. | drfrostmaths.com/explorer.php?ssid=965 | https://www.youtube.com/embed/CdPxbM5FkIU | K84 |

K50b | Secondary | Draw a frequency tree. | drfrostmaths.com/explorer.php?ssid=1012 | https://www.youtube.com/embed/PcCFVFzga04 | K85 |

E51 | Primary | Exam Practice: Interpret and present data in time graphs (excluding speed-time and distance-time graphs). | drfrostmaths.com/explorer.php?ssid=557 | E51 | |

K51a | Primary | TODO Interpret a time series graph. | drfrostmaths.com/explorer.php?ssid=1457 | K89 | |

K51b | Primary | TODO Draw a time series graph. | drfrostmaths.com/explorer.php?ssid=1458 | K90 | |

E52 | Secondary | Exam Practice: Use a conversion graph. | drfrostmaths.com/explorer.php?ssid=414 | E52 | |

K52a | Secondary | Draw a conversion graph. | drfrostmaths.com/explorer.php?ssid=1463 | K91 | |

K52b | Secondary | Use a conversion graph. | drfrostmaths.com/explorer.php?ssid=1464 | K92 | |

E53 | Secondary | Exam Practice: Describe probabilities using either worded terms such as "Likely" or placed on a number line between 0 and 1. | drfrostmaths.com/explorer.php?ssid=411 | https://www.youtube.com/embed/noJMMJXSdb0 | E53 |

K53a | Secondary | Describe probabilities using worded terms. | drfrostmaths.com/explorer.php?ssid=997 | https://www.youtube.com/embed/E_qUD_BnY7M | K72 |

K53b | Secondary | Use a probability scale from 0 to 1. | drfrostmaths.com/explorer.php?ssid=998 | K73 | |

E54 | Secondary | Exam Practice: List a sample space for one event or combined events. | drfrostmaths.com/explorer.php?ssid=348 | https://www.youtube.com/embed/b9CGpXA6_8U | E54 |

K54a | Secondary | List combined outcomes using a sample space. | drfrostmaths.com/explorer.php?ssid=961 | https://www.youtube.com/embed/ycZFfocWZhs | K74 |

E55 | Secondary | Exam Practice: Determine probabilities by considering the matching number of outcomes over the total number of outcomes. | drfrostmaths.com/explorer.php?ssid=350 | https://www.youtube.com/embed/hhDVWfZpyps | E55 |

K55a | Secondary | Calculate probabilities. | drfrostmaths.com/explorer.php?ssid=960 | https://www.youtube.com/embed/wQmT7RCd6Gk | K75 |

K55b | Secondary | Find the probability of an event not happening. | drfrostmaths.com/explorer.php?ssid=1414 | https://www.youtube.com/embed/zDs_iDULoNU | K79 |

K55c | Secondary | Determine a probability from a two-way table. | drfrostmaths.com/explorer.php?ssid=1435 | K76 | |

K55d | Secondary | Determine a probability from a given sample space. | drfrostmaths.com/explorer.php?ssid=1466 | https://www.youtube.com/embed/4YraYzuPf7A | K77 |

E56 | A Level, Secondary | Exam Practice: Probability of mutually exclusive events. | drfrostmaths.com/explorer.php?ssid=384 | https://www.youtube.com/embed/HMH6a2iYzkY | E56 |

K56a | A Level, Secondary | Find probabilities of mutually exclusive events in a table. | drfrostmaths.com/explorer.php?ssid=962 | https://www.youtube.com/embed/HkIYqf502QU | K78 |

K56b | A Level, Secondary | Find probabilities of mutually exclusive events from given probabilities. | drfrostmaths.com/explorer.php?ssid=1233 | K845 | |

K56c | A Level, Secondary | Find probabilities of mutually exclusive events from given probabilities using set notation. | drfrostmaths.com/explorer.php?ssid=1776 | ||

E57 | Secondary, Primary | Exam Practice: Read values from a table of data. | drfrostmaths.com/explorer.php?ssid=408 | E57 | |

K57a | Secondary, Primary | Complete a bank statement. | drfrostmaths.com/explorer.php?ssid=1537 | K733 | |

E58 | Primary, Secondary | Exam Practice: Calculate the mean as an average. | drfrostmaths.com/explorer.php?ssid=567 | E58 | |

K58a | Primary, Secondary | Find the mean of listed data. | drfrostmaths.com/explorer.php?ssid=666 | https://www.youtube.com/embed/csbfXQk4Jrk | K236 |

E59 | Secondary, Primary | Exam Practice: Understand the definition of different 2D shapes and their properties. | drfrostmaths.com/explorer.php?ssid=111 | https://www.youtube.com/embed/S1D65Nxm8d8 | E59 |

K59a | Secondary, Primary | Know the names of polygons. | drfrostmaths.com/explorer.php?ssid=992 | https://www.youtube.com/embed/PKPLJA3SlG0 | K93 |

K59b | Secondary, Primary | Understand the definition of different 2D shapes and their properties. | drfrostmaths.com/explorer.php?ssid=993 | https://www.youtube.com/embed/zveG9syhgpA | K96 |

K59c | Primary, Secondary | Know the names of different types of triangle. | drfrostmaths.com/explorer.php?ssid=1362 | https://www.youtube.com/embed/6pq7wwEcNqY | K94 |

K59d | Secondary, Primary | Know the names of quadrilaterals. | drfrostmaths.com/explorer.php?ssid=1433 | https://www.youtube.com/embed/DX3tpJ-9nyI | K95 |

E60 | Primary, Secondary | Exam Practice: Identify lines of symmetry in 2D shapes. | drfrostmaths.com/explorer.php?ssid=142 | https://www.youtube.com/embed/nTamcBQWg94 | E60 |

K60a | Secondary, Primary | Identify lines of symmetry in 2D shapes. | drfrostmaths.com/explorer.php?ssid=995 | https://www.youtube.com/embed/m0aRF0ovXHY | K97 |

E61 | Secondary | Exam Practice: Identify the order of rotational symmetry. | drfrostmaths.com/explorer.php?ssid=144 | https://www.youtube.com/embed/uoLkjhC-InU | E61 |

K61a | Secondary | Identify the order of rotational symmetry. | drfrostmaths.com/explorer.php?ssid=996 | https://www.youtube.com/embed/uoLkjhC-InU | K98 |

E62 | Secondary, Primary | Exam Practice: Convert between metric units of measure. | drfrostmaths.com/explorer.php?ssid=153 | E62 | |

K62a | Primary, Secondary | Convert metric units of length from smaller units to bigger units. | drfrostmaths.com/explorer.php?ssid=708 | https://www.youtube.com/embed/6C948JCQguc | K127 |

K62b | Primary, Secondary | Convert metric units of length from bigger units to smaller units. | drfrostmaths.com/explorer.php?ssid=709 | https://www.youtube.com/embed/ccEETbyIpS4 | K128 |

K62c | Primary, Secondary | Convert units of mass by multiplying. | drfrostmaths.com/explorer.php?ssid=1354 | https://www.youtube.com/embed/T1qnGgqxJ5o | K130 |

K62d | Primary, Secondary | Convert units of mass by dividing. | drfrostmaths.com/explorer.php?ssid=1355 | https://www.youtube.com/embed/FcRa8Q0o1tU | K131 |

K62e | Secondary, Primary | Convert units of capacity by multiplying. | drfrostmaths.com/explorer.php?ssid=1356 | https://www.youtube.com/embed/DkE_yXtngUM | K132 |

K62f | Primary, Secondary | Convert units of capacity by dividing. | drfrostmaths.com/explorer.php?ssid=1357 | https://www.youtube.com/embed/9Hh9zVNOf1Y | K133 |

K62g | Primary, Secondary | Calculate with metric measures of length. | drfrostmaths.com/explorer.php?ssid=1373 | https://www.youtube.com/embed/IlbFK1Er7yc | K129 |

E63 | Primary, Secondary | Exam Practice: Understand angle as a 'turn' and measure or estimate angles. | drfrostmaths.com/explorer.php?ssid=580 | E63 | |

K63a | Secondary, Primary | Compare and order angles up to two right angles by size. | drfrostmaths.com/explorer.php?ssid=1279 | K100 | |

K63b | Primary, Secondary | Drawing an angle with a protractor. | drfrostmaths.com/explorer.php?ssid=1118 | K106 | |

K63c | Primary, Secondary | Estimate the size of an angle. | drfrostmaths.com/explorer.php?ssid=1285 | https://www.youtube.com/embed/WC2UzzL_vCI | K101 |

K63d | Primary, Secondary | Measuring a non-reflex angle with a protractor. | drfrostmaths.com/explorer.php?ssid=1117 | K105 | |

E64 | Primary, Secondary | Exam Practice: Identify the type of different angles. | drfrostmaths.com/explorer.php?ssid=405 | https://www.youtube.com/embed/xGYRXdbbb-U | E64 |

K64a | Primary, Secondary | Identify the type of different angles. | drfrostmaths.com/explorer.php?ssid=953 | https://www.youtube.com/embed/O8WifnkYklg | K99 |

E65 | Primary | Exam Practice: Identify vertical, horizontal, parallel and perpendicular lines. | drfrostmaths.com/explorer.php?ssid=555 | E65 | |

K65a | Primary | Identify pairs of perpendicular and parallel lines. | drfrostmaths.com/explorer.php?ssid=1276 | https://www.youtube.com/embed/WvY39WpbiSY | K303 |

E66 | Secondary, Primary | Exam Practice: Know that the sum of the angles on a straight line is 180 degrees and angles around a point 360 degrees. | drfrostmaths.com/explorer.php?ssid=119 | https://www.youtube.com/embed/xngyacmFs5k | E66 |

K66a | Secondary, Primary | Angles on a line. | drfrostmaths.com/explorer.php?ssid=656 | https://www.youtube.com/embed/O_6MpMdtPZY | K103 |

K66b | Secondary, Primary | Angles about a point. | drfrostmaths.com/explorer.php?ssid=657 | https://www.youtube.com/embed/Hx-XCxwCxd0 | K104 |

E67 | Secondary, Primary | Exam Practice: Recognise vertically opposite angles. | drfrostmaths.com/explorer.php?ssid=565 | E67 | |

K67a | Primary, Secondary | Vertically opposite angles. | drfrostmaths.com/explorer.php?ssid=637 | https://www.youtube.com/embed/H2B9ZzissmM | K307 |

E68 | Primary, Secondary | Exam Practice: Know that the sum of the angles in a triangle is 180 degrees. | drfrostmaths.com/explorer.php?ssid=118 | https://www.youtube.com/embed/7Q3cDMkz9HE | E68 |

K68a | Primary, Secondary | Angles in a triangle. | drfrostmaths.com/explorer.php?ssid=655 | https://www.youtube.com/embed/LJ2u41WO15g | K107 |

K68b | Primary, Secondary | Angles in a triangle where one side is extended. | drfrostmaths.com/explorer.php?ssid=1262 | https://www.youtube.com/embed/vf3kwP8QmQY | K108 |

E69 | Secondary, Primary | Exam Practice: Determine the perimeter of a 2D shape by adding lengths or counting squares. | drfrostmaths.com/explorer.php?ssid=572 | E69 | |

K69a | Primary, Secondary | Find the perimeter of a 2D shape by adding lengths. | drfrostmaths.com/explorer.php?ssid=763 | https://www.youtube.com/embed/HLSd4bxCfFA | K110 |

K69b | Primary, Secondary | Find the perimeter of a rectangle. | drfrostmaths.com/explorer.php?ssid=1421 | https://www.youtube.com/embed/Y5b7xyJ68R0 | K111 |

K69c | Primary, Secondary | Find a side of a rectangle given its perimeter. | drfrostmaths.com/explorer.php?ssid=1341 | https://www.youtube.com/embed/GkED2EzrlFc | K112 |

E70 | Secondary, Primary | Exam Practice: Determine the area of a rectangle by counting squares. | drfrostmaths.com/explorer.php?ssid=571 | E70 | |

K70a | Secondary, Primary | Find the area of rectilinear shapes by counting squares. | drfrostmaths.com/explorer.php?ssid=1278 | https://www.youtube.com/embed/CJjI5vqvYgA | K113 |

E71 | Secondary, Primary | Exam Practice: Determine the area of a rectangle by using the formula. | drfrostmaths.com/explorer.php?ssid=573 | E71 | |

K71a | Secondary, Primary | Find the area of a rectangle. | drfrostmaths.com/explorer.php?ssid=664 | https://www.youtube.com/embed/woMfkfjdM48 | K114 |

K71b | Primary, Secondary | Find a side of a rectangle given its area. | drfrostmaths.com/explorer.php?ssid=665 | https://www.youtube.com/embed/ZBAGUx4ZHU0 | K115 |

E72 | Primary, Secondary | Exam Practice: Find the perimeter and area of more complex rectilinear shapes. | drfrostmaths.com/explorer.php?ssid=123 | https://www.youtube.com/embed/rvFKw47fxvk | E72 |

K72a | Primary, Secondary | Determine the perimeter of a shape by counting unit lengths. | drfrostmaths.com/explorer.php?ssid=1452 | K109 | |

K72b | Primary, Secondary | Find the perimeter of a composite rectilinear shape. | drfrostmaths.com/explorer.php?ssid=1310 | https://www.youtube.com/embed/JKxm0-UaK3c | K116 |

K72c | Secondary, Primary | Find the perimeter of shapes made of several congruent rectangles. | drfrostmaths.com/explorer.php?ssid=1286 | K117 | |

E73 | Secondary | Exam Practice: Find the area of a triangle. | drfrostmaths.com/explorer.php?ssid=124 | https://www.youtube.com/embed/DYZfxwCXMgA | E73 |

K73a | Secondary | Find the area of a triangle. | drfrostmaths.com/explorer.php?ssid=670 | https://www.youtube.com/embed/5LfNOCcQdZ8 | K119 |

K73b | Secondary | Find the base or height of a triangle given its area. | drfrostmaths.com/explorer.php?ssid=671 | https://www.youtube.com/embed/42cZch-B9kw | K120 |

K73c | Secondary | Find the area of a triangle given the base, the height and another length. | drfrostmaths.com/explorer.php?ssid=1252 | K121 | |

K73d | Secondary | Determine the area of a kite involving right-angles. | drfrostmaths.com/explorer.php?ssid=2023 | ||

K73e | Secondary | Determine the side length or perimeter of a rectangle with the same area as a triangle. | drfrostmaths.com/explorer.php?ssid=2055 | ||

K73f | Secondary | Determine the base or height of a triangle with the same area as a rectangle. | drfrostmaths.com/explorer.php?ssid=2056 | ||

K73g | Secondary | Determine the side lengths of rectangles and triangles with related areas. | drfrostmaths.com/explorer.php?ssid=2012 | ||

K73h | Secondary | Determine the area of a composite shape involving a triangle and a rectangle. | drfrostmaths.com/explorer.php?ssid=2041 | ||

K73i | Secondary | Function Machine | drfrostmaths.com/explorer.php?ssid=2025 | ||

K73j | Secondary | Line Label Dev | drfrostmaths.com/explorer.php?ssid=2028 | ||

E74 | Primary, Secondary | Exam Practice: Find the area of a parallelogram. | drfrostmaths.com/explorer.php?ssid=585 | E74 | |

K74a | Primary, Secondary | Find the area of a parallelogram. | drfrostmaths.com/explorer.php?ssid=672 | https://www.youtube.com/embed/KpXQCmah_oQ | K296 |

K74b | Primary, Secondary | Find the base or height of a parallelogram given its area. | drfrostmaths.com/explorer.php?ssid=673 | https://www.youtube.com/embed/KPOSxpf2TiA | K297 |

K74c | Primary, Secondary | Find the area of a parallelogram given the base, the height and another length. | drfrostmaths.com/explorer.php?ssid=1257 | K298 | |

E75 | Secondary, Primary | Exam Practice: Identify coordinates in all four quadrants. | drfrostmaths.com/explorer.php?ssid=134 | https://www.youtube.com/embed/hTApq20qKr4 | E75 |

K75a | Secondary, Primary | Plot a point to complete a square, rectangle or parallelogram. | drfrostmaths.com/explorer.php?ssid=1936 | ||

K75b | Secondary, Primary | Determine the coordinate of a point in the first quadrant. | drfrostmaths.com/explorer.php?ssid=857 | https://www.youtube.com/embed/XOSD1kUn6aA | K122 |

K75c | Secondary, Primary | Plot a point in the first quadrant given its coordinates. | drfrostmaths.com/explorer.php?ssid=797 | https://www.youtube.com/embed/NJDDQb9MWco | K123 |

K75d | Secondary, Primary | Read a point on the positive x or y axis. | drfrostmaths.com/explorer.php?ssid=1997 | ||

K75e | Secondary, Primary | Plot a point on the positive x or y axis. | drfrostmaths.com/explorer.php?ssid=1970 | ||

K75f | Secondary, Primary | Determine the coordinate of a point in any quadrant. | drfrostmaths.com/explorer.php?ssid=856 | https://www.youtube.com/embed/lQl4ychwhAI | K124 |

K75g | Secondary, Primary | Plot a point in any quadrant given its coordinates. | drfrostmaths.com/explorer.php?ssid=845 | https://www.youtube.com/embed/nC-nfkCZeqY | K125 |

K75h | Secondary, Primary | Determine a coordinate on the x or y axis horizontal or vertical from another point. | drfrostmaths.com/explorer.php?ssid=1962 | ||

K75i | Secondary, Primary | Find the coordinates of a vertex of a rectangle, given two other points. | drfrostmaths.com/explorer.php?ssid=1969 | ||

K75j | Secondary, Primary | Find the coordinates of a vertex of a square, parallelogram or rectangle, given the 3 other coordinates. | drfrostmaths.com/explorer.php?ssid=1307 | https://www.youtube.com/embed/1qcmi4f5JL4 | K126 |

K75k | Secondary, Primary | Problem solve with coordinates involving reflections or symmetry of shapes. | drfrostmaths.com/explorer.php?ssid=2020 | ||

K75l | Secondary, Primary | Problem solve with coordinates involving repeated shapes. | drfrostmaths.com/explorer.php?ssid=2048 | ||

E76 | Primary | Exam Practice: Reflect a shape in a mirror line. | drfrostmaths.com/explorer.php?ssid=566 | E76 | |

K76a | Primary | Reflect a shape against a diagonal line drawn on the grid. | drfrostmaths.com/explorer.php?ssid=851 | https://www.youtube.com/embed/9xtnxNQ8jog | K274 |

K76b | Primary | Reflect a shape against a vertical or horizontal line drawn on the grid. | drfrostmaths.com/explorer.php?ssid=1280 | https://www.youtube.com/embed/sxI_O6pZcis | K273 |

E77 | Primary | Exam Practice: Translate a shape using directional language. | drfrostmaths.com/explorer.php?ssid=556 | E77 | |

K77a | Primary | Translate a shape using directional language. | drfrostmaths.com/explorer.php?ssid=1371 | https://www.youtube.com/embed/j9vQtIqYYpM | K279 |

E78 | Primary, Secondary | Exam Practice: Substitute into simple expressions (limited to addition, subtraction, division, multiplication). | drfrostmaths.com/explorer.php?ssid=568 | E78 | |

K78a | Secondary, Primary | Substitute with one variable (single operation). | drfrostmaths.com/explorer.php?ssid=706 | https://www.youtube.com/embed/pV8wWhLq1hU | K136 |

E79 | Secondary | Exam Practice: Substitute values into more general algebraic expressions. | drfrostmaths.com/explorer.php?ssid=103 | https://www.youtube.com/embed/Cnu4wcuGEMw | E79 |

K79a | Secondary | Substitute with one variable (single operation plus constant). | drfrostmaths.com/explorer.php?ssid=1302 | https://www.youtube.com/embed/F472MujeUl4 | K137 |

K79b | Secondary | Substitution with one variable (multiple operations). | drfrostmaths.com/explorer.php?ssid=1030 | https://www.youtube.com/embed/_3dQufRJ8Oo | K138 |

K79c | Secondary | Substitution with two variables. | drfrostmaths.com/explorer.php?ssid=1031 | https://www.youtube.com/embed/2HMz6TRh2Qg | K139 |

K79d | Secondary | Substitution with negative numbers. | drfrostmaths.com/explorer.php?ssid=1032 | https://www.youtube.com/embed/WUXkIx8R5v0 | K140 |

E80 | Secondary | Exam Practice: Collect like terms. | drfrostmaths.com/explorer.php?ssid=3 | https://www.youtube.com/embed/PC8q9cyCgjI | E80 |

K80a | Secondary | Add algebraic terms containing the same variable. | drfrostmaths.com/explorer.php?ssid=1748 | https://www.youtube.com/embed/8NdzmTWgUVs | |

K80b | Secondary | Add and subtract algebraic terms containing the same variable. | drfrostmaths.com/explorer.php?ssid=762 | https://www.youtube.com/embed/aPS8KIsLFYs | K141 |

K80c | Secondary | Collect like terms which are positive and without powers. | drfrostmaths.com/explorer.php?ssid=1361 | https://www.youtube.com/embed/HnHIX0nT3KE | K142 |

K80d | Secondary | Collect like terms without powers. | drfrostmaths.com/explorer.php?ssid=609 | https://www.youtube.com/embed/6jbxQm0kXz0 | K143 |

K80e | Secondary | Collect like terms with powers. | drfrostmaths.com/explorer.php?ssid=761 | https://www.youtube.com/embed/s32zrAyXr5o | K144 |

K80f | Secondary | Collect like terms with powers and combinations of two variables. | drfrostmaths.com/explorer.php?ssid=1722 | https://www.youtube.com/embed/fdq_Kg6aF0Q | |

E81 | Secondary | Exam Practice: Multiply single algebraic terms. | drfrostmaths.com/explorer.php?ssid=4 | https://www.youtube.com/embed/QhWFFoxCTqI | E81 |

K81a | Secondary | Multiply algebraic terms. | drfrostmaths.com/explorer.php?ssid=610 | https://www.youtube.com/embed/-raPuNM8tt4 | K148 |

K81b | Secondary | Multiply algebraic terms with powers. | drfrostmaths.com/explorer.php?ssid=611 | https://www.youtube.com/embed/PCMpIaDYWKU | K149 |

E82 | Secondary | Exam Practice: Divide single algebraic terms. | drfrostmaths.com/explorer.php?ssid=5 | https://www.youtube.com/embed/thSfyYxJJIE | E82 |

K82a | Secondary | Divide an algebraic term by an integer. | drfrostmaths.com/explorer.php?ssid=2036 | ||

K82b | Secondary | Divide an algebraic term by an algebraic term (no coefficient in the denominator). | drfrostmaths.com/explorer.php?ssid=2037 | ||

K82c | Secondary | Divide general algebraic terms. | drfrostmaths.com/explorer.php?ssid=2038 | ||

K82d | Secondary | Combine multiplication and division of algebraic terms. | drfrostmaths.com/explorer.php?ssid=2039 | ||

K82e | Secondary | Divide algebraic terms. | drfrostmaths.com/explorer.php?ssid=612 | https://www.youtube.com/embed/c8UoxNsZC60 | K150 |

K82f | Secondary | Divide algebraic terms with powers. | drfrostmaths.com/explorer.php?ssid=613 | https://www.youtube.com/embed/D_DMZhKfHUg | K151 |

E83 | Secondary | Exam Practice: Expand a single bracket. | drfrostmaths.com/explorer.php?ssid=69 | https://www.youtube.com/embed/VzS_qsrEtfM | E83 |

K83a | Secondary | Expand a single bracket with an integer on the front. | drfrostmaths.com/explorer.php?ssid=592 | https://www.youtube.com/embed/_cS6RIny5AE | K153 |

K83b | Secondary | Expand a single bracket requiring simplification. | drfrostmaths.com/explorer.php?ssid=1358 | https://www.youtube.com/embed/u0G745uAJgU | K154 |

K83c | Secondary | Expand a single bracket with an algebraic term at the front. | drfrostmaths.com/explorer.php?ssid=1359 | https://www.youtube.com/embed/ZQ6mqCF3QQk | K157 |

K83d | Secondary | Expand two sets of single brackets and collect like terms. | drfrostmaths.com/explorer.php?ssid=707 | https://www.youtube.com/embed/1Cc0a6vZ0xM | K155 |

K83e | Secondary | Expand two sets of single brackets where the second bracket has a negative coefficient. | drfrostmaths.com/explorer.php?ssid=1240 | https://www.youtube.com/embed/f9PZBFPM7qU | K156 |

E84 | Secondary | Exam Practice: Form algebraic expressions from context. | drfrostmaths.com/explorer.php?ssid=104 | E84 | |

K84a | Secondary | Form an expression with one operation and one variable. | drfrostmaths.com/explorer.php?ssid=1347 | https://www.youtube.com/embed/s6GJzO1Ff-4 | K165 |

K84b | Secondary | Form an expression with one variable and two operations. | drfrostmaths.com/explorer.php?ssid=1352 | https://www.youtube.com/embed/gxfkCU-xrwY | K166 |

K84c | Secondary | Form an expression for total quantity or cost involving two variables. | drfrostmaths.com/explorer.php?ssid=1451 | https://www.youtube.com/embed/LobR0TseB58 | K167 |

K84d | Secondary | Form an expression from the perimeter of a 2D shape. | drfrostmaths.com/explorer.php?ssid=1349 | https://www.youtube.com/embed/rrUAJP6fMEI | K168 |

K84e | Secondary | Form an expression for the area of a composite rectilinear shape. | drfrostmaths.com/explorer.php?ssid=1508 | https://www.youtube.com/embed/YjTMqrjxfGM | K712 |

E85 | Primary, Secondary | Exam Practice: Continue a sequence. | drfrostmaths.com/explorer.php?ssid=419 | https://www.youtube.com/embed/HpvmiG4-4Ys | E85 |

K85a | Primary, Secondary | Identify the rule to get from one term in a sequence to the next. | drfrostmaths.com/explorer.php?ssid=1979 | ||

K85b | Secondary, Primary | Continue an arithmetic sequence. | drfrostmaths.com/explorer.php?ssid=1163 | https://www.youtube.com/embed/1Cq5nPggsIY | K158 |

K85c | Secondary, Primary | Find a later term in an arithmetic sequence. | drfrostmaths.com/explorer.php?ssid=2005 | ||

K85d | Secondary, Primary | Find the number of items in a subsequent shape, following an arithmetic sequence. | drfrostmaths.com/explorer.php?ssid=1980 | ||

K85e | Secondary, Primary | Find a missing term in an arithmetic sequence with gaps. | drfrostmaths.com/explorer.php?ssid=1991 | ||

K85f | Secondary, Primary | Continue a geometric sequence. | drfrostmaths.com/explorer.php?ssid=1757 | ||

K85g | Secondary, Primary | Continue a Fibonacci-style sequence. | drfrostmaths.com/explorer.php?ssid=1736 | https://www.youtube.com/embed/03KPPtuYUaA | |

K85h | Secondary, Primary | placeholder | drfrostmaths.com/explorer.php?ssid=2007 | ||

K85i | Primary, Secondary | placeholder | drfrostmaths.com/explorer.php?ssid=2008 | ||

K85j | Secondary, Primary | Find a later term in a quadratic sequence. | drfrostmaths.com/explorer.php?ssid=1992 | ||

K85k | Secondary, Primary | Continue a geometric sequence where terms are algebraic. | drfrostmaths.com/explorer.php?ssid=1735 | ||

E86 | Secondary, Primary | Exam Practice: Find terms of a sequence given a term-to-term rule. | drfrostmaths.com/explorer.php?ssid=77 | https://www.youtube.com/embed/CcUsuC5YmZY | E86 |

K86a | Secondary, Primary | Find a later term in an arithmetic sequence. | drfrostmaths.com/explorer.php?ssid=964 | K159 | |

K86b | Secondary, Primary | Find a later term in a geometric sequence. | drfrostmaths.com/explorer.php?ssid=1586 | K761 | |

K86c | Secondary, Primary | Find a missing term in a geometric sequence with gaps. | drfrostmaths.com/explorer.php?ssid=1731 | ||

E87 | Secondary | Exam Practice: Find terms of a sequence given a position-to-term rule. | drfrostmaths.com/explorer.php?ssid=76 | https://www.youtube.com/embed/IqcVmglS36A | E87 |

K87a | Secondary | Generate terms in a sequence using a linear nth term. | drfrostmaths.com/explorer.php?ssid=888 | https://www.youtube.com/embed/TmasnxrjPas | K163 |

K87b | Secondary | Generate the first few terms of a sequence given a linear nth term. | drfrostmaths.com/explorer.php?ssid=1752 | ||

K87c | Secondary | Generate terms in a sequence using a more complex nth term. | drfrostmaths.com/explorer.php?ssid=1049 | https://www.youtube.com/embed/rpDKPQkQ8Fo | K164 |

E88 | Secondary | Exam Practice: Find the nth term formula for a linear sequence. | drfrostmaths.com/explorer.php?ssid=78 | https://www.youtube.com/embed/ujsVk8zqqFA | E88 |

K88a | Secondary | Determine the nth term formula of an ascending arithmetic sequence | drfrostmaths.com/explorer.php?ssid=750 | https://www.youtube.com/embed/scFJlXIM2WA | K160 |

K88b | Secondary | Determine the nth term formula of an descending arithmetic sequence. | drfrostmaths.com/explorer.php?ssid=1378 | https://www.youtube.com/embed/8S-ZgTxjpbc | K161 |

E89 | Secondary | Exam Practice: Determine if a term belongs to a sequence. | drfrostmaths.com/explorer.php?ssid=81 | https://www.youtube.com/embed/ahgHYPquFK0 | E89 |

K89a | Secondary | Determine whether a number is a term in an arithmetic sequence. | drfrostmaths.com/explorer.php?ssid=1338 | https://www.youtube.com/embed/L9ld4zWtg18 | K162 |

E90 | Secondary | Exam Practice: Extend multiplicative scaling to quantities which are inversely proportional. | drfrostmaths.com/explorer.php?ssid=354 | https://www.youtube.com/embed/Eun_y46yKUY | E90 |

K90a | Secondary | Solve inverse proportion problems using a scaling method. | drfrostmaths.com/explorer.php?ssid=1299 | https://www.youtube.com/embed/qGS4s0RuATs | K232 |

E91 | Secondary | Exam Practice: Convert between general units, including currency. | drfrostmaths.com/explorer.php?ssid=455 | E91 | |

K91a | Secondary | Use an exchange rate to calculate an amount by multiplying. | drfrostmaths.com/explorer.php?ssid=1312 | https://www.youtube.com/embed/sFoIfbjhnf4 | K234 |

K91b | Secondary | Use an exchange rate to calculate an amount by dividing. | drfrostmaths.com/explorer.php?ssid=1313 | https://www.youtube.com/embed/xKX-dedgV24 | K235 |

E92 | Secondary | Exam Practice: Add or subtract a mixture of positive and negative numbers. | drfrostmaths.com/explorer.php?ssid=1 | https://www.youtube.com/embed/pDjBuX8qgy0 | E92 |

K92a | Secondary | Add a negative number to any number. | drfrostmaths.com/explorer.php?ssid=698 | https://www.youtube.com/embed/YE-pO1JNH74 | K189 |

K92b | Secondary | Subtract a negative number from any number. | drfrostmaths.com/explorer.php?ssid=700 | https://www.youtube.com/embed/oiBUV1_pinA | K190 |

E93 | Secondary | Exam Practice: Multiply or divide a mixture of positive and negative numbers. | drfrostmaths.com/explorer.php?ssid=2 | https://www.youtube.com/embed/S-UEdTAe1-w | E93 |

K93a | Secondary | Multiply a mixture of positive and negative numbers. | drfrostmaths.com/explorer.php?ssid=701 | https://www.youtube.com/embed/qWMYcpmeZeo | K191 |

K93b | Secondary | Division with a mixture of positive and negative numbers. | drfrostmaths.com/explorer.php?ssid=702 | https://www.youtube.com/embed/XwXpMezXqEY | K192 |

K93c | Secondary | Calculate an integer power of an integer which is possibly negative. | drfrostmaths.com/explorer.php?ssid=1350 | K441 | |

K93d | Secondary | Calculate an integer power of a fraction which is possibly negative. | drfrostmaths.com/explorer.php?ssid=1386 | K442 | |

E94 | Secondary | Exam Practice: Adding and subtracting fractions (excluding mixed numbers). | drfrostmaths.com/explorer.php?ssid=584 | E94 | |

K94a | Secondary | Add or subtract fractions with the same denominator. | drfrostmaths.com/explorer.php?ssid=594 | https://www.youtube.com/embed/jx0CO38kmio | K169 |

K94b | Secondary | Add or subtract fractions with different denominators where one fraction needs changing. | drfrostmaths.com/explorer.php?ssid=1483 | https://www.youtube.com/embed/yGrj8867rAc | K705 |

K94c | Secondary | Add or subtract fractions with different denominators. | drfrostmaths.com/explorer.php?ssid=595 | https://www.youtube.com/embed/KNoP3qhGqnc | K170 |

E95 | Secondary | Exam Practice: Multiply fractions (excluding mixed numbers). | drfrostmaths.com/explorer.php?ssid=582 | E95 | |

K95a | Secondary | Multiply fractions. | drfrostmaths.com/explorer.php?ssid=598 | https://www.youtube.com/embed/wvRIN7Z_jns | K173 |

K95b | Secondary | Multiply a fraction by an integer. | drfrostmaths.com/explorer.php?ssid=1366 | https://www.youtube.com/embed/KADWfYU8yFE | K174 |

K95c | Secondary | Square and square root fractions. | drfrostmaths.com/explorer.php?ssid=1507 | K711 | |

E96 | Secondary | Exam Practice: Divide fractions (excluding mixed numbers). | drfrostmaths.com/explorer.php?ssid=583 | E96 | |

K96a | Secondary | Divide fractions. | drfrostmaths.com/explorer.php?ssid=599 | https://www.youtube.com/embed/9JCOv1eTfEM | K175 |

K96b | Secondary | Divide an integer by a fraction or vice versa. | drfrostmaths.com/explorer.php?ssid=1465 | K177 | |

E97 | Secondary | Exam Practice: Convert between mixed numbers and improper fractions. | drfrostmaths.com/explorer.php?ssid=23 | https://www.youtube.com/embed/iaEkkoUhWqk | E97 |

K97a | Secondary | Write an improper fraction as a mixed number. | drfrostmaths.com/explorer.php?ssid=601 | https://www.youtube.com/embed/W6261sjDu_w | K171 |

K97b | Secondary | Write a mixed number as an improper fraction. | drfrostmaths.com/explorer.php?ssid=602 | https://www.youtube.com/embed/y0EBOCG36D4 | K172 |

E98 | Primary, Secondary | Exam Practice: Add or subtract proper/improper fractions. | drfrostmaths.com/explorer.php?ssid=19 | https://www.youtube.com/embed/cNEYdIz4MvM | E98 |

K98a | Primary, Secondary | Add mixed numbers leading to a remainder less than 1. | drfrostmaths.com/explorer.php?ssid=1868 | ||

K98b | Primary, Secondary | Subtract mixed numbers leading to a positive remainder. | drfrostmaths.com/explorer.php?ssid=1883 | ||

K98c | Primary, Secondary | Add and subtract mixed numbers. | drfrostmaths.com/explorer.php?ssid=600 | https://www.youtube.com/embed/lgNc3O8NUGE | K178 |

E99 | Secondary | Exam Practice: Multiply fractions involving a mixed number. | drfrostmaths.com/explorer.php?ssid=20 | https://www.youtube.com/embed/wrVlqKtX9rg | E99 |

K99a | Secondary | Multiply mixed numbers. | drfrostmaths.com/explorer.php?ssid=746 | https://www.youtube.com/embed/rAoOeNbih7U | K179 |

K99b | Secondary | Multiply a mixed number by an integer. | drfrostmaths.com/explorer.php?ssid=1367 | https://www.youtube.com/embed/q-IqrpEgGXo | K181 |

E100 | Secondary | Exam Practice: Divide fractions involving a mixed number. | drfrostmaths.com/explorer.php?ssid=21 | https://www.youtube.com/embed/In5d6yv3Q3Y | E100 |

K100a | Secondary | Determine the quantity of a unit fraction within a mixed number. | drfrostmaths.com/explorer.php?ssid=1939 | ||

K100b | Secondary | Divide non-mixed numbers, converting the answer to a mixed number. | drfrostmaths.com/explorer.php?ssid=1940 | ||

K100c | Secondary | Divide mixed numbers. | drfrostmaths.com/explorer.php?ssid=747 | https://www.youtube.com/embed/BH9FWoWlNMs | K180 |

K100d | Secondary | Divide a mixed number by an integer. | drfrostmaths.com/explorer.php?ssid=1389 | https://www.youtube.com/embed/Q7L__W6rdtw | K182 |

K100e | Secondary | Calculate the reciprocal of a decimal or fraction. | drfrostmaths.com/explorer.php?ssid=1941 | ||

E101 | Secondary, Primary | Exam Practice: Find a fraction of an amount. | drfrostmaths.com/explorer.php?ssid=24 | https://www.youtube.com/embed/Jc9P678qu1o | E101 |

K101a | Primary, Secondary | Find a unit fraction of an amount. | drfrostmaths.com/explorer.php?ssid=1823 | https://www.youtube.com/embed/sqU1HJMTye8 | |

K101b | Primary, Secondary | Find a fraction of an amount. | drfrostmaths.com/explorer.php?ssid=597 | https://www.youtube.com/embed/jm6qoetSKpU | K183 |

K101c | Primary, Secondary | Determine an amount after a fractional increase or decrease. | drfrostmaths.com/explorer.php?ssid=1824 | https://www.youtube.com/embed/OiC1UfOv1CY | |

K101d | Primary, Secondary | Find the amount left given the fractions of an amount in other groups. | drfrostmaths.com/explorer.php?ssid=1911 | ||

K101e | Primary, Secondary | Combine a mixture of fractions of amounts with other amounts. | drfrostmaths.com/explorer.php?ssid=1825 | https://www.youtube.com/embed/w2OEktG2fp4 | |

K101f | Primary, Secondary | Determine a fraction of a fraction of an amount. | drfrostmaths.com/explorer.php?ssid=1846 | https://www.youtube.com/embed/Xj9xWjvZWck | |

K101g | Secondary, Primary | Combine fractions of amounts from multiple groups. | drfrostmaths.com/explorer.php?ssid=1830 | https://www.youtube.com/embed/0dOXKxDVVIg | |

K101h | Primary, Secondary | Find the total of a physical quantity where costs or weights are assigned to each group. | drfrostmaths.com/explorer.php?ssid=1838 | https://www.youtube.com/embed/HDWYcefLiMQ | |

K101i | Primary, Secondary | Problem solve with pay or cost, involving fractions of amounts. | drfrostmaths.com/explorer.php?ssid=1849 | https://www.youtube.com/embed/1pPfny_zFn4 | |

K101j | Primary, Secondary | Determine the fraction left after taking a fraction of a remaining amount. | drfrostmaths.com/explorer.php?ssid=1910 | ||

E102 | Secondary, Primary | Exam Practice: Find an original amount before a fraction of it was taken. | drfrostmaths.com/explorer.php?ssid=25 | https://www.youtube.com/embed/9jMH9ry_Mks | E102 |

K102a | Primary, Secondary | Find an amount before a unit fraction of it was taken. | drfrostmaths.com/explorer.php?ssid=1840 | https://www.youtube.com/embed/qapRP8-3mx4 | |

K102b | Primary, Secondary | Find an amount before a fraction of it was taken. | drfrostmaths.com/explorer.php?ssid=1369 | https://www.youtube.com/embed/BAOhkg2tcAo | K184 |

K102c | Primary, Secondary | Find a fraction of an amount given another fraction of that amount. | drfrostmaths.com/explorer.php?ssid=1841 | https://www.youtube.com/embed/Hc4zrkYbIl8 | |

K102d | Primary, Secondary | Determine the original amount before a fractional increase or decrease. | drfrostmaths.com/explorer.php?ssid=1842 | https://www.youtube.com/embed/C_9CZ8f9qek | |

K102e | Primary, Secondary | Determine a total amount when the amount of a remaining quantity is provided. | drfrostmaths.com/explorer.php?ssid=1844 | https://www.youtube.com/embed/HIgacOKpoog | |

K102f | Secondary, Primary | Determine the total number of items to subsequently calculate a dependent amount, e.g. cost or weight. | drfrostmaths.com/explorer.php?ssid=1843 | https://www.youtube.com/embed/PA_Cq-5jRhE | |

K102g | Primary, Secondary | Determine the original amount where the difference between two fractions of an amount is given. | drfrostmaths.com/explorer.php?ssid=1845 | https://www.youtube.com/embed/hTADmx1WrOo | |

K102h | Primary, Secondary | Solve problems where a single fraction of a quantity is taken combined with some other fixed quantity. | drfrostmaths.com/explorer.php?ssid=1848 | https://www.youtube.com/embed/6eHdJESTyV8 | |

K102i | Primary, Secondary | Solve problems where two fractions of amount are taken, when combined with some other fixed quantity. | drfrostmaths.com/explorer.php?ssid=1851 | https://www.youtube.com/embed/8fkuXMXouSI | |

K102j | Secondary, Primary | Determine an original amount where a fraction of a fraction or a fraction of a remaining amount is involved. | drfrostmaths.com/explorer.php?ssid=1854 | https://www.youtube.com/embed/JKeXAXZHyfI | |

E103 | Primary, Secondary | Exam Practice: Understand the order in which operators in an expression are evaluated according to BIDMAS. | drfrostmaths.com/explorer.php?ssid=108 | https://www.youtube.com/embed/XQfDJqhCiFw | E103 |

K103a | Primary, Secondary | Evaluate calculations with two operations. | drfrostmaths.com/explorer.php?ssid=773 | https://www.youtube.com/embed/ucdu7vBmZRo | K193 |

K103b | Primary, Secondary | Evaluate calculations with three operations. | drfrostmaths.com/explorer.php?ssid=1028 | https://www.youtube.com/embed/I6XHvED8b7E | K194 |

K103c | Primary, Secondary | Evaluate calculations with brackets. | drfrostmaths.com/explorer.php?ssid=1029 | https://www.youtube.com/embed/OSF0rmTM2q0 | K195 |

E104 | Secondary | Exam Practice: Use a scientific calculator. | drfrostmaths.com/explorer.php?ssid=331 | E104 | |

E105 | Secondary | Exam Practice: Simplify ratios and form ratios from context. | drfrostmaths.com/explorer.php?ssid=66 | https://www.youtube.com/embed/7_UQJ82Et2M | E105 |

K105a | Secondary | Write a ratio in its simplest form. | drfrostmaths.com/explorer.php?ssid=955 | https://www.youtube.com/embed/26IywWqJb6g | K196 |

K105b | Secondary | Write a ratio in the form 1 : n or n : 1. | drfrostmaths.com/explorer.php?ssid=956 | https://www.youtube.com/embed/9q-SwK4n0MA | K197 |

K105c | Secondary | Determine the fraction that a number within a ratio represents. | drfrostmaths.com/explorer.php?ssid=1259 | https://www.youtube.com/embed/WEghvbonx00 | K198 |

K105d | Secondary | Determine the percentage that a number within a ratio represents. | drfrostmaths.com/explorer.php?ssid=1260 | https://www.youtube.com/embed/D1m8XsIoVNA | K199 |

K105e | Secondary | Determine a ratio to describe a situation. | drfrostmaths.com/explorer.php?ssid=1441 | K200 | |

K105f | Secondary | Write a ratio as a linear function. | drfrostmaths.com/explorer.php?ssid=1442 | K201 | |

K105g | Secondary | Convert an equation involving two variables into a ratio. | drfrostmaths.com/explorer.php?ssid=1255 | https://www.youtube.com/embed/7ou72pnJ47s | K695 |

E106 | Secondary | Exam Practice: Find a quantity within a ratio where either the total amount, a particular amount or a difference in an amount is given. | drfrostmaths.com/explorer.php?ssid=67 | https://www.youtube.com/embed/bp4Auq5CZTk | E106 |

K106a | Secondary | Share an amount into a ratio with 2 parts. | drfrostmaths.com/explorer.php?ssid=704 | https://www.youtube.com/embed/iN7nEIkxD5o | K202 |

K106b | Secondary | Share an amount into a ratio with 3 parts. | drfrostmaths.com/explorer.php?ssid=705 | https://www.youtube.com/embed/yu6l8tGIn80 | K203 |

K106c | Secondary | Determine a value in a ratio when one amount is given. | drfrostmaths.com/explorer.php?ssid=1267 | https://www.youtube.com/embed/6ldL4hoCTfM | K205 |

K106d | Secondary | Determine a value in a ratio when the difference between two amounts is given. | drfrostmaths.com/explorer.php?ssid=1266 | https://www.youtube.com/embed/_3VqXZZEibw | K204 |

E107 | Secondary | Exam Practice: Combine ratios and proportions into a single ratio. | drfrostmaths.com/explorer.php?ssid=534 | E107 | |

K107a | Secondary | Combine two ratios to form one. | drfrostmaths.com/explorer.php?ssid=1256 | https://www.youtube.com/embed/s5XwgzsP2S4 | K206 |

K107b | Secondary | Combine two ratios to determine what fraction or percentage of items are a particular type. | drfrostmaths.com/explorer.php?ssid=1877 | https://www.youtube.com/embed/ddS4XQBo61k | |

K107c | Secondary | Combine two ratios involving algebraic terms. | drfrostmaths.com/explorer.php?ssid=1878 | https://www.youtube.com/embed/4NO9ubB3cLM | |

K107d | Secondary | Determine a value in a ratio when another ratio and an amount is given. | drfrostmaths.com/explorer.php?ssid=1879 | https://www.youtube.com/embed/EREyvmYou4k | |

K107e | Secondary | Combine two three-part ratios to form one. | drfrostmaths.com/explorer.php?ssid=1887 | https://www.youtube.com/embed/IBkKsvy87ak | |

K107f | Secondary | Combine ratios in order to reflect on the total possible quantity of items. | drfrostmaths.com/explorer.php?ssid=1888 | https://www.youtube.com/embed/fttY0kXyiUM | |

K107g | Secondary | Problem solve involving combining ratios involving lengths. | drfrostmaths.com/explorer.php?ssid=1889 | https://www.youtube.com/embed/Jv945wtecxc | |

K107h | Secondary | Combine ratios where the second ratio is a subdivision of one of the parts of the first. | drfrostmaths.com/explorer.php?ssid=1893 | https://www.youtube.com/embed/4yR3vnIbqe4 | |

K107i | Secondary | Combine ratios where the second/third ratios are subdivisions of each part of the first. | drfrostmaths.com/explorer.php?ssid=1897 | https://www.youtube.com/embed/HyFbyToLcIM | |

K107j | Secondary | Form a four-part ratio. | drfrostmaths.com/explorer.php?ssid=1566 | https://www.youtube.com/embed/74e8qwwatRg | K746 |

E108 | Primary, Secondary | Exam Practice: Find a simple percentage of an amount, using non-calculator methods. | drfrostmaths.com/explorer.php?ssid=51 | https://www.youtube.com/embed/m6iDDrIeRZ4 | E108 |

K108a | Secondary, Primary | Find the percentage of an amount without a calculator (multiples of 10%). | drfrostmaths.com/explorer.php?ssid=833 | https://www.youtube.com/embed/CMC6D87uK4I | K209 |

K108b | Secondary, Primary | Find the percentage of an amount without a calculator (multiples of 5%). | drfrostmaths.com/explorer.php?ssid=1601 | ||

K108c | Primary, Secondary | Find the percentage of an amount without a calculator (any percentage). | drfrostmaths.com/explorer.php?ssid=1850 | ||

E109 | Primary, Secondary | Exam Practice: Find a value after a simple percentage change, using non-calculator methods. | drfrostmaths.com/explorer.php?ssid=52 | https://www.youtube.com/embed/YIkRY0curBc | E109 |

K109b | Primary, Secondary | Increase or decrease an amount by a percentage without a calculator. | drfrostmaths.com/explorer.php?ssid=834 | https://www.youtube.com/embed/9HdjlMAhBbw | K210 |

E110 | Secondary | Exam Practice: Find what percentage one number is of another. | drfrostmaths.com/explorer.php?ssid=49 | https://www.youtube.com/embed/-j0LFo1TKBg | E110 |

K110a | Secondary | Find what percentage one number is of another. | drfrostmaths.com/explorer.php?ssid=883 | https://www.youtube.com/embed/KJT1fti5lwU | K207 |

E111 | Secondary | Exam Practice: Determine a percentage change. | drfrostmaths.com/explorer.php?ssid=50 | https://www.youtube.com/embed/3cVed2FkrYY | E111 |

K111a | Secondary | Determine a percentage change with a calculator | drfrostmaths.com/explorer.php?ssid=1268 | https://www.youtube.com/embed/3n8i3Ca5qcQ | K208 |

E112 | Secondary | Exam Practice: Find a percentage of an amount, using decimal multipliers. | drfrostmaths.com/explorer.php?ssid=537 | E112 | |

K112a | Secondary | Find a decimal multiplier. | drfrostmaths.com/explorer.php?ssid=1202 | https://www.youtube.com/embed/zNh1_IGyqbE | K211 |

K112b | Secondary | Find the percentage of an amount with a calculator. | drfrostmaths.com/explorer.php?ssid=620 | https://www.youtube.com/embed/16Cw4UIYW74 | K213 |

K112c | Secondary | Calculate simple interest. | drfrostmaths.com/explorer.php?ssid=969 | https://www.youtube.com/embed/lACnWvGArhg | K426 |

K112d | Secondary | Solve a multi-step worded problem involving a percentage of an amount. | drfrostmaths.com/explorer.php?ssid=1876 | https://www.youtube.com/embed/fdlMYi5j-VM | |

K112e | Secondary | Find the percentage of some portion of an amount. | drfrostmaths.com/explorer.php?ssid=1886 | https://www.youtube.com/embed/JUdKlhKVfYo | |

K112f | Secondary | Calculate tax due on a salary or purchase based on allowances and different thresholds. | drfrostmaths.com/explorer.php?ssid=1892 | https://www.youtube.com/embed/kEz7OlM03xg | |

E113 | Secondary | Exam Practice: Find a value after a general percentage change, using decimal multipliers. | drfrostmaths.com/explorer.php?ssid=536 | E113 | |

K113a | Secondary | Determine the decimal multiplier that would lead to a percentage increase or decrease. | drfrostmaths.com/explorer.php?ssid=1875 | https://www.youtube.com/embed/3F9LpJEyGLE | |

K113b | Secondary | Increase or decrease an amount by a percentage with a calculator. | drfrostmaths.com/explorer.php?ssid=621 | https://www.youtube.com/embed/AsW_3-w7vHA | K214 |

K113c | Secondary | Find a decimal multiplier where the percentage is a decimal. | drfrostmaths.com/explorer.php?ssid=1292 | https://www.youtube.com/embed/wWfI-RNuYXc | K212 |

K113d | Secondary | Solve a multi-step worded problem involving a percentage change. | drfrostmaths.com/explorer.php?ssid=1895 | https://www.youtube.com/embed/2fnHP-44Gtg | |

E114 | Secondary | Exam Practice: Find the prime factorisation of a number. | drfrostmaths.com/explorer.php?ssid=26 | https://www.youtube.com/embed/c6Q3Tor_22w | E114 |

K114a | Secondary | Write a number as the product of its prime factors. | drfrostmaths.com/explorer.php?ssid=606 | https://www.youtube.com/embed/easoe0bzFBI | K215 |

K114b | Secondary | Write a product as the product of its prime factors. | drfrostmaths.com/explorer.php?ssid=1692 | ||

K114c | Secondary | Write a number over 100 as the product of its prime factors. | drfrostmaths.com/explorer.php?ssid=1864 | ||

K114d | Secondary | Write a multiple of a product as a product of its prime factors. | drfrostmaths.com/explorer.php?ssid=1874 | ||

E115 | Secondary | Exam Practice: Find the Lower Common Multiple or Highest Common Factor of two numbers. | drfrostmaths.com/explorer.php?ssid=28 | https://www.youtube.com/embed/WRN1LJDcQ-I | E115 |

K115a | Secondary | Find the HCF of two numbers using a listing strategy. | drfrostmaths.com/explorer.php?ssid=889 | https://www.youtube.com/embed/OSbXpoyKJUQ | K216 |

K115b | Secondary | Find the LCM of two numbers using a listing strategy. | drfrostmaths.com/explorer.php?ssid=890 | https://www.youtube.com/embed/rv6ZiR-mlXY | K219 |

K115c | Secondary | Find the Highest Common Factor (HCF) of 2 numbers by prime factorising. | drfrostmaths.com/explorer.php?ssid=607 | https://www.youtube.com/embed/vO30opV_ItE | K218 |

K115d | Secondary | Find the Lowest Common Multiple (LCM) of 2 numbers by prime factorising. | drfrostmaths.com/explorer.php?ssid=608 | https://www.youtube.com/embed/uIOKEnQeoCE | K221 |

K115e | Secondary | Find the HCF of two numbers which are already prime factorised. | drfrostmaths.com/explorer.php?ssid=775 | https://www.youtube.com/embed/vO30opV_ItE | K217 |

K115f | Secondary | Find the LCM of two numbers which are already prime factorised. | drfrostmaths.com/explorer.php?ssid=776 | https://www.youtube.com/embed/uIOKEnQeoCE | K220 |

K115g | Secondary | Find the HCF of two algebraic expressions. | drfrostmaths.com/explorer.php?ssid=1567 | K747 | |

K115h | Secondary | Find the LCM of two algebraic expressions. | drfrostmaths.com/explorer.php?ssid=1568 | K748 | |

E116 | Secondary | Exam Practice: Know the divisibility laws from 3 to 11 and deal with larger divisors. | drfrostmaths.com/explorer.php?ssid=30 | E116 | |

K116a | Secondary | Know if a number is divisible by 2, 3, 4, 5, 6, 8, 9, 10 | drfrostmaths.com/explorer.php?ssid=1607 | ||

K116b | Secondary | Know if a number is divisible by 7 or 11. | drfrostmaths.com/explorer.php?ssid=1608 | ||

K116c | Secondary | Find a missing digit to make a number divisible by 3, 4, 6, 8 or 9. | drfrostmaths.com/explorer.php?ssid=2051 | ||

E117 | Secondary | Exam Practice: Identify properties of a number based on its prime factorisation (e.g. identify factors, if it is square, trailing zeros). | drfrostmaths.com/explorer.php?ssid=31 | E117 | |

E118 | Secondary | Exam Practice: Determine the number of factors of a number using its prime factorisation. | drfrostmaths.com/explorer.php?ssid=32 | E118 | |

E119 | Secondary | Exam Practice: Find integer solutions to linear equations. | drfrostmaths.com/explorer.php?ssid=33 | E119 | |

E120 | Secondary | Exam Practice: Insert numbers into a structure subject to some numerical restriction, e.g. magic squares. | drfrostmaths.com/explorer.php?ssid=373 | E120 | |

E121 | Secondary | Exam Practice: Reason about remainders, including even/oddness. | drfrostmaths.com/explorer.php?ssid=375 | E121 | |

E122 | Secondary | Exam Practice: Round a number to a given number of significant figures. | drfrostmaths.com/explorer.php?ssid=43 | https://www.youtube.com/embed/CKTmUZauibk | E122 |

K122a | Secondary | Round a decimal number to a given number of significant figures. | drfrostmaths.com/explorer.php?ssid=932 | https://www.youtube.com/embed/UlyCHDCfhe4 | K223 |

K122b | Secondary | Round a whole number to a given number of significant figures. | drfrostmaths.com/explorer.php?ssid=2013 | https://www.youtube.com/embed/LLFf_TXWPiU | |

E123 | Secondary, Primary | Exam Practice: Estimate the result of a calculation by first rounding each number. | drfrostmaths.com/explorer.php?ssid=44 | https://www.youtube.com/embed/Y7Qmot2vWe8 | E123 |

K123a | Secondary, Primary | Estimate the answer of a simple calculation. | drfrostmaths.com/explorer.php?ssid=806 | https://www.youtube.com/embed/mmebHnp_qeU | K224 |

K123b | Secondary, Primary | Estimate the result of a division. | drfrostmaths.com/explorer.php?ssid=807 | https://www.youtube.com/embed/cTapGue8CKU | K225 |

E124 | Secondary | Exam Practice: Read and write numbers in Roman numerals. | drfrostmaths.com/explorer.php?ssid=569 | E124 | |

K124a | Secondary | Read Roman numerals less than 10. | drfrostmaths.com/explorer.php?ssid=1938 | ||

K124b | Secondary | Read Roman numerals less than 100. | drfrostmaths.com/explorer.php?ssid=1277 | https://www.youtube.com/embed/x34ccSF7RBM | K226 |

K124c | Secondary | Read Roman numerals less than 500. | drfrostmaths.com/explorer.php?ssid=1454 | K227 | |

K124d | Secondary | Read Roman numerals less than 5000 | drfrostmaths.com/explorer.php?ssid=1739 | ||

E125 | Secondary | Exam Practice: Appreciate the base of a number system and count in different bases. | drfrostmaths.com/explorer.php?ssid=430 | E125 | |

E126 | Secondary | Exam Practice: Convert numbers to decimal from another base. | drfrostmaths.com/explorer.php?ssid=431 | E126 | |

K126a | Secondary | Convert numbers to decimal from binary. | drfrostmaths.com/explorer.php?ssid=1855 | https://www.youtube.com/embed/6uDIPxV7VhA | |

K126b | Secondary | Convert numbers to decimal from any other base less than 10. | drfrostmaths.com/explorer.php?ssid=1858 | https://www.youtube.com/embed/LAlLv8ddgpY | |

K126c | Secondary | Convert numbers to decimal from any base greater than 10. | drfrostmaths.com/explorer.php?ssid=1859 | https://www.youtube.com/embed/nLzcKkcZnyo | |

E127 | Secondary | Exam Practice: Convert a number from decimal to another base. | drfrostmaths.com/explorer.php?ssid=432 | E127 | |

K127a | Secondary | Convert numbers from decimal to binary. | drfrostmaths.com/explorer.php?ssid=1861 | ||

K127b | Secondary | Convert numbers from decimal to any other base less than 10. | drfrostmaths.com/explorer.php?ssid=1862 | ||

K127c | Secondary | Convert numbers from decimal to any base greater than 10. | drfrostmaths.com/explorer.php?ssid=1863 | ||

E128 | Secondary, A Level | Exam Practice: Calculate the mode, median, range from listed data. | drfrostmaths.com/explorer.php?ssid=340 | https://www.youtube.com/embed/MDv7JYfw7eY | E128 |

K128a | Secondary, A Level | Find the median of listed data. | drfrostmaths.com/explorer.php?ssid=667 | https://www.youtube.com/embed/00xV5v85Gqw | K238 |

K128b | Secondary, A Level | Find the range of listed data. | drfrostmaths.com/explorer.php?ssid=668 | https://www.youtube.com/embed/4cs6RrYWd0w | K239 |

K128c | Secondary, A Level | Find the mode of listed data. | drfrostmaths.com/explorer.php?ssid=669 | https://www.youtube.com/embed/SeH31kH5VUA | K237 |

K128d | A Level, Secondary | Find the median, mode and range from a table. | drfrostmaths.com/explorer.php?ssid=1894 | ||

K128e | A Level, Secondary | Find the median, mode and range from a chart. | drfrostmaths.com/explorer.php?ssid=1901 | ||

K128f | A Level, Secondary | Select an appropriate average in a given context. | drfrostmaths.com/explorer.php?ssid=1914 | ||

K128g | Secondary, A Level | Compare two sets of data using averages and the range. | drfrostmaths.com/explorer.php?ssid=1916 | ||

K128h | Secondary, A Level | Deal with a change to the median, mode or range. | drfrostmaths.com/explorer.php?ssid=1915 | ||

K128i | A Level, Secondary | Determine the median, mode and range of a list of algebraic data. | drfrostmaths.com/explorer.php?ssid=1919 | ||

K128j | Secondary, A Level | Determine a list of integers given information about their mean, median, range and mode. | drfrostmaths.com/explorer.php?ssid=958 | https://www.youtube.com/embed/DV5kUU5uBbw | K241 |

E129 | Secondary, A Level | Exam Practice: Combine means or deal with changes to a mean. | drfrostmaths.com/explorer.php?ssid=343 | https://www.youtube.com/embed/QpM3ZpIICCE | E129 |

K129a | A Level, Secondary | Determine the value that resulted in a change of mean. | drfrostmaths.com/explorer.php?ssid=970 | https://www.youtube.com/embed/h2ufot_DGfg | K242 |

K129b | Secondary, A Level | Determine the resulting mean when a value is removed. | drfrostmaths.com/explorer.php?ssid=971 | https://www.youtube.com/embed/fn6RFYVkUvw | K243 |

K129c | Secondary, A Level | Find a missing item given the mean and the other items. | drfrostmaths.com/explorer.php?ssid=957 | https://www.youtube.com/embed/IinVQwJjU1o | K240 |

K129d | Secondary, A Level | Determine the combined mean of two groups. | drfrostmaths.com/explorer.php?ssid=972 | https://www.youtube.com/embed/gPDUOY0-VyE | K244 |

K129e | Secondary, A Level | Determine the mean of one group given the combined mean and the mean of the other group. | drfrostmaths.com/explorer.php?ssid=973 | https://www.youtube.com/embed/pDl5dBGV04A | K245 |

E130 | A Level, Secondary | Exam Practice: Calculate mean from ungrouped frequency tables | drfrostmaths.com/explorer.php?ssid=342 | https://www.youtube.com/embed/Ufl4WNDlCXA | E130 |

K130a | Secondary, A Level | Calculate the total from an ungrouped frequency table. | drfrostmaths.com/explorer.php?ssid=1436 | https://www.youtube.com/embed/d716EPk27pk | K248 |

K130b | Secondary, A Level | Calculate mean from ungrouped frequency tables. | drfrostmaths.com/explorer.php?ssid=742 | https://www.youtube.com/embed/PknjEHjGsos | K249 |

E131 | Secondary | Exam Practice: Form a grouped or ungrouped frequency table. | drfrostmaths.com/explorer.php?ssid=416 | https://www.youtube.com/embed/x0hRBgO47oo | E131 |

K131a | Secondary | Interpret a tally chart. | drfrostmaths.com/explorer.php?ssid=989 | https://www.youtube.com/embed/y-7f6Jnz14g | K80 |

K131b | Secondary | Read off frequency values from ungrouped frequency tables. | drfrostmaths.com/explorer.php?ssid=1401 | https://www.youtube.com/embed/9xOsjkfe4lY | K246 |

K131c | Secondary | Form a frequency table from discrete data. | drfrostmaths.com/explorer.php?ssid=703 | https://www.youtube.com/embed/Kf3tsCFWIGA | K247 |

K131d | Secondary | Form a grouped frequency table. | drfrostmaths.com/explorer.php?ssid=722 | https://www.youtube.com/embed/kR-nhxuin84 | K253 |

K131e | Secondary | Form a cumulative frequency table from a frequency table. | drfrostmaths.com/explorer.php?ssid=1579 | K757 | |

E132 | A Level, Secondary | Exam Practice: Estimate the mean from grouped frequency tables | drfrostmaths.com/explorer.php?ssid=387 | https://www.youtube.com/embed/lAWcjzTaj6c | E132 |

K132a | A Level, Secondary | Estimate the total from a grouped frequency table. | drfrostmaths.com/explorer.php?ssid=1437 | https://www.youtube.com/embed/Catys9NjVvc | K254 |

K132b | A Level, Secondary | Estimate the mean from grouped frequency tables. | drfrostmaths.com/explorer.php?ssid=743 | https://www.youtube.com/embed/Jgd-GrmEGiY | K255 |

E133 | Secondary | Exam Practice: Determine the range, mode or modal class interval from a frequency table. | drfrostmaths.com/explorer.php?ssid=417 | https://www.youtube.com/embed/fKUEEoCbS9E | E133 |

K133a | Secondary | Identify the mode from an ungrouped frequency table. | drfrostmaths.com/explorer.php?ssid=1387 | https://www.youtube.com/embed/d31sB8NM27k | K250 |

K133b | Secondary | Identify the modal class from a grouped frequency table. | drfrostmaths.com/explorer.php?ssid=1388 | https://www.youtube.com/embed/cJzf3yxizC0 | K256 |

K133c | Secondary | Find the range from ungrouped frequency tables. | drfrostmaths.com/explorer.php?ssid=1402 | https://www.youtube.com/embed/vn5Lw8Y75tw | K251 |

E134 | Secondary | Exam Practice: Determine the median or median class interval from a frequency table. | drfrostmaths.com/explorer.php?ssid=418 | https://www.youtube.com/embed/X3kzCWmDWAc | E134 |

K134a | Secondary | Find the median from an ungrouped frequency table. | drfrostmaths.com/explorer.php?ssid=1394 | https://www.youtube.com/embed/-Uwe-x9FUrk | K252 |

K134b | Secondary | Identify the class interval of the median for a grouped frequency table. | drfrostmaths.com/explorer.php?ssid=1425 | https://www.youtube.com/embed/Am9Fj9A0Vr8 | K257 |

K134c | Secondary | Estimate the median from a grouped frequency table. | drfrostmaths.com/explorer.php?ssid=1438 | K627 | |

E135 | Secondary | Exam Practice: Scatter Graphs and Correlation | drfrostmaths.com/explorer.php?ssid=338 | E135 | |

K135a | Secondary | Plot a point on a scatter graph. | drfrostmaths.com/explorer.php?ssid=894 | https://www.youtube.com/embed/yHRU5zmOXnI | K258 |

K135b | Secondary | Intepret the correlation represented on a scatter graph. | drfrostmaths.com/explorer.php?ssid=896 | https://www.youtube.com/embed/KKq9yvBNr8g | K259 |

K135c | Secondary | Use a line of best fit on a scatter graph. | drfrostmaths.com/explorer.php?ssid=897 | https://www.youtube.com/embed/wfRz4ygeqGk | K260 |

E136 | Secondary | Exam Practice: Stem & Leaf Diagrams | drfrostmaths.com/explorer.php?ssid=407 | E136 | |

K136a | Secondary | Draw a stem-and-leaf diagram. | drfrostmaths.com/explorer.php?ssid=723 | https://www.youtube.com/embed/AZPCcHqG6uA | K261 |

K136b | Secondary | Find the mean from a stem-and-leaf diagram. | drfrostmaths.com/explorer.php?ssid=724 | K262 | |

K136c | Secondary | Find the median from a stem-and-leaf diagram. | drfrostmaths.com/explorer.php?ssid=725 | https://www.youtube.com/embed/1bAhrqOZegk | K263 |

K136d | Secondary | Find the mode from a stem-and-leaf diagram. | drfrostmaths.com/explorer.php?ssid=726 | https://www.youtube.com/embed/o0yl5xDJQw0 | K264 |

K136e | Secondary | Find the range from a stem-and-leaf diagram. | drfrostmaths.com/explorer.php?ssid=727 | https://www.youtube.com/embed/cnUZx9nt9XQ | K265 |

E137 | Secondary, Primary | Exam Practice: Pie Charts | drfrostmaths.com/explorer.php?ssid=337 | E137 | |

K137a | Secondary, Primary | Draw a pie chart. | drfrostmaths.com/explorer.php?ssid=1036 | https://www.youtube.com/embed/L2a98g8Lx_k | K267 |

K137b | Secondary, Primary | Interpret a pie chart. | drfrostmaths.com/explorer.php?ssid=1051 | https://www.youtube.com/embed/7VWgRl4roIY | K266 |

E138 | Secondary | Exam Practice: Frequency Polygons | drfrostmaths.com/explorer.php?ssid=335 | https://www.youtube.com/embed/Tpw76PK3zxY | E138 |

K138a | Secondary | Draw a frequency polygon. | drfrostmaths.com/explorer.php?ssid=1054 | https://www.youtube.com/embed/MppB0LJJOmY | K268 |

E139 | Secondary | Exam Practice: Experimental vs Theoretical probabilities, and calculate the former. | drfrostmaths.com/explorer.php?ssid=346 | https://www.youtube.com/embed/F0QK_OromkQ | E139 |

K139a | Secondary | Determine the relative frequency of an outcome. | drfrostmaths.com/explorer.php?ssid=1048 | https://www.youtube.com/embed/k1BoFfN4uWI | K269 |

K139b | Secondary | Work out an expected value given repeated trials. | drfrostmaths.com/explorer.php?ssid=1047 | https://www.youtube.com/embed/HNWtOeT5-7g | K270 |

E140 | Secondary | Exam Practice: Design and critique questionnaire questions. | drfrostmaths.com/explorer.php?ssid=333 | E140 | |

E141 | Secondary | Exam Practice: Sampling methods, including random and stratified sampling. | drfrostmaths.com/explorer.php?ssid=334 | E141 | |

K141a | Secondary | Take a stratified sample. | drfrostmaths.com/explorer.php?ssid=1137 | https://www.youtube.com/embed/cxlNHItH5UI | K271 |

K141b | Secondary | Use the capture-recapture method to estimate the size of a population. | drfrostmaths.com/explorer.php?ssid=1309 | https://www.youtube.com/embed/BlanMLOCazQ | K272 |

E142 | Primary | Exam Practice: Know basic terms in relation to circles: radius, diameter and circumference. | drfrostmaths.com/explorer.php?ssid=564 | E142 | |

E143 | Secondary | Exam Practice: Find the circumference of a full circle. | drfrostmaths.com/explorer.php?ssid=476 | E143 | |

K143a | Secondary | Find the circumference of a full circle given its radius. | drfrostmaths.com/explorer.php?ssid=711 | https://www.youtube.com/embed/QXo0wJ7lMhM | K287 |

K143b | Secondary | Find the circumference of a full circle given its diameter. | drfrostmaths.com/explorer.php?ssid=713 | https://www.youtube.com/embed/R9pXICTkntE | K288 |

K143c | Secondary | Find the exact circumference of a full circle. | drfrostmaths.com/explorer.php?ssid=1597 | ||

K143d | Secondary | Find the radius or diameter of a circle given its circumference. | drfrostmaths.com/explorer.php?ssid=717 | https://www.youtube.com/embed/RWQ7uq1vhe0 | K289 |

K143e | Secondary | Determine a cost involving the circumference of a full circle. | drfrostmaths.com/explorer.php?ssid=1998 | ||

K143f | Secondary | Determine the circumference of a circle given the area or perimeter of an enscribing square. | drfrostmaths.com/explorer.php?ssid=2011 | ||

K143g | Secondary | Determine the number of revolutions of a wheel across a given distance. | drfrostmaths.com/explorer.php?ssid=2022 | ||

E144 | Secondary | Exam Practice: Find the area of a full circle. | drfrostmaths.com/explorer.php?ssid=126 | https://www.youtube.com/embed/jOwlhcRGwdk | E144 |

K144a | Secondary | Find the area of a full circle given its radius. | drfrostmaths.com/explorer.php?ssid=710 | https://www.youtube.com/embed/i0BYZx4cJgc | K290 |

K144b | Secondary | Find the area of a full circle given its diameter. | drfrostmaths.com/explorer.php?ssid=712 | https://www.youtube.com/embed/4Z-7Clyh8LM | K291 |

K144c | Secondary | Find the exact area of a full circle. | drfrostmaths.com/explorer.php?ssid=1598 | ||

K144d | Secondary | Find the radius of a circle given its area. | drfrostmaths.com/explorer.php?ssid=716 | https://www.youtube.com/embed/Bkif_A8ZMAU | K292 |

E145 | Secondary | Exam Practice: Find the area or perimeter of simple fractions of circles. | drfrostmaths.com/explorer.php?ssid=477 | E145 | |

K145a | Secondary | Find the area of a simple fraction of a circle. | drfrostmaths.com/explorer.php?ssid=714 | https://www.youtube.com/embed/COF_NjSfE54 | K294 |

K145b | Secondary | Find the perimeter of a simple fraction of a circle. | drfrostmaths.com/explorer.php?ssid=715 | https://www.youtube.com/embed/5haP2kYPoE0 | K293 |

K145c | Secondary | Find the exact area of a simple fraction of a circle. | drfrostmaths.com/explorer.php?ssid=1599 | ||

K145d | Secondary | Find the exact perimeter of a simple fraction of a circle. | drfrostmaths.com/explorer.php?ssid=1600 | ||

K145e | Secondary | Solve problems involving the cost of covering a fraction of a circle or quantity of materials needed. | drfrostmaths.com/explorer.php?ssid=2034 | ||

K145f | Secondary | Equate the area of fractions of circles or full circles to determine a length. | drfrostmaths.com/explorer.php?ssid=2035 | ||

K145g | Secondary | K145 Template | drfrostmaths.com/explorer.php?ssid=2054 | ||

E146 | Secondary | Exam Practice: Find the area of trapeziums (and kites). | drfrostmaths.com/explorer.php?ssid=125 | https://www.youtube.com/embed/aKqIc1fmjGc | E146 |

K146a | Secondary | Find the area of a trapezium. | drfrostmaths.com/explorer.php?ssid=674 | https://www.youtube.com/embed/a5laQQJgR-w | K299 |

K146b | Secondary | Find a length in a trapezium given its area. | drfrostmaths.com/explorer.php?ssid=1288 | https://www.youtube.com/embed/8ScDWTrmFZg | K300 |

E147 | Secondary | Exam Practice: Find the area of composite shapes by adding or subtracting areas. | drfrostmaths.com/explorer.php?ssid=127 | https://www.youtube.com/embed/7kp1xSIChNE | E147 |

K147a | Secondary | Find the area of a composite rectilinear shape. | drfrostmaths.com/explorer.php?ssid=1224 | https://www.youtube.com/embed/-zDWva2jNs8 | K118 |

K147b | Secondary | Find a shaded area where a circle is enclosed in a rectangle. | drfrostmaths.com/explorer.php?ssid=1602 | https://www.youtube.com/embed/nmjUy3_OaFQ | |

K147c | Secondary | Find an exact shaded area where a circle is enclosed in a rectangle. | drfrostmaths.com/explorer.php?ssid=1603 | https://www.youtube.com/embed/nmjUy3_OaFQ | |

E148 | Secondary | Exam Practice: Find the perimeter of compound shapes that includes curved edges. | drfrostmaths.com/explorer.php?ssid=351 | E148 | |

E149 | Secondary | Exam Practice: Construct distance-time graphs. | drfrostmaths.com/explorer.php?ssid=395 | E149 | |

K149a | Secondary | Construct distance-time graphs. | drfrostmaths.com/explorer.php?ssid=1124 | https://www.youtube.com/embed/fEGH5satAEw | K326 |

E150 | Secondary | Exam Practice: Determine the velocity from a distance-time graph. | drfrostmaths.com/explorer.php?ssid=397 | https://www.youtube.com/embed/HwVQl11cyOc | E150 |

K150a | Secondary | Determine the velocity from a distance-time graph. | drfrostmaths.com/explorer.php?ssid=1125 | K327 | |

E151 | Secondary | Exam Practice: Understand angle notation \angle ABC | drfrostmaths.com/explorer.php?ssid=581 | E151 | |

K151a | Secondary | Use the three-letter angle notation. | drfrostmaths.com/explorer.php?ssid=1384 | https://www.youtube.com/embed/sXyk8eeSqnE | K102 |

E152 | Secondary | Exam Practice: Appreciate that base angles of an isosceles triangle are equal. | drfrostmaths.com/explorer.php?ssid=158 | https://www.youtube.com/embed/1GuKEZj1PyY | E152 |

K152a | Secondary | Angles in an isosceles triangle. | drfrostmaths.com/explorer.php?ssid=654 | https://www.youtube.com/embed/A4XCv-I6W50 | K301 |

K152b | Secondary | Determine an angle in a diagram involving an isosceles triangle with an extended side. | drfrostmaths.com/explorer.php?ssid=1900 | ||

K152c | Secondary | Determine an angle using multiple angle laws in a diagram that involves an isosceles triangle. | drfrostmaths.com/explorer.php?ssid=1899 | ||

K152d | Secondary | New Response: Determine an angle using multiple angle laws in a diagram that involves an isosceles triangle. | drfrostmaths.com/explorer.php?ssid=1944 | ||

E153 | Secondary | Exam Practice: Understand angles properties of a quadrilateral. | drfrostmaths.com/explorer.php?ssid=121 | https://www.youtube.com/embed/v34sVtg3J5o | E153 |

K153a | Secondary | Angles in a quadrilateral. | drfrostmaths.com/explorer.php?ssid=967 | https://www.youtube.com/embed/6yAkLL5TpkA | K309 |

E154 | Secondary | Exam Practice: Recognise alternate, corresponding and cointerior angles. | drfrostmaths.com/explorer.php?ssid=120 | https://www.youtube.com/embed/vO7qId0X5ds | E154 |

K154a | Secondary | Alternate angles on parallel lines. | drfrostmaths.com/explorer.php?ssid=630 | https://www.youtube.com/embed/BG4Dld85ZVw | K305 |

K154b | Secondary | Corresponding angles on parallel lines. | drfrostmaths.com/explorer.php?ssid=636 | https://www.youtube.com/embed/IXN2c0-1MzM | K306 |

K154c | Secondary | Cointerior (allied) angles on parallel lines. | drfrostmaths.com/explorer.php?ssid=638 | https://www.youtube.com/embed/91pLl0M7sw8 | K308 |

K154d | Secondary | Recognise alternate, corresponding and cointerior (allied) angles. | drfrostmaths.com/explorer.php?ssid=1248 | K304 | |

K154e | Secondary | Find an angle in an isosceles triangle using angles on parallel lines. | drfrostmaths.com/explorer.php?ssid=1184 | https://www.youtube.com/embed/nxUC6S5NUJE | K302 |

E155 | Secondary | Exam Practice: Introduce and use algebraic angles. | drfrostmaths.com/explorer.php?ssid=122 | https://www.youtube.com/embed/zo3KOe8fwGQ | E155 |

K155a | Secondary | Determine the value of a variable for simple expressions of angles on a line or angles around a point. | drfrostmaths.com/explorer.php?ssid=1909 | ||

K155b | Secondary | Determine an algebraic expression for an angle involving angles on a line or angles about a point, for simple expressions only. | drfrostmaths.com/explorer.php?ssid=1912 | ||

K155c | Secondary | Determine the value of an variable by forming an equation from angles in a triangle or quadrilateral. | drfrostmaths.com/explorer.php?ssid=1913 | ||

E156 | Secondary | Exam Practice: Solve problems involving bearings (excluding trigonometry). | drfrostmaths.com/explorer.php?ssid=369 | E156 | |

K156a | Secondary | Know and use compass directions. | drfrostmaths.com/explorer.php?ssid=1443 | K323 | |

K156b | Secondary | Know the correspondence between bearings and compass directions. | drfrostmaths.com/explorer.php?ssid=1981 | ||

K156c | Secondary | Calculate a bearing using a simple diagram. | drfrostmaths.com/explorer.php?ssid=987 | https://www.youtube.com/embed/_iqtUwF6fOQ | K324 |

K156d | Secondary | Measure a bearing using a protractor. | drfrostmaths.com/explorer.php?ssid=1982 | ||

K156e | Secondary | Calculate a bearing with parallel lines. | drfrostmaths.com/explorer.php?ssid=988 | https://www.youtube.com/embed/zzLLv8F6Y5c | K325 |

K156f | Secondary | 156c: Calculate a bearing using a simple diagram [new] | drfrostmaths.com/explorer.php?ssid=2010 | ||

K156g | Secondary | 156e: Calculate a bearing using corresponding angles on parallel lines. | drfrostmaths.com/explorer.php?ssid=2024 | ||

K156h | Secondary | 156g: Calculate bearings using a mixture of parallel lines and isosceles triangles. | drfrostmaths.com/explorer.php?ssid=2049 | ||

K156i | Secondary | Bearing with protractor resize | drfrostmaths.com/explorer.php?ssid=2060 | ||

E157 | Primary, Secondary | Exam Practice: Understand the definition of different 3D shapes. | drfrostmaths.com/explorer.php?ssid=112 | https://www.youtube.com/embed/ep7w4rwjJ0E | E157 |

K157a | Secondary, Primary | Understand properties of different 3D shapes. | drfrostmaths.com/explorer.php?ssid=1115 | K335 | |

K157b | Secondary, Primary | Know the names of 3D shapes. | drfrostmaths.com/explorer.php?ssid=1408 | https://www.youtube.com/embed/8x2pEHQ62j0 | K334 |

E158 | Primary | Exam Practice: Identify nets of 3D shapes. | drfrostmaths.com/explorer.php?ssid=563 | E158 | |

E159 | Secondary | Exam Practice: Identify planes of symmetry in 3D shapes. | drfrostmaths.com/explorer.php?ssid=143 | E159 | |

E160 | Secondary | Exam Practice: Reason about number of edges, faces and vertices on a 3D shape. | drfrostmaths.com/explorer.php?ssid=382 | E160 | |

E161 | Secondary, Primary | Exam Practice: Find the volume of a cuboid. | drfrostmaths.com/explorer.php?ssid=114 | https://www.youtube.com/embed/6s288k0rDbc | E161 |

K161a | Secondary, Primary | Find the volume of a cuboid by counting cubes. | drfrostmaths.com/explorer.php?ssid=1284 | https://www.youtube.com/embed/KnE4QtCABxE | K310 |

K161b | Secondary, Primary | Find the volume of a cuboid. | drfrostmaths.com/explorer.php?ssid=675 | https://www.youtube.com/embed/YieuL7PsKLA | K311 |

K161c | Secondary, Primary | Find a missing dimension of a cuboid given its volume. | drfrostmaths.com/explorer.php?ssid=1363 | https://www.youtube.com/embed/QbbqCyiGyAI | K312 |

K161d | Secondary, Primary | Solve worded problems involving depth of a filled container. | drfrostmaths.com/explorer.php?ssid=1918 | ||

K161e | Secondary, Primary | Solve problems involving the capacity of one cuboid in terms of the volume of another. | drfrostmaths.com/explorer.php?ssid=1924 | ||

K161f | Secondary, Primary | Solve problems involving cuboids with equal volume. | drfrostmaths.com/explorer.php?ssid=1925 | ||

E162 | Secondary | Exam Practice: Find the surface area of a cuboid or other non-curved solids. | drfrostmaths.com/explorer.php?ssid=379 | https://www.youtube.com/embed/EHsP0fGlQkM | E162 |

K162a | Secondary | Find the surface area of a cuboid. | drfrostmaths.com/explorer.php?ssid=676 | https://www.youtube.com/embed/gi-cuUDmJw0 | K315 |

K162b | Secondary | Find the surface area of a prism. | drfrostmaths.com/explorer.php?ssid=1027 | https://www.youtube.com/embed/G1yv3mfPg_Y | K314 |

K162c | Secondary | Calculate costs using a surface area. | drfrostmaths.com/explorer.php?ssid=1505 | K709 | |

E163 | Secondary | Exam Practice: Find the volume of a prism. | drfrostmaths.com/explorer.php?ssid=113 | https://www.youtube.com/embed/4aGCTP4XYtw | E163 |

K163a | Secondary | Find the volume of a prism. | drfrostmaths.com/explorer.php?ssid=778 | https://www.youtube.com/embed/XkmjAxDJ71M | K313 |

K163b | Secondary | Find a missing dimension in a triangular prism given the volume. | drfrostmaths.com/explorer.php?ssid=1535 | https://www.youtube.com/embed/F1Zkr7hszKY | K731 |

K163c | Secondary | Find the volume of a prism where the cross section is a compound shape. | drfrostmaths.com/explorer.php?ssid=1659 | ||

E164 | Secondary | Exam Practice: Find the volume of a cylinder. | drfrostmaths.com/explorer.php?ssid=394 | https://www.youtube.com/embed/JOqKkrBBJHQ | E164 |

K164a | Secondary | Find the volume of a cylinder from its radius and height. | drfrostmaths.com/explorer.php?ssid=813 | https://www.youtube.com/embed/hZdcXE83LxU | K316 |

K164b | Secondary | Find the volume of a cylinder from its diameter and height. | drfrostmaths.com/explorer.php?ssid=814 | https://www.youtube.com/embed/ZhHpG0jXlCM | K317 |

K164c | Secondary | Find a missing dimension of a cylinder given its volume. | drfrostmaths.com/explorer.php?ssid=1533 | K729 | |

E165 | Secondary | Exam Practice: Find the surface area of a cylinder. | drfrostmaths.com/explorer.php?ssid=425 | https://www.youtube.com/embed/dRfozegH8TE | E165 |

K165a | Secondary | Find the surface area of a cylinder from its radius and height. | drfrostmaths.com/explorer.php?ssid=1382 | https://www.youtube.com/embed/Yo0t7a1_qr8 | K318 |

K165b | Secondary | Find the surface area of a cylinder from its diameter and height. | drfrostmaths.com/explorer.php?ssid=1381 | https://www.youtube.com/embed/yW-Vorzr1NM | K319 |

K165c | Secondary | Find the height of a cylinder given its surface area. | drfrostmaths.com/explorer.php?ssid=1534 | K730 | |

E166 | Secondary | Exam Practice: Find the midpoint of two points. | drfrostmaths.com/explorer.php?ssid=136 | https://www.youtube.com/embed/1zASK082ZHQ | E166 |

K166a | Secondary | Find the midpoint of two points which have been plotted. | drfrostmaths.com/explorer.php?ssid=1983 | ||

K166b | Secondary | Find the midpoint of two points. | drfrostmaths.com/explorer.php?ssid=880 | https://www.youtube.com/embed/xseTCpiVjGc | K320 |

K166c | Secondary | Find a coordinate given another and their midpoint. | drfrostmaths.com/explorer.php?ssid=881 | https://www.youtube.com/embed/bbws5_NWLQM | K322 |

K166d | Secondary | Find the coordinates of a point that shares a line in a ratio. | drfrostmaths.com/explorer.php?ssid=882 | https://www.youtube.com/embed/esB_uK-WJHU | K321 |

K166e | Secondary | Solve problems involving a midpoint of two points where some values are unknown. | drfrostmaths.com/explorer.php?ssid=1988 | ||

E167 | Secondary | Exam Practice: Understand and use 3D coordinates. | drfrostmaths.com/explorer.php?ssid=135 | E167 | |

E168 | Secondary | Exam Practice: Translate a shape by a given vector. | drfrostmaths.com/explorer.php?ssid=8 | https://www.youtube.com/embed/EUdGPC3SJf4 | E168 |

K168a | Secondary | Translate a shape by a vector. | drfrostmaths.com/explorer.php?ssid=801 | https://www.youtube.com/embed/ZdJgVCH_WJc | K280 |

K168b | Secondary | TODO Translate a shape on a square grid. | drfrostmaths.com/explorer.php?ssid=1346 | K278 | |

E169 | Secondary | Exam Practice: Describe a translation using a vector. | drfrostmaths.com/explorer.php?ssid=9 | https://www.youtube.com/embed/tgxpTTotBz0 | E169 |

K169a | Secondary | Describe a translation. | drfrostmaths.com/explorer.php?ssid=849 | https://www.youtube.com/embed/BWWcg_IOG5E | K281 |

E170 | Secondary | Exam Practice: Rotate a shape by a given angle around a given point. | drfrostmaths.com/explorer.php?ssid=10 | https://www.youtube.com/embed/WgKHtet5dNU | E170 |

K170a | Secondary | Rotate a shape 90^{\circ} or 180^{\circ} about a point. | drfrostmaths.com/explorer.php?ssid=802 | K276 | |

K170b | Secondary | Rotate a shape 270^{\circ} about a point. | drfrostmaths.com/explorer.php?ssid=848 | K277 | |

E171 | Secondary | Exam Practice: Describe a rotation. | drfrostmaths.com/explorer.php?ssid=11 | https://www.youtube.com/embed/TahCIk3iDCE | E171 |

K171a | Secondary | Describe a rotation centred at the origin. | drfrostmaths.com/explorer.php?ssid=854 | https://www.youtube.com/embed/N-PlllnzOWs | K282 |

K171b | Secondary | Describe a 180^{\circ} rotation centred at a point. | drfrostmaths.com/explorer.php?ssid=855 | https://www.youtube.com/embed/rH8ap8kJTWg | K283 |

K171c | Secondary | Describe a 90^{\circ} rotation centred at a point. | drfrostmaths.com/explorer.php?ssid=1390 | https://www.youtube.com/embed/awybFoRpDeU | K284 |

E172 | Secondary | Exam Practice: Enlarge a shape by a given positive integer scale factor around a given centre of enlargement. | drfrostmaths.com/explorer.php?ssid=12 | https://www.youtube.com/embed/EbVnFbA4O5w | E172 |

K172a | Secondary | Enlarge a shape by an integer scale factor. | drfrostmaths.com/explorer.php?ssid=803 | https://www.youtube.com/embed/i3_SRGPc1Bc | K285 |

E173 | Secondary | Exam Practice: Describe an enlargement for a positive integer scale factor. | drfrostmaths.com/explorer.php?ssid=13 | https://www.youtube.com/embed/frfbJCqYf5Y | E173 |

K173a | Secondary | Describe an enlargement with an integer scale factor. | drfrostmaths.com/explorer.php?ssid=858 | https://www.youtube.com/embed/C-Ri_p-kz04 | K286 |

E174 | Primary, Secondary | Exam Practice: Know the approximate conversions between metric and imperial units. | drfrostmaths.com/explorer.php?ssid=381 | https://www.youtube.com/embed/DClfLfRIV0M | E174 |

K174a | Primary, Secondary | Convert between imperial and metric measures of distance. | drfrostmaths.com/explorer.php?ssid=1374 | https://www.youtube.com/embed/1x0RSJI8GEA | K328 |

K174b | Secondary, Primary | Convert between imperial and metric measures of capacity. | drfrostmaths.com/explorer.php?ssid=1456 | K330 | |

K174c | Primary, Secondary | TODO Convert between imperial measures. | drfrostmaths.com/explorer.php?ssid=1459 | K331 | |

K174d | Primary, Secondary | TODO Convert between imperial and metric measures of mass. | drfrostmaths.com/explorer.php?ssid=1474 | K329 | |

E175 | Secondary | Exam Practice: Find inputs and outputs of number machines. | drfrostmaths.com/explorer.php?ssid=410 | https://www.youtube.com/embed/ztobXGrpdyQ | E175 |

K175a | Secondary | Find the output of a function machine. | drfrostmaths.com/explorer.php?ssid=759 | https://www.youtube.com/embed/B_Dxabn5OPg | K365 |

K175b | Secondary | Find the input of a function machine. | drfrostmaths.com/explorer.php?ssid=760 | https://www.youtube.com/embed/II6y-pFdgRc | K366 |

K175c | Secondary | Find the input of a function, given the output. | drfrostmaths.com/explorer.php?ssid=1072 | https://www.youtube.com/embed/615iP8Lva84 | K591 |

E176 | Secondary | Exam Practice: Represent solutions of an inequality on a number line. | drfrostmaths.com/explorer.php?ssid=87 | https://www.youtube.com/embed/aospnqxvk2w | E176 |

K176a | Secondary | Represent an inequality on a number line. | drfrostmaths.com/explorer.php?ssid=1121 | https://www.youtube.com/embed/JKSbMlBdeyA | K341 |

K176b | Secondary | Interpret an inequality represented on a number line. | drfrostmaths.com/explorer.php?ssid=1055 | https://www.youtube.com/embed/iKJN-j4eIu4 | K342 |

E177 | Secondary, A Level | Exam Practice: Solve linear inequalities. | drfrostmaths.com/explorer.php?ssid=85 | https://www.youtube.com/embed/h20HXgEgUq0 | E177 |

K177a | Secondary, A Level | Solve a linear inequality with one step. | drfrostmaths.com/explorer.php?ssid=1605 | https://www.youtube.com/embed/vAlrKVT3dYM | |

K177b | Secondary, A Level | Solve a linear inequality with two steps. | drfrostmaths.com/explorer.php?ssid=1122 | https://www.youtube.com/embed/WT8sdeti_wI | K343 |

K177c | Secondary, A Level | Solve a linear inequality with the unknown on both sides. | drfrostmaths.com/explorer.php?ssid=1247 | https://www.youtube.com/embed/UWl8oZvuF7g | K345 |

K177d | Secondary, A Level | Solve a linear inequality where the coefficient of x is negative. | drfrostmaths.com/explorer.php?ssid=1468 | K344 | |

K177e | Secondary, A Level | Solve a two-ended inequality with a single step. | drfrostmaths.com/explorer.php?ssid=1245 | https://www.youtube.com/embed/WL8lKEb_WiY | K346 |

K177f | A Level, Secondary | Solve a two-ended inequality with two steps. | drfrostmaths.com/explorer.php?ssid=1246 | https://www.youtube.com/embed/y_RVu9_ExLE | K347 |

K177g | Secondary, A Level | Solve a linear inequality with brackets on both sides. | drfrostmaths.com/explorer.php?ssid=1802 | ||

E178 | Secondary | Exam Practice: Factorise out a single term. | drfrostmaths.com/explorer.php?ssid=71 | https://www.youtube.com/embed/biXEdyg2bYA | E178 |

K178a | Secondary | Factorise by taking a common numeric factor out. | drfrostmaths.com/explorer.php?ssid=777 | https://www.youtube.com/embed/DB6TjBVxYHs | K348 |

K178b | Secondary | Factorise by taking an algebraic factor out with single variable. | drfrostmaths.com/explorer.php?ssid=1238 | https://www.youtube.com/embed/vViglKOwRnk | K349 |

K178c | Secondary | Factorise by taking a common algebraic factor out involving index laws. | drfrostmaths.com/explorer.php?ssid=1040 | https://www.youtube.com/embed/y4EOzJ4ZISU | K350 |

K178d | Secondary | Factorise by taking a common bracketed factor out. | drfrostmaths.com/explorer.php?ssid=1704 | https://www.youtube.com/embed/3yE0TPQZeKY | |

E179 | A Level, Secondary | Exam Practice: Expand two brackets. | drfrostmaths.com/explorer.php?ssid=70 | https://www.youtube.com/embed/QwAwH5qiA1Y | E179 |

K179a | A Level, Secondary | Expand two brackets in the form (x-a)(x+a). | drfrostmaths.com/explorer.php?ssid=1351 | https://www.youtube.com/embed/VNUEuFgayfA | K354 |

K179b | A Level, Secondary | Expand two brackets in the form (x\pm a)(x\pm b) | drfrostmaths.com/explorer.php?ssid=632 | https://www.youtube.com/embed/httabGl8BMc | K351 |

K179c | A Level, Secondary | Expand an expression in the form (x+a)^2. | drfrostmaths.com/explorer.php?ssid=1295 | https://www.youtube.com/embed/QAFfQKZR9I8 | K353 |

K179d | Secondary, A Level | Expand two brackets in the form (ax+b)(cx+d). | drfrostmaths.com/explorer.php?ssid=633 | https://www.youtube.com/embed/JPC2aIM6OcI | K352 |

K179e | A Level, Secondary | Expand two brackets of the form (ax+b)(cx^2+dx+e) | drfrostmaths.com/explorer.php?ssid=1013 | https://www.youtube.com/embed/lYQGGK78800 | K763 |

K179f | A Level, Secondary | Expand expressions of the form (ax+b)(cx+d) - (ex+f)(gx+h). | drfrostmaths.com/explorer.php?ssid=1400 | https://www.youtube.com/embed/HhO2riJk_DU | K355 |

K179g | Secondary, A Level | Expand double brackets with subsequent simplification required. | drfrostmaths.com/explorer.php?ssid=1403 | https://www.youtube.com/embed/Mxz8iUNBvHY | K356 |

K179h | A Level, Secondary | Expand two brackets in the form ax(bx+c)(dx+e). | drfrostmaths.com/explorer.php?ssid=2015 | https://www.youtube.com/embed/yUpHtl2FboM | |

K179i | A Level, Secondary | Expand expressions of the form (ax+b)^2 - (cx+d)^2 | drfrostmaths.com/explorer.php?ssid=2017 | https://www.youtube.com/embed/2ucaW5MCrYY | |

K179j | A Level, Secondary | Expand expressions of the form (a+b/x)^2 | drfrostmaths.com/explorer.php?ssid=2018 | https://www.youtube.com/embed/-8y8ZXmFDNk | |

K179k | A Level, Secondary | Compare coefficients by expanding two sets of brackets. | drfrostmaths.com/explorer.php?ssid=2019 | ||

E180 | Secondary, A Level | Exam Practice: Expand three (or more) brackets. | drfrostmaths.com/explorer.php?ssid=501 | E180 | |

K180a | A Level, Secondary | Expand an expression in the form (x+a)(x+b)(x+c) | drfrostmaths.com/explorer.php?ssid=1650 | https://www.youtube.com/embed/BuacIrsxZ6g | |

K180b | Secondary, A Level | Expand an expression in the form (ax+b)(cx+d)(ex+f) | drfrostmaths.com/explorer.php?ssid=634 | https://www.youtube.com/embed/GyqOPBdGcHo | K357 |

K180c | Secondary, A Level | Expand an expression in the form (x+a)^3. | drfrostmaths.com/explorer.php?ssid=1294 | https://www.youtube.com/embed/kpMH9JabDQA | K358 |

K180d | A Level, Secondary | placeholder | drfrostmaths.com/explorer.php?ssid=1995 | ||

K180e | A Level, Secondary | Expand an expression of the form (ax+b)^2(cx+d) | drfrostmaths.com/explorer.php?ssid=1994 | https://www.youtube.com/embed/hxqegvamG9c | |

K180f | Secondary, A Level | Expand an expression of the form (ax+b)^3+(cx+d)^2 | drfrostmaths.com/explorer.php?ssid=2009 | https://www.youtube.com/embed/QdhWhTMVgIk | |

E181 | Primary, Secondary | Exam Practice: Solve linear equations where the variable appears on one side of the equation only. | drfrostmaths.com/explorer.php?ssid=17 | https://www.youtube.com/embed/Da9cfL1Iauk | E181 |

K181a | Primary, Secondary | Solve a one-step equation. | drfrostmaths.com/explorer.php?ssid=635 | https://www.youtube.com/embed/TCIi4C2YzRM | K145 |

K181b | Primary, Secondary | Solve a two-step equation where the solution is a positive integer. | drfrostmaths.com/explorer.php?ssid=658 | https://www.youtube.com/embed/5JU9Uh4nq-A | K146 |

K181c | Primary, Secondary | Solve a general two-step equation. | drfrostmaths.com/explorer.php?ssid=1119 | https://www.youtube.com/embed/kjyS3qxx-Qk | K147 |

K181d | Primary, Secondary | Solve a linear equation with brackets. | drfrostmaths.com/explorer.php?ssid=1375 | https://www.youtube.com/embed/lFbMuRHonNs | K152 |

K181e | Primary, Secondary | Solve an equation with brackets and requiring simplification, with the variable on one side. | drfrostmaths.com/explorer.php?ssid=1455 | https://www.youtube.com/embed/5W7se3kShXY | K372 |

K181f | Secondary, Primary | Solve a two-step equation with possible negative coefficient of the unknown. | drfrostmaths.com/explorer.php?ssid=842 | https://www.youtube.com/embed/VDKMWvBTGwA | K370 |

E182 | Secondary | Exam Practice: Solve linear equations where the variable appears on both sides of the equation. | drfrostmaths.com/explorer.php?ssid=429 | https://www.youtube.com/embed/l-za234E9F4 | E182 |

K182a | Secondary | Solve a linear equation with the unknown on both sides. | drfrostmaths.com/explorer.php?ssid=841 | https://www.youtube.com/embed/JTy8JL70n6k | K367 |

K182b | Secondary | Solve a linear equation with unknowns and brackets on both sides. | drfrostmaths.com/explorer.php?ssid=1239 | https://www.youtube.com/embed/10Tv78eF9Z8 | K368 |

K182c | Secondary | Solve a linear equation with unknowns and brackets on both sides requiring simplification. | drfrostmaths.com/explorer.php?ssid=843 | https://www.youtube.com/embed/pMdqwf4N_bw | K369 |

E183 | Secondary | Exam Practice: Form linear equations from context. | drfrostmaths.com/explorer.php?ssid=498 | E183 | |

K183a | Secondary | Form and solve a linear equation from a word problem involving a single occurrence of the variable. | drfrostmaths.com/explorer.php?ssid=1761 | https://www.youtube.com/embed/825zWGD2sr8 | |

K183b | Secondary | Form and solve a linear equation from the perimeter of a 2D shape. | drfrostmaths.com/explorer.php?ssid=1311 | https://www.youtube.com/embed/BJdu8LrgIgU | K332 |

K183c | Secondary | Form and solve a linear equation from the area of a simple 2D shape. | drfrostmaths.com/explorer.php?ssid=1696 | ||

K183d | Secondary | Form and solve a linear equation from the area of a trapezium. | drfrostmaths.com/explorer.php?ssid=1778 | ||

K183e | Secondary | Form and solve a linear equation from the area of two 2D shapes. | drfrostmaths.com/explorer.php?ssid=1717 | https://www.youtube.com/embed/hE8DTVfchuA | |

K183f | Secondary | K183e: Form and solve a linear equation from angle properties | drfrostmaths.com/explorer.php?ssid=1655 | ||

K183g | Secondary | TEST | drfrostmaths.com/explorer.php?ssid=1658 | ||

E184 | Secondary | Exam Practice: Solve linear equations involving fractions . | drfrostmaths.com/explorer.php?ssid=360 | https://www.youtube.com/embed/IHgy9iAk-wU | E184 |

K184a | Secondary | Solve a two step equation with a fraction on one side. | drfrostmaths.com/explorer.php?ssid=1496 | https://www.youtube.com/embed/Q4uBjCH7hJs | K707 |

K184b | Secondary | Solve an equation with one fraction equals to a linear expression. | drfrostmaths.com/explorer.php?ssid=1075 | https://www.youtube.com/embed/RAfC856gEH4 | K371 |

K184c | Secondary | Solve an equation with one fraction equal to another fraction. | drfrostmaths.com/explorer.php?ssid=1074 | https://www.youtube.com/embed/nyIxaZmbIoE | K373 |

K184d | Secondary | Solve an equation with the unknown on the denominator. | drfrostmaths.com/explorer.php?ssid=1606 | https://www.youtube.com/embed/rAug794m24U | |

K184e | Secondary | Solve an equation with fractions leading to a linear equation. | drfrostmaths.com/explorer.php?ssid=1506 | K710 | |

E185 | A Level, Secondary | Exam Practice: Solve equations involving a power of a variable (including roots) where the variable appears once only. | drfrostmaths.com/explorer.php?ssid=415 | https://www.youtube.com/embed/AZg6ngfFlt4 | E185 |

K185a | Secondary, A Level | Solve two-step equations where a power or a root is involved. | drfrostmaths.com/explorer.php?ssid=1686 | ||

K185b | Secondary, A Level | Solve equations leading to x^a=b where a is a fraction. | drfrostmaths.com/explorer.php?ssid=1676 | ||

E186 | Secondary | Exam Practice: Change the subject of a formula where the subject appears once only. | drfrostmaths.com/explorer.php?ssid=14 | https://www.youtube.com/embed/y-cGpOFCB3Q | E186 |

K186a | Secondary | Change the subject of a linear formula requiring a single step. | drfrostmaths.com/explorer.php?ssid=1008 | https://www.youtube.com/embed/euTMpMDGtQE | K359 |

K186b | Secondary | Change the subject of a linear formula requiring two steps. | drfrostmaths.com/explorer.php?ssid=974 | https://www.youtube.com/embed/5a3L6Q1uymI | K360 |

K186c | Secondary | Change the subject of a linear formula with brackets. | drfrostmaths.com/explorer.php?ssid=975 | https://www.youtube.com/embed/iHPjLpYEBMI | K361 |

K186d | Secondary | Change the subject of a formula with a square root. | drfrostmaths.com/explorer.php?ssid=977 | https://www.youtube.com/embed/JhaQGWmEJs8 | K364 |

K186e | Secondary | Change the subject of a formula where the subject is squared. | drfrostmaths.com/explorer.php?ssid=979 | https://www.youtube.com/embed/3xqx7C1opW4 | K363 |

K186f | Secondary | Change the subject of a formula with fractions. | drfrostmaths.com/explorer.php?ssid=978 | https://www.youtube.com/embed/9_ZVbMIsOSQ | K362 |

K186g | Secondary | Change the subject of a formula where the subject appears on the denominator of a fraction. | drfrostmaths.com/explorer.php?ssid=1754 | ||

E187 | Secondary | Exam Practice: Appreciate that a point on a line must satisfy its equation, and be able to determine x and y intercepts of a line. | drfrostmaths.com/explorer.php?ssid=89 | https://www.youtube.com/embed/D-lhiZFNrow | E187 |

K187a | Secondary | Determine whether a point lies on a line given its equation. | drfrostmaths.com/explorer.php?ssid=1406 | https://www.youtube.com/embed/PUZK13UlTHk | K394 |

K187b | Secondary | Determine the coordinate of the x or y intercept of a straight line given its equation. | drfrostmaths.com/explorer.php?ssid=1397 | https://www.youtube.com/embed/zMApPWEBjuE | K395 |

K187c | Secondary | Find the y-intercept of a straight line which is drawn. | drfrostmaths.com/explorer.php?ssid=837 | https://www.youtube.com/embed/RZCiW_iX9nw | K399 |

K187d | Secondary | Find the coordinate of a point between the x and y intercepts in a particular ratio. | drfrostmaths.com/explorer.php?ssid=1690 | https://www.youtube.com/embed/-LNSHoWhFl8 | |

E188 | Secondary | Exam Practice: Be able to draw a line using its equation. | drfrostmaths.com/explorer.php?ssid=88 | https://www.youtube.com/embed/-15NrddYXos | E188 |

K188a | Secondary | Complete a table of values for a linear graph. | drfrostmaths.com/explorer.php?ssid=1235 | https://www.youtube.com/embed/Y8PbsC05PqA | K388 |

K188b | Secondary | Draw a horizontal, vertical or diagonal line. | drfrostmaths.com/explorer.php?ssid=1241 | https://www.youtube.com/embed/zow4xzc8oGE | K389 |

K188c | Secondary | Draw a line from its equation when the gradient is positive. | drfrostmaths.com/explorer.php?ssid=798 | https://www.youtube.com/embed/xAIJ3Zki24o | K390 |

K188d | Secondary | Draw a line from its equation when the gradient is negative. | drfrostmaths.com/explorer.php?ssid=799 | https://www.youtube.com/embed/IP1xJr9bjnU | K391 |

K188e | Secondary | Draw a line from its equation when the gradient is a fraction. | drfrostmaths.com/explorer.php?ssid=800 | https://www.youtube.com/embed/5P7vPnNMFto | K392 |

K188f | Secondary | Draw a line with an equation in the form ax+by=c. | drfrostmaths.com/explorer.php?ssid=1303 | https://www.youtube.com/embed/wCjr7KVxU1A | K393 |

E189 | Secondary | Exam Practice: Find the gradient of a line given two points. | drfrostmaths.com/explorer.php?ssid=90 | https://www.youtube.com/embed/fnKIlkGBfeE | E189 |

K189a | Secondary | Find the gradient of a line given two coordinates. | drfrostmaths.com/explorer.php?ssid=692 | https://www.youtube.com/embed/mHzvAzd6HGQ | K397 |

K189b | Secondary | Find the gradient of a straight line which is drawn. | drfrostmaths.com/explorer.php?ssid=836 | https://www.youtube.com/embed/OxYk4R1cey4 | K396 |

E190 | Secondary | Exam Practice: Find the gradient or y-intercept of a straight line given its equation. | drfrostmaths.com/explorer.php?ssid=91 | https://www.youtube.com/embed/-oB1lIM0nHs | E190 |

K190a | Secondary | Find the gradient or y-intercept of a line given its equation in the form y=mx+c. | drfrostmaths.com/explorer.php?ssid=1253 | https://www.youtube.com/embed/CjU-C5177Us | K398 |

K190b | Secondary | Find the gradient or y-intercept of a line given its equation in the form px+qy=r. | drfrostmaths.com/explorer.php?ssid=1254 | https://www.youtube.com/embed/dvx9QJZyq9g | K404 |

E191 | Secondary | Exam Practice: Determine the equation of a straight line. | drfrostmaths.com/explorer.php?ssid=92 | https://www.youtube.com/embed/v-9C9Og0SrU | E191 |

K191a | Secondary | Find an equation of a horizontal, vertical or diagonal line. | drfrostmaths.com/explorer.php?ssid=1102 | https://www.youtube.com/embed/2e1C1uH6zkg | K400 |

K191b | Secondary | Find an equation of a straight line which is drawn. | drfrostmaths.com/explorer.php?ssid=838 | https://www.youtube.com/embed/gWATRVIyL-Y | K401 |

K191c | Secondary | Find an equation of a straight line given its gradient and a point, where the gradient is a whole number. | drfrostmaths.com/explorer.php?ssid=1695 | https://www.youtube.com/embed/vAXa-tvU0CU | |

K191d | Secondary | Find an equation of a straight line given its gradient and a point. | drfrostmaths.com/explorer.php?ssid=689 | https://www.youtube.com/embed/vAXa-tvU0CU | K402 |

K191e | Secondary | Find an equation of a straight line given two points. | drfrostmaths.com/explorer.php?ssid=735 | https://www.youtube.com/embed/MTrQvt8Dag0 | K403 |

E192 | Secondary, A Level | Exam Practice: Appreciate that parallel lines have the same gradient. | drfrostmaths.com/explorer.php?ssid=93 | https://www.youtube.com/embed/JO_xha-5EwU | E192 |

K192a | Secondary, A Level | Find an equation of a line parallel to another. | drfrostmaths.com/explorer.php?ssid=736 | https://www.youtube.com/embed/ugNY9ag08Gg | K405 |

E193 | Secondary | Exam Practice: Factorise quadratics of the form x^{2} + bx + c. | drfrostmaths.com/explorer.php?ssid=72 | https://www.youtube.com/embed/5p79yczPWQc | E193 |

K193a | Secondary | Factorise quadratics of the form x^2 + bx + c. | drfrostmaths.com/explorer.php?ssid=684 | https://www.youtube.com/embed/hUXIuTZOA_A | K381 |

K193b | Secondary | Factorise quadratics of the form x^2 - bx + c. | drfrostmaths.com/explorer.php?ssid=687 | https://www.youtube.com/embed/KWeNyNrsqnk | K382 |

K193c | Secondary | Factorise quadratics of the form x^2 \pm bx - c. | drfrostmaths.com/explorer.php?ssid=688 | https://www.youtube.com/embed/KREQdp3H0gI | K383 |

K193d | Secondary | Factorise quadratics of the form x^2 \pm bx \pm c. | drfrostmaths.com/explorer.php?ssid=690 | https://www.youtube.com/embed/GS4HHkTOl8k | K384 |

E194 | Secondary | Exam Practice: Factorise the difference of two squares. | drfrostmaths.com/explorer.php?ssid=74 | https://www.youtube.com/embed/S3JXkf5X97Y | E194 |

K194a | Secondary | Factorise the difference of two squares. | drfrostmaths.com/explorer.php?ssid=691 | https://www.youtube.com/embed/kn-pFoJCOMs | K385 |

K194b | Secondary | Factorise the difference of two squares: kx^2-a^2 | drfrostmaths.com/explorer.php?ssid=1059 | https://www.youtube.com/embed/07rQrhjWOOs | K764 |

K194c | Secondary | Factorise the difference of two squares to evaluate numerical calculation. | drfrostmaths.com/explorer.php?ssid=1713 | https://www.youtube.com/embed/Oom4r1hzZ6Q | |

E195 | Secondary | Exam Practice: Factorise a quadratic where the coefficient of the x^{2} term is not 1. | drfrostmaths.com/explorer.php?ssid=73 | https://www.youtube.com/embed/cbbEFYpeWV8 | E195 |

K195a | Secondary | Factorise quadratics of the form ax^2+bx+c. | drfrostmaths.com/explorer.php?ssid=738 | https://www.youtube.com/embed/eB6J9k-_4Dc | K387 |

K195b | Secondary | Factorise quadratics of the form ax^2-bx+c. | drfrostmaths.com/explorer.php?ssid=1637 | https://www.youtube.com/embed/dQ67DuZyaGs | |

K195c | Secondary | Factorise quadratics of the form ax^2\pm bx\pm c. | drfrostmaths.com/explorer.php?ssid=1638 | https://www.youtube.com/embed/7re9jKGsnG4 | |

K195d | Secondary | Factorise a quadratic expression using a substitution. | drfrostmaths.com/explorer.php?ssid=1521 | https://www.youtube.com/embed/aKP-foQjYlo | K720 |

E196 | Secondary | Exam Practice: Factorise more difficult non-quadratic expressions, e.g. combining factorisation techniques or requiring factorisation of a bracketed term. | drfrostmaths.com/explorer.php?ssid=75 | E196 | |

K196a | Secondary | Factorise the difference of two squares after taking a common factor out. | drfrostmaths.com/explorer.php?ssid=1428 | https://www.youtube.com/embed/TxmA8VJY0EQ | K386 |

K196b | Secondary | Fully factorise a quadratic of the form ax^2+bx+c requiring to take out a common factor first. | drfrostmaths.com/explorer.php?ssid=1060 | K765 | |

K196c | Secondary | Use pairwise factorisation to write an expression as the product of two brackets. | drfrostmaths.com/explorer.php?ssid=1628 | ||

E197 | Secondary, A Level | Exam Practice: Solve simultaneous equations using graphical methods. | drfrostmaths.com/explorer.php?ssid=84 | E197 | |

K197b | Secondary, A Level | Solve linear simultaneous equations using graphical methods. | drfrostmaths.com/explorer.php?ssid=1760 | ||

K197c | Secondary, A Level | Solve quadratic simultaneous equations using graphical methods. | drfrostmaths.com/explorer.php?ssid=1037 | K374 | |

E198 | Secondary | Exam Practice: Solve linear simultaneous equations using elimination or substitution. | drfrostmaths.com/explorer.php?ssid=82 | https://www.youtube.com/embed/XWNropJ5pn0 | E198 |

K198a | Secondary | Solve simultaneous equations where one unknown has equal positive coefficients. | drfrostmaths.com/explorer.php?ssid=1018 | https://www.youtube.com/embed/BueMJH0h3e8 | K376 |

K198b | Secondary | Solve simultaneous equations where one unknown has equal coefficients with different signs. | drfrostmaths.com/explorer.php?ssid=1022 | https://www.youtube.com/embed/3OUQpUl1pg0 | K377 |

K198c | Secondary | Solve simultaneous equations where one unknown has unequal positive coefficients. | drfrostmaths.com/explorer.php?ssid=1751 | ||

K198d | Secondary | Solve simultaneous equations with unequal coefficients where the unknowns have the same signs. | drfrostmaths.com/explorer.php?ssid=1023 | https://www.youtube.com/embed/8ZEdxhitNqQ | K378 |

K198e | Secondary | Solve simultaneous equations with unequal coefficients where the second unknowns have different signs. | drfrostmaths.com/explorer.php?ssid=1024 | https://www.youtube.com/embed/5vu5Eb1gVlc | K379 |

K198f | Secondary | Solve simultaneous equations by substitution. | drfrostmaths.com/explorer.php?ssid=1555 | K742 | |

K198g | Secondary | Solve simultaneous linear equations requiring rearrangement. | drfrostmaths.com/explorer.php?ssid=1174 | K774 | |

K198h | Secondary | Form and solve simultaneous equations from written information. | drfrostmaths.com/explorer.php?ssid=1026 | https://www.youtube.com/embed/CeA_Uqp9hwg | K380 |

K198i | Secondary | Appreciate that the solution to two linear simultaneous equations gives a point of intersection. | drfrostmaths.com/explorer.php?ssid=1025 | K375 | |

E199 | Secondary | Exam Practice: Find the nth term formula for a quadratic sequence. | drfrostmaths.com/explorer.php?ssid=79 | https://www.youtube.com/embed/vpnSZtct26s | E199 |

K199a | Secondary | Determine the nth term formula of a quadratic sequence in the form an^2+c. | drfrostmaths.com/explorer.php?ssid=1670 | ||

K199b | Secondary | Determine the nth term formula of a quadratic sequence in the form an^2+bn. | drfrostmaths.com/explorer.php?ssid=1678 | ||

K199c | Secondary | Determine the nth term formula of a quadratic sequence in the form an^2+bn+c where b is positive. | drfrostmaths.com/explorer.php?ssid=751 | https://www.youtube.com/embed/5Er_L4H1GSE | K406 |

K199d | Secondary | Determine the nth term formula of a quadratic sequence in the form an^2+bn+c where b is negative. | drfrostmaths.com/explorer.php?ssid=1775 | ||

E200 | Secondary | Exam Practice: Determine the nth term formula for more complicated sequences, e.g. geometric. | drfrostmaths.com/explorer.php?ssid=80 | E200 | |

K200a | Secondary | Determine the nth term of a geometric sequence. | drfrostmaths.com/explorer.php?ssid=752 | https://www.youtube.com/embed/8idda0ZuU0w | K407 |

E201 | A Level, Secondary | Exam Practice: Simplify single algebraic fractions by cancelling common factors. | drfrostmaths.com/explorer.php?ssid=356 | https://www.youtube.com/embed/RfFqb93M4U4 | E201 |

K201a | A Level, Secondary | Simplify a factorised algebraic fraction. | drfrostmaths.com/explorer.php?ssid=1446 | https://www.youtube.com/embed/ZR7ItaSpe2I | K411 |

K201b | A Level, Secondary | Simplify algebraic fractions where linear factorisation of one of the numerator or denominator is required. | drfrostmaths.com/explorer.php?ssid=1545 | https://www.youtube.com/embed/qwdOLaLI0is | K740 |

K201c | A Level, Secondary | Simplify algebraic fractions where linear factorisation of both the numerator and denominator is required. | drfrostmaths.com/explorer.php?ssid=1546 | https://www.youtube.com/embed/R1nQV2lrRDU | K741 |

K201d | Secondary, A Level | Simplify algebraic fractions where factorisation of one of the numerator or denominator is required. | drfrostmaths.com/explorer.php?ssid=1236 | https://www.youtube.com/embed/ZzS1hdihiOQ | K412 |

K201e | Secondary, A Level | Simplify algebraic fractions where factorisation of both the numerator and denominator is required. | drfrostmaths.com/explorer.php?ssid=1237 | https://www.youtube.com/embed/1IfM07KM2wE | K413 |

K201f | A Level, Secondary | Simplify a fraction using index laws | drfrostmaths.com/explorer.php?ssid=976 | K766 | |

E202 | Secondary, A Level | Exam Practice: Multiply and divide algebraic fractions. | drfrostmaths.com/explorer.php?ssid=357 | https://www.youtube.com/embed/PMXJGwzW1AM | E202 |

K202a | Secondary, A Level | Multiply algebraic fractions with single terms on the numerators and denominators. | drfrostmaths.com/explorer.php?ssid=1153 | https://www.youtube.com/embed/K-SqTkLDKcQ | K409 |

K202b | Secondary, A Level | Divide algebraic fractions with single terms on the numerators and denominators. | drfrostmaths.com/explorer.php?ssid=1154 | https://www.youtube.com/embed/heW51yiqj6Y | K410 |

K202c | A Level, Secondary | Multiply algebraic fractions requiring prior factorisation (excluding non-monic quadratics). | drfrostmaths.com/explorer.php?ssid=1937 | https://www.youtube.com/embed/KyiaP456KoY | |

K202d | A Level, Secondary | Divide algebraic fractions requiring prior factorisation (excluding non-monic quadratics). | drfrostmaths.com/explorer.php?ssid=1942 | https://www.youtube.com/embed/cbcpd6IcCec | |

K202e | A Level, Secondary | Multiply algebraic fractions requiring prior factorisation, including a non-monic quadratic. | drfrostmaths.com/explorer.php?ssid=1943 | https://www.youtube.com/embed/Rb6YZGbbWbM | |

K202f | Secondary, A Level | Divide algebraic fractions requiring prior factorisation, including a non-monic quadratic. | drfrostmaths.com/explorer.php?ssid=1950 | https://www.youtube.com/embed/Z66n9s4F08s | |

E203 | Secondary | Exam Practice: Plot quadratic, cubic, exponential and reciprocal graphs. | drfrostmaths.com/explorer.php?ssid=96 | https://www.youtube.com/embed/ciRxmAHvYH0 | E203 |

K203a | Secondary | Complete a table of values for a quadratic graph. | drfrostmaths.com/explorer.php?ssid=1034 | https://www.youtube.com/embed/hS4VxPH9unE | K414 |

K203b | Secondary | Plot a quadratic graph. | drfrostmaths.com/explorer.php?ssid=1035 | https://www.youtube.com/embed/GfUwv6wPkMY | K415 |

K203c | Secondary | Complete a table of values for an exponential graph. | drfrostmaths.com/explorer.php?ssid=1573 | https://www.youtube.com/embed/VRWl266QuAM | K753 |

K203d | Secondary | TODO Plot an exponential graph. | drfrostmaths.com/explorer.php?ssid=1135 | K611 | |

K203e | Secondary | TODO Plot a reciprocal graph. | drfrostmaths.com/explorer.php?ssid=1136 | K612 | |

K203f | Secondary | Plot a cubic graph. | drfrostmaths.com/explorer.php?ssid=1077 | https://www.youtube.com/embed/vA9zaxktXks | K416 |

E204 | Secondary | Exam Practice: Plot and recognise graphs/equations of circles, centred at the origin. | drfrostmaths.com/explorer.php?ssid=97 | https://www.youtube.com/embed/kKBGlZ0lhNU | E204 |

K204a | Secondary | Plot the graph of a circle centred at the origin. | drfrostmaths.com/explorer.php?ssid=1098 | https://www.youtube.com/embed/9m2IjCNw9XQ | K417 |

K204b | Secondary | Find the radius of a circle given its equation. | drfrostmaths.com/explorer.php?ssid=1426 | https://www.youtube.com/embed/fpX2t1P4U9I | K420 |

K204c | Secondary | Find an equation of a circle centred at the origin which is drawn. | drfrostmaths.com/explorer.php?ssid=1042 | https://www.youtube.com/embed/qc1cxIR4rPk | K418 |

K204d | Secondary | Find an equation of a circle centred at the origin given its radius. | drfrostmaths.com/explorer.php?ssid=1044 | https://www.youtube.com/embed/c5JH6BVO_ro | K419 |

E205 | A Level, Secondary | Exam Practice: Sketch a quadratic graph by finding its intercepts with the axes. | drfrostmaths.com/explorer.php?ssid=105 | https://www.youtube.com/embed/6KgAsvNSc4E | E205 |

K205a | A Level, Secondary | Find the y-intercept of a quadratic graph. | drfrostmaths.com/explorer.php?ssid=1140 | https://www.youtube.com/embed/1J4ERQ_eyvg | K421 |

K205b | Secondary, A Level | Find the x-intercepts of a quadratic graph with equation in the form y=x^2+bx+c. | drfrostmaths.com/explorer.php?ssid=1141 | https://www.youtube.com/embed/sJWupCI0Eww | K422 |

K205c | Secondary, A Level | Find the x-intercepts of a quadratic graph with equation in the form y=ax^2+bx+c. | drfrostmaths.com/explorer.php?ssid=1142 | https://www.youtube.com/embed/2_EeanA80BU | K423 |

K205d | Secondary, A Level | Sketch a quadratic graph in the form y=(x-a)(x-b), including its intercepts only. | drfrostmaths.com/explorer.php?ssid=1772 | ||

K205e | Secondary, A Level | Sketch a quadratic graph, including its intercepts only. | drfrostmaths.com/explorer.php?ssid=1770 | ||

K205f | A Level, Secondary | Determine the equation of a quadratic function from its graph. | drfrostmaths.com/explorer.php?ssid=950 | K769 | |

E206 | A Level, Secondary | Exam Practice: Use laws of indices for multiplying powers, dividing powers and raising a power to a power. Deal with a power of 0. | drfrostmaths.com/explorer.php?ssid=56 | https://www.youtube.com/embed/Z_WCKeO-liY | E206 |

K206a | A Level, Secondary | Laws of indices for multiplying powers. | drfrostmaths.com/explorer.php?ssid=645 | https://www.youtube.com/embed/oodzA4Qqn-I | K432 |

K206b | A Level, Secondary | Laws of indices for dividing powers. | drfrostmaths.com/explorer.php?ssid=646 | https://www.youtube.com/embed/yUKJi5ZTFhY | K433 |

K206c | Secondary, A Level | Laws of indices for raising a power to a power. | drfrostmaths.com/explorer.php?ssid=647 | https://www.youtube.com/embed/hGXRddq5Owk | K434 |

K206d | Secondary, A Level | Laws of indices for multiplying powers, dividing powers and raising a power to a power. | drfrostmaths.com/explorer.php?ssid=1663 | ||

K206e | Secondary, A Level | Laws of indices for multiplying and dividing powers requiring two steps. | drfrostmaths.com/explorer.php?ssid=1518 | K718 | |

K206f | A Level, Secondary | Raise an algebraic term to a positive integer power. | drfrostmaths.com/explorer.php?ssid=817 | https://www.youtube.com/embed/jb8juV8Y4JY | K439 |

K206g | A Level, Secondary | Expand a single bracket using index laws. | drfrostmaths.com/explorer.php?ssid=1360 | https://www.youtube.com/embed/7enGPIbj6kc | K435 |

E207 | Secondary, A Level | Exam Practice: Deal with negative indices. | drfrostmaths.com/explorer.php?ssid=57 | https://www.youtube.com/embed/RBPbRrHSCVs | E207 |

K207a | Secondary, A Level | Raise a number to a negative power. | drfrostmaths.com/explorer.php?ssid=648 | https://www.youtube.com/embed/nGRL49vG1PA | K436 |

K207b | A Level, Secondary | Raise a fraction to a negative power. | drfrostmaths.com/explorer.php?ssid=649 | https://www.youtube.com/embed/BRHrDcQEFao | K437 |

K207c | Secondary, A Level | Raise an algebraic term to a negative power. | drfrostmaths.com/explorer.php?ssid=818 | https://www.youtube.com/embed/vNLeaAm9UVU | K440 |

K207d | Secondary, A Level | Write a fraction with an algebraic term on the denominator as a power of x. | drfrostmaths.com/explorer.php?ssid=1621 | ||

E208 | Secondary, A Level | Exam Practice: Be able to express a power using a different base, e.g. 4^{6} = 2^{12}. | drfrostmaths.com/explorer.php?ssid=59 | https://www.youtube.com/embed/84dobFhaHJc | E208 |

K208a | Secondary, A Level | Express a power using a different base. | drfrostmaths.com/explorer.php?ssid=1726 | ||

K208b | Secondary, A Level | Use change of base to form a linear formula. | drfrostmaths.com/explorer.php?ssid=1188 | https://www.youtube.com/embed/oENEM7aB_FE | K767 |

K208c | A Level, Secondary | Write the product of powers in the form a^b by changing the base. | drfrostmaths.com/explorer.php?ssid=1522 | K721 | |

K208d | Secondary, A Level | Determine an unknown power e.g. 2^y = \frac{1}{8}. | drfrostmaths.com/explorer.php?ssid=823 | https://www.youtube.com/embed/_1RvkjNb5VM | K438 |

K208e | Secondary, A Level | Solve equations involving powers of the same base, leading to a linear equation. | drfrostmaths.com/explorer.php?ssid=1511 | K713 | |

E209 | Secondary | Exam Practice: Find a value before a percentage change or before a percentage was taken. | drfrostmaths.com/explorer.php?ssid=53 | https://www.youtube.com/embed/48KHVQJfwPc | E209 |

K209a | Secondary | Find a value before a percentage change. | drfrostmaths.com/explorer.php?ssid=744 | https://www.youtube.com/embed/BrpHQyMFI48 | K424 |

K209b | Secondary | Find a value before a percentage was taken. | drfrostmaths.com/explorer.php?ssid=745 | https://www.youtube.com/embed/aIcEnfI0hDY | K425 |

E210 | Secondary | Exam Practice: Calculate values after compound percentage changes, e.g. compound interest. | drfrostmaths.com/explorer.php?ssid=54 | https://www.youtube.com/embed/ldGnUUnEnAA | E210 |

K210a | Secondary | Calculate a value after a compound percentage increase. | drfrostmaths.com/explorer.php?ssid=884 | https://www.youtube.com/embed/tIlKzp8LwdQ | K427 |

K210b | Secondary | Calculate a value after a compound percentage decrease. | drfrostmaths.com/explorer.php?ssid=885 | https://www.youtube.com/embed/mY5ND_KZviY | K428 |

K210c | Secondary | Calculate a value after several compound percentage changes. | drfrostmaths.com/explorer.php?ssid=1773 | ||

E211 | Secondary | Exam Practice: Solve compound interest problems with unknown period or step percentage change. | drfrostmaths.com/explorer.php?ssid=510 | https://www.youtube.com/embed/ldGnUUnEnAA | E211 |

K211a | Secondary | Determine the number of years before a value increases to a given value given some known compound percentage increase. | drfrostmaths.com/explorer.php?ssid=887 | https://www.youtube.com/embed/4dicXO70m5Y | K429 |

K211b | Secondary | Determine the number of years before a value increases to some multiple given some known compound percentage increase. | drfrostmaths.com/explorer.php?ssid=886 | https://www.youtube.com/embed/kYXvKSB7_5s | K430 |

K211c | Secondary | Determine the value before a compound percentage change | drfrostmaths.com/explorer.php?ssid=1648 | ||

K211d | Secondary | Determine the value of the percentage during a compound percentage change. | drfrostmaths.com/explorer.php?ssid=1649 | ||

K211e | Secondary | TODO Determine each percentage change given a compound change and the start and end amounts. | drfrostmaths.com/explorer.php?ssid=1449 | K431 | |

E212 | Secondary | Exam Practice: Convert a normal number to standard form. | drfrostmaths.com/explorer.php?ssid=45 | https://www.youtube.com/embed/v2m_PKVVLwQ | E212 |

K212a | Secondary | Convert a large number to standard form. | drfrostmaths.com/explorer.php?ssid=789 | https://www.youtube.com/embed/S_3w3bpPQfM | K444 |

K212b | Secondary | Convert a small number to standard form. | drfrostmaths.com/explorer.php?ssid=1263 | https://www.youtube.com/embed/nsl2604P89o | K445 |

K212c | Secondary | Convert a number in the form a × 10^b to standard form. | drfrostmaths.com/explorer.php?ssid=790 | https://www.youtube.com/embed/0sWuPH0AIBQ | K447 |

E213 | Secondary | Exam Practice: Convert a number in standard form to a normal number. | drfrostmaths.com/explorer.php?ssid=46 | https://www.youtube.com/embed/3pUioUlapFw | E213 |

K213a | Secondary | Convert a number in standard form to a normal number. | drfrostmaths.com/explorer.php?ssid=791 | https://www.youtube.com/embed/KPcVaXrh198 | K446 |

K213b | Secondary | Order numbers in standard form. | drfrostmaths.com/explorer.php?ssid=1448 | K443 | |

E214 | Secondary | Exam Practice: Add or subtract numbers in standard form. | drfrostmaths.com/explorer.php?ssid=48 | https://www.youtube.com/embed/8ozX1iXs_GI | E214 |

K214a | Secondary | Add or subtract large numbers in standard form. | drfrostmaths.com/explorer.php?ssid=795 | https://www.youtube.com/embed/pdsE38Z8UmA | K448 |

K214b | Secondary | Add or subtract small numbers in standard form. | drfrostmaths.com/explorer.php?ssid=796 | https://www.youtube.com/embed/4XbZpicZ0Ng | K449 |

E215 | Secondary | Exam Practice: Multiply and divide numbers in standard form. | drfrostmaths.com/explorer.php?ssid=47 | https://www.youtube.com/embed/BWNWVZF41rA | E215 |

K215a | Secondary | Multiply numbers in standard form. | drfrostmaths.com/explorer.php?ssid=792 | https://www.youtube.com/embed/-Tt7_UTKfTM | K450 |

K215b | Secondary | Divide numbers in standard form with positive powers. | drfrostmaths.com/explorer.php?ssid=793 | https://www.youtube.com/embed/P-eRRr-6kF4 | K451 |

K215c | Secondary | Divide numbers in standard form with positive and negative powers. | drfrostmaths.com/explorer.php?ssid=794 | https://www.youtube.com/embed/wAF2i7JMh9w | K452 |

E216 | Secondary | Exam Practice: Calculate the upper and lower bound of rounded values or identify an error interval. | drfrostmaths.com/explorer.php?ssid=156 | https://www.youtube.com/embed/sfrT6b8QoXM | E216 |

K216a | Secondary | Calculate bounds of a number rounded to the nearest 1, 10, 100, 1000. | drfrostmaths.com/explorer.php?ssid=808 | https://www.youtube.com/embed/OwzB3rcsWR8 | K453 |

K216b | Secondary | Calculate bounds of a number rounded to a given number of decimal places. | drfrostmaths.com/explorer.php?ssid=809 | https://www.youtube.com/embed/2j9h0Y-DY-I | K454 |

K216c | Secondary | Calculate bounds of a number rounded to a given number of significant figures. | drfrostmaths.com/explorer.php?ssid=810 | https://www.youtube.com/embed/CsaqPmsDV3Q | K455 |

K216d | Secondary | Calculate bounds of a number truncated to a given number of decimal places. | drfrostmaths.com/explorer.php?ssid=1078 | https://www.youtube.com/embed/wQwj6sVOMzg | K458 |

K216e | Secondary | Find the error interval of a rounded number. | drfrostmaths.com/explorer.php?ssid=1120 | https://www.youtube.com/embed/4l6Q6IdYkQc | K456 |

E217 | Secondary | Exam Practice: Truncate a number to a given number of decimal places. | drfrostmaths.com/explorer.php?ssid=383 | https://www.youtube.com/embed/P9NVIheNOdw | E217 |

K217a | Secondary | Truncate a number to a given number of decimal places or to a whole number. | drfrostmaths.com/explorer.php?ssid=1396 | https://www.youtube.com/embed/OfTNgSg99_k | K457 |

E218 | Secondary | Exam Practice: Use lower and upper bounds within calculations to calculate a further lower/upper bound. | drfrostmaths.com/explorer.php?ssid=388 | https://www.youtube.com/embed/VqRVIEWAzQs | E218 |

K218a | Secondary | Calculate a further bound for a given formula involving a multiplication. | drfrostmaths.com/explorer.php?ssid=1080 | https://www.youtube.com/embed/o9KGaTJMM-w | K460 |

K218b | Secondary | Calculate a further bound for a given formula involving an addition. | drfrostmaths.com/explorer.php?ssid=1082 | https://www.youtube.com/embed/2OgeM3HwFA0 | K459 |

K218c | Secondary | Calculate a further bound for a given formula involving a subtraction. | drfrostmaths.com/explorer.php?ssid=1083 | https://www.youtube.com/embed/891T3-gSXgY | K461 |

K218d | Secondary | Calculate a further bound for a given formula involving a division. | drfrostmaths.com/explorer.php?ssid=1081 | https://www.youtube.com/embed/sN8gtyj-KcY | K462 |

K218e | Secondary | Calculate a further bound for a given formula involving multiple arithmetic operations. | drfrostmaths.com/explorer.php?ssid=1084 | https://www.youtube.com/embed/UkDv8UJL_L8 | K463 |

K218f | Secondary | Calculate a further bound and specify the value to a suitable degree of accuracy. | drfrostmaths.com/explorer.php?ssid=1138 | https://www.youtube.com/embed/k0_I-LN60u4 | K464 |

E219 | Secondary | Exam Practice: Construct Venn Diagrams. | drfrostmaths.com/explorer.php?ssid=358 | https://www.youtube.com/embed/7s8bN0J7jbE | E219 |

K219a | Secondary | Construct a Venn diagram with 2 sets. | drfrostmaths.com/explorer.php?ssid=1041 | https://www.youtube.com/embed/2426CiY-sOg | K465 |

K219b | Secondary | Construct a Venn diagram with 3 sets. | drfrostmaths.com/explorer.php?ssid=1133 | https://www.youtube.com/embed/_3PdqHV0qhk | K466 |

K219c | Secondary | Construct a Venn diagram with 2 sets from lists of elements | drfrostmaths.com/explorer.php?ssid=1626 | ||

E220 | Secondary | Exam Practice: Understand union, intersection and complements of sets, including the universal and empty sets. | drfrostmaths.com/explorer.php?ssid=359 | https://www.youtube.com/embed/4fu0NsDhc_g | E220 |

K220a | Secondary | Describe a shaded region on a Venn diagram using set notation. | drfrostmaths.com/explorer.php?ssid=1316 | https://www.youtube.com/embed/b1ZetSJaQkw | K467 |

K220b | Secondary | List elements using set notation. | drfrostmaths.com/explorer.php?ssid=1570 | K750 | |

K220c | Secondary | Find the number of elements in a set. | drfrostmaths.com/explorer.php?ssid=1571 | K751 | |

E221 | Secondary | Exam Practice: Convert from a fraction to a recurring decimal. | drfrostmaths.com/explorer.php?ssid=35 | https://www.youtube.com/embed/O04JAIm5HXY | E221 |

K221a | Secondary | Convert a fraction to a recurring decimal. | drfrostmaths.com/explorer.php?ssid=1572 | K752 | |

E222 | Secondary | Exam Practice: Convert from a recurring decimal to a fraction. | drfrostmaths.com/explorer.php?ssid=36 | https://www.youtube.com/embed/Je9sKSmPThE | E222 |

K222a | Secondary | Convert from a recurring decimal to a fraction with a single digit recurring. | drfrostmaths.com/explorer.php?ssid=821 | https://www.youtube.com/embed/LjQ5VmPx97U | K469 |

K222b | Secondary | Convert from a recurring decimal to a fraction with a 2 or more digits recurring. | drfrostmaths.com/explorer.php?ssid=830 | https://www.youtube.com/embed/wJfCuhrmIGA | K470 |

K222c | Secondary | Convert from a recurring decimal to a fraction where some digits don't recur. | drfrostmaths.com/explorer.php?ssid=831 | https://www.youtube.com/embed/_UufLnymjx8 | K471 |

E223 | Secondary | Exam Practice: Establish the constant of proportionality for variables which are directly or inversely proportional. | drfrostmaths.com/explorer.php?ssid=355 | https://www.youtube.com/embed/JVbNzRe0hKE | E223 |

K223a | Secondary | Establish the constant of proportionality for variables which are directly proportional. | drfrostmaths.com/explorer.php?ssid=811 | https://www.youtube.com/embed/xk497iF8MGE | K472 |

K223b | Secondary | Establish the constant of proportionality for variables which are directly proportional involving powers/roots. | drfrostmaths.com/explorer.php?ssid=846 | K473 | |

K223c | Secondary | Establish the constant of proportionality for variables which are inversely proportional. | drfrostmaths.com/explorer.php?ssid=812 | https://www.youtube.com/embed/qGfghjjASLQ | K474 |

K223d | Secondary | Establish the constant of proportionality for variables which are inversely proportional involving powers/roots. | drfrostmaths.com/explorer.php?ssid=847 | K475 | |

K223e | Secondary | Establish the constant of proportionality when 3 variables are involved. | drfrostmaths.com/explorer.php?ssid=1610 | ||

K223f | Secondary | Use the constant of proportionality for direct or inverse proportion involving a percentage change. | drfrostmaths.com/explorer.php?ssid=1510 | K975 | |

E224 | Secondary | Exam Practice: Explicitly enumerate all combinations. | drfrostmaths.com/explorer.php?ssid=65 | https://www.youtube.com/embed/cLvrDx-30Jo | E224 |

E225 | Secondary | Exam Practice: Appreciate that if different selections are independent, each with a number of choices, then the total number of combinations is the product of these. | drfrostmaths.com/explorer.php?ssid=64 | https://www.youtube.com/embed/slevVi3goQk | E225 |

K225a | Secondary | Use the product rule for counting. | drfrostmaths.com/explorer.php?ssid=1296 | https://www.youtube.com/embed/kv7OXIOuHn0 | K476 |

E226 | Secondary | Exam Practice: Use non-multiplicative approaches to counting, including case analysis. | drfrostmaths.com/explorer.php?ssid=385 | E226 | |

E227 | Secondary | Exam Practice: Interior and exterior angles of regular and irregular polygons. | drfrostmaths.com/explorer.php?ssid=332 | https://www.youtube.com/embed/wZo6cLD_Q2I | E227 |

K227a | Secondary | Find the angles sum of a polygon given its number of sides. | drfrostmaths.com/explorer.php?ssid=1609 | https://www.youtube.com/embed/o3dj4507i80 | |

K227b | Secondary | Find missing angles in a non-regular polygon. | drfrostmaths.com/explorer.php?ssid=659 | https://www.youtube.com/embed/OOuSFZK4ryU | K479 |

K227c | Secondary | Determine interior angles of a polygon where there is relationship given between some angles. | drfrostmaths.com/explorer.php?ssid=1945 | https://www.youtube.com/embed/PkAhSyTlkhs | |

K227d | Secondary | Find the size of the exterior angles of a regular polygon. | drfrostmaths.com/explorer.php?ssid=660 | https://www.youtube.com/embed/0EXed3gpzKw | K477 |

K227e | Secondary | Find the size of the interior angles of a regular polygon. | drfrostmaths.com/explorer.php?ssid=661 | https://www.youtube.com/embed/lJ1BYdhSgqI | K480 |

K227f | Secondary | Determine the remaining angle around a point where two or three polygons meet. | drfrostmaths.com/explorer.php?ssid=1946 | https://www.youtube.com/embed/RUNZkiKyRzs | |

K227g | Secondary | Determine an angle in a shape formed by using sides or extended sides of polygons. | drfrostmaths.com/explorer.php?ssid=1947 | https://www.youtube.com/embed/-MzEWzHaAjc | |

K227h | Secondary | Find the number of sides of a regular polygon given the size of its exterior angles. | drfrostmaths.com/explorer.php?ssid=662 | https://www.youtube.com/embed/eEbW5oHIwTo | K478 |

K227i | Secondary | Find the number of sides of a regular polygon given the size of its interior angles. | drfrostmaths.com/explorer.php?ssid=663 | https://www.youtube.com/embed/fp0m-vR-N8I | K481 |

K227j | Secondary | Determine the number of sides of a polygon given a ratio between its interior and exterior angles. | drfrostmaths.com/explorer.php?ssid=1948 | https://www.youtube.com/embed/A-RwMdunNCo | |

K227k | Secondary | Find angles in polygons within regular polygons. | drfrostmaths.com/explorer.php?ssid=1520 | https://www.youtube.com/embed/EPqYU_79-m8 | K719 |

K227l | Secondary | Determine regular polygons that would fit together with other regular polygons. | drfrostmaths.com/explorer.php?ssid=1949 | https://www.youtube.com/embed/BruBu9njsDQ | |

E228 | Secondary | Exam Practice: Solve 2D problems using Pythagoras' Theorem. | drfrostmaths.com/explorer.php?ssid=137 | https://www.youtube.com/embed/SaU9vS6HJEs | E228 |

K228a | Secondary | Use Pythagoras' theorem to calculate the hypotenuse of a right-angled triangle. | drfrostmaths.com/explorer.php?ssid=718 | https://www.youtube.com/embed/T3skFbe4xpc | K504 |

K228b | Secondary | Use Pythagoras' theorem to calculate a shorter side of a right-angled triangle. | drfrostmaths.com/explorer.php?ssid=719 | https://www.youtube.com/embed/zyC57rYvOxk | K505 |

K228c | Secondary | Use the converse of Pythagoras' theorem. | drfrostmaths.com/explorer.php?ssid=959 | K506 | |

K228d | Secondary | Use Pythagoras' theorem to find a length in an isosceles triangle. | drfrostmaths.com/explorer.php?ssid=1193 | https://www.youtube.com/embed/t3xeH4dYVg8 | K508 |

K228e | Secondary | Use Pythagoras' theorem to find the area of a triangle. | drfrostmaths.com/explorer.php?ssid=2014 | ||

K228f | Secondary | Use the area of a triangle to find a length. | drfrostmaths.com/explorer.php?ssid=2052 | ||

K228g | Secondary | Use Pythagoras' theorem twice for two triangles with a shared shorter side. | drfrostmaths.com/explorer.php?ssid=1226 | https://www.youtube.com/embed/I9CXO2wMOgY | K509 |

K228h | Secondary | Use Pythagoras' theorem twice where a hypotenuse and shorter length are shared. | drfrostmaths.com/explorer.php?ssid=1617 | ||

K228i | Secondary | Use Pythagoras' theorem twice where a right-angled triangle is inscribed into another. | drfrostmaths.com/explorer.php?ssid=1681 | ||

K228j | Secondary | 228g: Use Pythagoras' theorem to solve problem involving movement in cardinal directions. | drfrostmaths.com/explorer.php?ssid=2057 | ||

E229 | Secondary | Exam Practice: Find the distance between two points given their coordinates. | drfrostmaths.com/explorer.php?ssid=367 | https://www.youtube.com/embed/ubyFqGudR_s | E229 |

K229a | Secondary | Use Pythagoras' theorem to find the distance between two points. | drfrostmaths.com/explorer.php?ssid=788 | https://www.youtube.com/embed/wh_hKbKYUaY | K507 |

K229b | Secondary | Use Pythagoras' theorem to find the distance between two points in surd form. | drfrostmaths.com/explorer.php?ssid=1673 | https://www.youtube.com/embed/wh_hKbKYUaY | |

E230 | Secondary | Exam Practice: Solve problems involving 3D shapes using Pythagoras' Theorem. | drfrostmaths.com/explorer.php?ssid=138 | https://www.youtube.com/embed/hh1jZKSM4UE | E230 |

K230a | Secondary | Find a space diagonal of a cuboid using Pythagoras' theorem. | drfrostmaths.com/explorer.php?ssid=1194 | https://www.youtube.com/embed/v8BzZuBNQ40 | K511 |

K230b | Secondary | Find the length of a face diagonal in a cuboid using Pythagoras' theorem. | drfrostmaths.com/explorer.php?ssid=1195 | https://www.youtube.com/embed/rdMmCq3JIkA | K510 |

K230c | Secondary | Find a face diagonal of a prism using Pythagoras' theorem. | drfrostmaths.com/explorer.php?ssid=1671 | ||

E231 | Secondary | Exam Practice: Speed, distance and time. | drfrostmaths.com/explorer.php?ssid=155 | https://www.youtube.com/embed/J_r_TopXCME | E231 |

K231a | Secondary | Find the average speed given the distance and time. | drfrostmaths.com/explorer.php?ssid=739 | https://www.youtube.com/embed/hkF8L21LJrk | K512 |

K231b | Secondary | Find the distance given the average speed and time. | drfrostmaths.com/explorer.php?ssid=740 | https://www.youtube.com/embed/3y5aSr1qRhg | K513 |

K231c | Secondary | Find the time given the average speed and distance. | drfrostmaths.com/explorer.php?ssid=741 | https://www.youtube.com/embed/gCybJxJ4YKo | K514 |

K231d | Secondary | Find the average speed by combining two parts of a journey. | drfrostmaths.com/explorer.php?ssid=1399 | https://www.youtube.com/embed/Pwh-5dLKH4M | K515 |

K231e | Secondary | Solving speed distance time questions with unit conversions | drfrostmaths.com/explorer.php?ssid=1742 | ||

E232 | Secondary | Exam Practice: Pressure / Density / Rate of Flow | drfrostmaths.com/explorer.php?ssid=400 | https://www.youtube.com/embed/XZM9k8j1dOc | E232 |

K232a | Secondary | Find the density given the mass and the volume. | drfrostmaths.com/explorer.php?ssid=1289 | https://www.youtube.com/embed/H_o8tewYAjk | K517 |

K232b | Secondary | Find the mass given the density and the volume. | drfrostmaths.com/explorer.php?ssid=1290 | https://www.youtube.com/embed/eAzRq-9fRTQ | K518 |

K232c | Secondary | Find the volume given the density and the mass. | drfrostmaths.com/explorer.php?ssid=1291 | https://www.youtube.com/embed/f-ipLI__7DA | K519 |

K232d | Secondary | Solve problems involving two densities. | drfrostmaths.com/explorer.php?ssid=1445 | K516 | |

K232e | Secondary | Find the time to fill or empty a container given the rate of flow. | drfrostmaths.com/explorer.php?ssid=1577 | K756 | |

E233 | Secondary | Exam Practice: Dimensional Analysis | drfrostmaths.com/explorer.php?ssid=428 | E233 | |

E234 | Secondary | Exam Practice: Reflect a shape in a line with given equation. | drfrostmaths.com/explorer.php?ssid=6 | https://www.youtube.com/embed/NSPvXW6M3Ps | E234 |

K234a | Secondary | Reflect a shape in the x or y axis. | drfrostmaths.com/explorer.php?ssid=1370 | https://www.youtube.com/embed/rss8WsmX-RY | K275 |

K234b | Secondary | Reflect a shape against a vertical or horizontal line. | drfrostmaths.com/explorer.php?ssid=850 | https://www.youtube.com/embed/yijLg88zRAg | K489 |

K234c | Secondary | Reflect a shape against a diagonal line. | drfrostmaths.com/explorer.php?ssid=1475 | K490 | |

E235 | Secondary | Exam Practice: Describe a reflection. | drfrostmaths.com/explorer.php?ssid=7 | https://www.youtube.com/embed/wZmdzlsnkJ4 | E235 |

K235a | Secondary | Describe a reflection in a vertical or horizontal line. | drfrostmaths.com/explorer.php?ssid=852 | https://www.youtube.com/embed/0ffVS3ijEd0 | K491 |

K235b | Secondary | Describe a reflection in a diagonal line. | drfrostmaths.com/explorer.php?ssid=853 | https://www.youtube.com/embed/_s25lIaNJ6Q | K492 |

E236 | Secondary | Exam Practice: Describe an enlargement for a fractional or negative scale factor. | drfrostmaths.com/explorer.php?ssid=578 | E236 | |

K236a | Secondary | Describe an enlargement with a fractional scale factor. | drfrostmaths.com/explorer.php?ssid=859 | https://www.youtube.com/embed/J7xIqspTw3Q | K495 |

K236b | Secondary | Describe an enlargement with a negative scale factor. | drfrostmaths.com/explorer.php?ssid=860 | https://www.youtube.com/embed/QmvCjLPx7zE | K496 |

E237 | Secondary | Exam Practice: Enlarge a shape by a fractional or negative scale factor. | drfrostmaths.com/explorer.php?ssid=579 | E237 | |

K237a | Secondary | Enlarge a shape by a negative scale factor. | drfrostmaths.com/explorer.php?ssid=804 | https://www.youtube.com/embed/K45RrS0NvTM | K493 |

K237b | Secondary | Enlarge a shape by an fractional scale factor. | drfrostmaths.com/explorer.php?ssid=805 | https://www.youtube.com/embed/OtXz8iA2Zxs | K494 |

K237c | Secondary | Enlarge a shape by a negative and fractional scale factor. | drfrostmaths.com/explorer.php?ssid=1427 | https://www.youtube.com/embed/EPeLMNMX590 | K497 |

E238 | Secondary | Exam Practice: Further terms in relation to circles, including chord and segment. | drfrostmaths.com/explorer.php?ssid=130 | https://www.youtube.com/embed/KtvUWq_6ji0 | E238 |

K238a | Secondary | Know key terms in relation to circles. | drfrostmaths.com/explorer.php?ssid=1050 | https://www.youtube.com/embed/-FYqvODpFzY | K295 |

E239 | Secondary | Exam Practice: Find the arc length of more general sectors. | drfrostmaths.com/explorer.php?ssid=370 | https://www.youtube.com/embed/ftfKqYOV1pU | E239 |

K239a | Secondary | Find the arc length of a sector of a circle. | drfrostmaths.com/explorer.php?ssid=1544 | https://www.youtube.com/embed/Z2TX1j6L6Lc | K739 |

K239b | Secondary | Find the perimeter of a sector of a circle. | drfrostmaths.com/explorer.php?ssid=721 | https://www.youtube.com/embed/KG7TmtN5LoM | K498 |

K239c | Secondary | Find the angle of a sector given its arc length and radius. | drfrostmaths.com/explorer.php?ssid=786 | https://www.youtube.com/embed/_p69pN_x4rU | K500 |

K239d | Secondary | Find the radius of a sector given its arc length and angle. | drfrostmaths.com/explorer.php?ssid=785 | https://www.youtube.com/embed/4ONZUnSTTRY | K499 |

E240 | Secondary | Exam Practice: Find the area of more general sectors. | drfrostmaths.com/explorer.php?ssid=575 | E240 | |

K240a | Secondary | Find the area of the sector of a circle. | drfrostmaths.com/explorer.php?ssid=720 | https://www.youtube.com/embed/VQ2oYjLIGlM | K501 |

K240b | Secondary | Find the angle of a sector given its area and radius. | drfrostmaths.com/explorer.php?ssid=787 | https://www.youtube.com/embed/ECTZMzpGf5I | K503 |

K240c | Secondary | Find the radius of a sector given its area and angle. | drfrostmaths.com/explorer.php?ssid=784 | https://www.youtube.com/embed/j2LnyqJlCXU | K502 |

E241 | Secondary | Exam Practice: Determine the length of sides in a right-angled triangle using trigonometry. | drfrostmaths.com/explorer.php?ssid=147 | https://www.youtube.com/embed/r6xuUjwyKek | E241 |

K241a | Secondary | Label sides relative to a given angle in a right-angled triangle. | drfrostmaths.com/explorer.php?ssid=729 | https://www.youtube.com/embed/kcL9jUuWT1o | K482 |

K241b | Secondary | Select a trigonometric ratio. | drfrostmaths.com/explorer.php?ssid=1536 | K732 | |

K241c | Secondary | Use sin, cos and tan to find an unknown shorter length in a right-angled triangle. | drfrostmaths.com/explorer.php?ssid=591 | https://www.youtube.com/embed/EybxUCj6yW0 | K483 |

K241d | Secondary | Use sin, cos and tan to find the hypotenuse or adjacent side in a right-angled triangle. | drfrostmaths.com/explorer.php?ssid=730 | https://www.youtube.com/embed/2TsUAaz5X-c | K484 |

K241e | Secondary | Use Pythagoras' theorem then trigonometry to find a missing side. | drfrostmaths.com/explorer.php?ssid=1227 | https://www.youtube.com/embed/HmL6V_LDHsA | K485 |

K241f | Secondary | Determine a length in a right-angled triangle by first using a ratio to determine the angles. | drfrostmaths.com/explorer.php?ssid=1725 | ||

K241g | Secondary | Determine lengths involving angles of depression or elevation. | drfrostmaths.com/explorer.php?ssid=1952 | ||

K241h | Secondary | Use trigonometry to determine the perimeter or a length within a trapezium. | drfrostmaths.com/explorer.php?ssid=1953 | ||

K241i | Secondary | Use trigonometry to determine the area of a right-angled triangle. | drfrostmaths.com/explorer.php?ssid=1954 | ||

K241j | Secondary | Use trigonometry to determine the area of an isosceles triangle. | drfrostmaths.com/explorer.php?ssid=1955 | ||

K241k | Secondary | Determine a length within one triangle inscribed inside another. | drfrostmaths.com/explorer.php?ssid=1956 | ||

K241l | Secondary | Determine the area of an isosceles triangle with an inscribed circle. | drfrostmaths.com/explorer.php?ssid=1957 | ||

K241m | Secondary | Use trigonometry to determine the area enclosed between two tangents of a circle. | drfrostmaths.com/explorer.php?ssid=1958 | ||

K241n | Secondary | Determine both other lengths of a right-angled triangle to calculate the perimeter of a compound shape. | drfrostmaths.com/explorer.php?ssid=1959 | ||

K241o | Secondary | test | drfrostmaths.com/explorer.php?ssid=1960 | ||

K241p | Secondary | test crp | drfrostmaths.com/explorer.php?ssid=1961 | ||

E242 | Secondary | Exam Practice: Determine angles in a right-angled triangle using trigonometry. | drfrostmaths.com/explorer.php?ssid=148 | https://www.youtube.com/embed/5brkGmejvqU | E242 |

K242a | Secondary | Use inverse trigonometric functions to solve \sin x = a using a calculator. | drfrostmaths.com/explorer.php?ssid=1759 | ||

K242b | Secondary | Use trigonometry to find unknown angles in a right-angled triangle. | drfrostmaths.com/explorer.php?ssid=731 | https://www.youtube.com/embed/daP8ZMdCoyk | K486 |

K242c | Secondary | Use Pythagoras' theorem then trigonometry to find a missing angle. | drfrostmaths.com/explorer.php?ssid=1225 | https://www.youtube.com/embed/d6W2CzbyKos | K487 |

K242d | Secondary | Use trigonometry to find angles of elevations and depressions. | drfrostmaths.com/explorer.php?ssid=1675 | ||

E243 | Secondary | Exam Practice: Determine the exact values of certain trigonometric angles, e.g. sin(30). | drfrostmaths.com/explorer.php?ssid=152 | https://www.youtube.com/embed/7t_SK-wJfFI | E243 |

K243a | Secondary | Know exact trigonometric ratios. | drfrostmaths.com/explorer.php?ssid=822 | https://www.youtube.com/embed/ojmP7GLS5Q4 | K488 |

E244 | Secondary | Exam Practice: Solve problems involving finding lengths in similar shapes. | drfrostmaths.com/explorer.php?ssid=139 | https://www.youtube.com/embed/DJfaDL9JPyo | E244 |

K244a | Secondary | Find unknown lengths given two separate similar shapes. | drfrostmaths.com/explorer.php?ssid=734 | https://www.youtube.com/embed/wlWIGPNbU1k | K520 |

K244b | Secondary | Find unknown lengths given two similar triangles with one vertex in common. | drfrostmaths.com/explorer.php?ssid=728 | https://www.youtube.com/embed/ZtX87R6zgDM | K521 |

K244c | Secondary | Find unknown lengths given two similar shapes where one is inscribed the other. | drfrostmaths.com/explorer.php?ssid=732 | https://www.youtube.com/embed/rCUh4spSAhM | K522 |

K244d | Secondary | Find unknown lengths given two similar shapes where one is inscribed the other and requires subtraction. | drfrostmaths.com/explorer.php?ssid=733 | https://www.youtube.com/embed/j7lxlY9Wdw0 | K523 |

E245 | Secondary | Exam Practice: Understand relationship between scale factors of length, area and volume. | drfrostmaths.com/explorer.php?ssid=140 | https://www.youtube.com/embed/ao0GmorAq3I | E245 |

K245a | Secondary | Relationship between scale factors of length and area. | drfrostmaths.com/explorer.php?ssid=824 | https://www.youtube.com/embed/efHHb2-wUnI | K524 |

K245b | Secondary | Relationship between scale factors of length and volume. | drfrostmaths.com/explorer.php?ssid=826 | https://www.youtube.com/embed/SoMC_burbac | K525 |

K245c | Secondary | Find the surface area of a similar solid when the volumes are given. | drfrostmaths.com/explorer.php?ssid=825 | https://www.youtube.com/embed/bCvYK5ba4Ug | K526 |

K245d | Secondary | Find the volume of a similar solid when the surface areas are given. | drfrostmaths.com/explorer.php?ssid=827 | https://www.youtube.com/embed/u411Iper_bM | K527 |

K245e | Secondary | Find the surface area/volume of a similar solid when the scale factor of surface area/volume is given in ratio form. | drfrostmaths.com/explorer.php?ssid=828 | https://www.youtube.com/embed/cYFDbET1njU | K528 |

E246 | Secondary | Exam Practice: Convert between units of area and volume. | drfrostmaths.com/explorer.php?ssid=154 | https://www.youtube.com/embed/6xEMe5M9VJg | E246 |

K246a | Secondary | Convert metric units of area by multiplying. | drfrostmaths.com/explorer.php?ssid=1211 | https://www.youtube.com/embed/FxRCoWfVt_E | K529 |

K246b | Secondary | Convert metric units of area by dividing. | drfrostmaths.com/explorer.php?ssid=1212 | https://www.youtube.com/embed/Y4McxXelJvw | K530 |

K246c | Secondary | Convert metric units of volume by multiplying. | drfrostmaths.com/explorer.php?ssid=1213 | https://www.youtube.com/embed/e2v1ZyfhmIE | K531 |

K246d | Secondary | Convert metric units of volume by dividing. | drfrostmaths.com/explorer.php?ssid=1214 | https://www.youtube.com/embed/lizhx89P7Ug | K532 |

K246e | Secondary | Convert from units of capacity to units of volume. | drfrostmaths.com/explorer.php?ssid=1282 | K135 | |

K246f | Secondary | Convert from units of volume to units of capacity. | drfrostmaths.com/explorer.php?ssid=1283 | K134 | |

E247 | Secondary | Exam Practice: Construct a variety of shapes, angle bisectors and perpendicular bisectors. | drfrostmaths.com/explorer.php?ssid=131 | https://www.youtube.com/embed/b35saVAV21o | E247 |

K247a | Secondary | TODO Construct a triangle using compasses. | drfrostmaths.com/explorer.php?ssid=1126 | K703 | |

K247b | Secondary | Construct a triangle given 2 angles and a side (ASA). | drfrostmaths.com/explorer.php?ssid=1353 | K535 | |

K247c | Secondary | Construct the perpendicular bisector of a line. | drfrostmaths.com/explorer.php?ssid=1127 | K533 | |

K247d | Secondary | Construct the bisector of an angle. | drfrostmaths.com/explorer.php?ssid=1128 | K534 | |

K247e | Secondary | Construct a line perpendicular to another line, passing through a given point. | drfrostmaths.com/explorer.php?ssid=1415 | K536 | |

K247f | Secondary | Construct a line perpendicular to another line, passing through a given point on the line. | drfrostmaths.com/explorer.php?ssid=1416 | K537 | |

E248 | Secondary | Exam Practice: Loci. | drfrostmaths.com/explorer.php?ssid=133 | E248 | |

K248a | Secondary | Find the locus of the points away from two given points. | drfrostmaths.com/explorer.php?ssid=1411 | K538 | |

K248b | Secondary | Find the locus of the points away from at least two line segments. | drfrostmaths.com/explorer.php?ssid=1412 | K539 | |

K248c | Secondary | Find the locus of the points away from a point and a line segment. | drfrostmaths.com/explorer.php?ssid=1413 | K540 | |

K248d | Secondary | TODO Find the locus of the points away from a shape. | drfrostmaths.com/explorer.php?ssid=1469 | K541 | |

K248e | Secondary | TODO Find the locus of the points equidistant from 2 points. | drfrostmaths.com/explorer.php?ssid=1470 | K542 | |

E249 | Secondary | Exam Practice: Draw the front elevation, side elevation or plan of a 3D shape. | drfrostmaths.com/explorer.php?ssid=402 | https://www.youtube.com/embed/LAtTeUmSBBE | E249 |

K249a | Secondary | Draw the front elevation, side elevation or plan of a 3D shape. | drfrostmaths.com/explorer.php?ssid=1014 | https://www.youtube.com/embed/pqD0Obttzyc | K545 |

K249b | Secondary | Identify a 3D shape from its net. | drfrostmaths.com/explorer.php?ssid=1116 | K336 | |

K249c | Secondary | Find the number of edges, faces and vertices of a 3D shape given its net. | drfrostmaths.com/explorer.php?ssid=1473 | K337 | |

E250 | Secondary | Exam Practice: Understand map scales. | drfrostmaths.com/explorer.php?ssid=132 | https://www.youtube.com/embed/6H_h_YrLf-M | E250 |

K250a | Secondary | Use a map scale to find an actual distance. | drfrostmaths.com/explorer.php?ssid=1376 | https://www.youtube.com/embed/61MN_RknWA4 | K543 |

K250b | Secondary | Use a map scale in the form 1:n to find an actual distance. | drfrostmaths.com/explorer.php?ssid=1377 | https://www.youtube.com/embed/jgwxNzCUW14 | K544 |

K250c | Secondary | Simplifying ratios when the units are different. | drfrostmaths.com/explorer.php?ssid=1569 | K749 | |

K250d | Secondary | Find an actual area given an area on the map. | drfrostmaths.com/explorer.php?ssid=1575 | K754 | |

K250e | Secondary | Find an area on a map given the actual area. | drfrostmaths.com/explorer.php?ssid=1576 | K755 | |

E251 | Secondary | Exam Practice: Construct velocity-time graphs. | drfrostmaths.com/explorer.php?ssid=396 | E251 | |

K251a | Secondary | Draw a velocity-time graph. | drfrostmaths.com/explorer.php?ssid=1061 | https://www.youtube.com/embed/t_SHL6gNU9w | K860 |

E252 | A Level, Secondary | Exam Practice: Determine the exact distance from a velocity-time graph. | drfrostmaths.com/explorer.php?ssid=399 | https://www.youtube.com/embed/B0PoSe0iD-w | E252 |

K252a | A Level, Secondary | Find the displacement from a velocity-time graph. | drfrostmaths.com/explorer.php?ssid=1063 | K861 | |

K252b | Secondary, A Level | Determine the exact distance from a velocity-time graph. | drfrostmaths.com/explorer.php?ssid=1065 | https://www.youtube.com/embed/j4-6kbB5XZ0 | K546 |

K252c | Secondary, A Level | Find the time on a velocity-time graph given the total displacement. | drfrostmaths.com/explorer.php?ssid=1067 | K862 | |

E253 | Secondary | Exam Practice: Estimate distance from a curved velocity-time graph by use of trapeziums. | drfrostmaths.com/explorer.php?ssid=401 | https://www.youtube.com/embed/VxPXdHipOrE | E253 |

K253a | Secondary | Estimate the distance using a velocity-time graph, where the strips are drawn. | drfrostmaths.com/explorer.php?ssid=1410 | https://www.youtube.com/embed/JuLqkQ2HaCg | K547 |

K253b | Secondary | Estimate the distance using a velocity-time graph, where the strips are not drawn. | drfrostmaths.com/explorer.php?ssid=1409 | https://www.youtube.com/embed/JuLqkQ2HaCg | K548 |

E254 | Secondary | Exam Practice: Estimate the gradient of a curve at a given point. | drfrostmaths.com/explorer.php?ssid=422 | https://www.youtube.com/embed/5JI780BoDzU | E254 |

K254a | Secondary | Estimate the gradient of a curve at a given point. | drfrostmaths.com/explorer.php?ssid=1145 | K550 | |

E255 | Secondary, A Level | Exam Practice: Determine the acceleration from a velocity-time graph. | drfrostmaths.com/explorer.php?ssid=398 | https://www.youtube.com/embed/EO5sKe8I0gU | E255 |

K255a | A Level, Secondary | TODO Determine the acceleration from a velocity-time graph. | drfrostmaths.com/explorer.php?ssid=1160 | K551 | |

E256 | Secondary | Exam Practice: Quartiles from listed data. | drfrostmaths.com/explorer.php?ssid=341 | https://www.youtube.com/embed/JZWRp2ANCg0 | E256 |

K256a | Secondary | Find quartiles of listed data. | drfrostmaths.com/explorer.php?ssid=1398 | https://www.youtube.com/embed/d1jUs4FceAQ | K552 |

K256b | Secondary | Find the interquartile range of listed data. | drfrostmaths.com/explorer.php?ssid=1422 | https://www.youtube.com/embed/uXT0v3Zx6uk | K553 |

K256c | Secondary | Determine the upper and lower quartiles from a stem-and-leaf diagram. | drfrostmaths.com/explorer.php?ssid=1439 | K554 | |

K256d | Secondary | Determine the interquartile range from a stem-and-leaf diagram. | drfrostmaths.com/explorer.php?ssid=1758 | ||

E257 | Secondary, A Level | Exam Practice: Cumulative Frequency Graphs | drfrostmaths.com/explorer.php?ssid=344 | https://www.youtube.com/embed/sfxNFPWfn14 | E257 |

K257a | A Level, Secondary | Draw a cumulative frequency graph given a cumulative frequency table. | drfrostmaths.com/explorer.php?ssid=815 | https://www.youtube.com/embed/pKH4XjD4S9M | K557 |

K257b | Secondary, A Level | Draw a cumulative frequency graph given a frequency table. | drfrostmaths.com/explorer.php?ssid=816 | https://www.youtube.com/embed/mhvDfyc_IIM | K558 |

K257c | Secondary, A Level | Use a cumulative frequency graph to estimate the median. | drfrostmaths.com/explorer.php?ssid=839 | https://www.youtube.com/embed/4yQck0Or7Pk | K559 |

K257d | Secondary, A Level | Use a cumulative frequency graph to estimate the interquartile range. | drfrostmaths.com/explorer.php?ssid=840 | https://www.youtube.com/embed/K2G-hEvhHtM | K560 |

K257e | Secondary, A Level | Use a cumulative frequency graph to estimate values. | drfrostmaths.com/explorer.php?ssid=1076 | https://www.youtube.com/embed/9stxtowIyKk | K561 |

E258 | Secondary | Exam Practice: Box plots (excluding outliers). | drfrostmaths.com/explorer.php?ssid=345 | https://www.youtube.com/embed/lIcj_NjZlZU | E258 |

K258a | Secondary | Interpret a box plot. | drfrostmaths.com/explorer.php?ssid=898 | https://www.youtube.com/embed/e3SPUZLszRY | K555 |

K258b | Secondary | Draw a box plot. | drfrostmaths.com/explorer.php?ssid=1039 | https://www.youtube.com/embed/deNsGhWY-8A | K556 |

K258c | Secondary | Draw a box plot from a cumulative frequency diagram. | drfrostmaths.com/explorer.php?ssid=1750 | ||

K258d | Secondary | Compare two box plots. | drfrostmaths.com/explorer.php?ssid=1811 | ||

E259 | A Level, Secondary | Exam Practice: Independent and successive independent events (including tree diagrams). | drfrostmaths.com/explorer.php?ssid=347 | https://www.youtube.com/embed/yJva4ph-KEE | E259 |

K259a | A Level, Secondary | Draw a tree diagram to represent successive independent events. | drfrostmaths.com/explorer.php?ssid=861 | https://www.youtube.com/embed/aqZwLt7iUBY | K562 |

K259b | Secondary, A Level | Deal with a single chain of outcomes involving successive independent events. | drfrostmaths.com/explorer.php?ssid=863 | https://www.youtube.com/embed/KIDSG4W6IFI | K563 |

K259c | Secondary, A Level | Deal with multiple different chains of outcomes involving successive independent events. | drfrostmaths.com/explorer.php?ssid=864 | https://www.youtube.com/embed/MT2nJf01-YM | K564 |

K259d | Secondary, A Level | Find probabilities of independent events. | drfrostmaths.com/explorer.php?ssid=1234 | https://www.youtube.com/embed/2FXHYuJG3no | K846 |

K259e | Secondary, A Level | Determine whether two events are independent given probabilities. | drfrostmaths.com/explorer.php?ssid=1190 | https://www.youtube.com/embed/rwlJnamNH5s | K849 |

E260 | A Level, Secondary | Exam Practice: Successive dependent events, i.e. sampling without replacement (including tree diagrams). | drfrostmaths.com/explorer.php?ssid=349 | https://www.youtube.com/embed/UMKClPTcOzo | E260 |

K260a | A Level, Secondary | Draw a tree diagram to represent successive dependent events. | drfrostmaths.com/explorer.php?ssid=862 | https://www.youtube.com/embed/D50XkefUMFs | K565 |

K260b | A Level, Secondary | Deal with a single chain of outcomes involving successive dependent events. | drfrostmaths.com/explorer.php?ssid=865 | https://www.youtube.com/embed/u8lbulZL7Ls | K566 |

K260c | A Level, Secondary | Deal with multiple different chains of outcomes involving successive dependent events. | drfrostmaths.com/explorer.php?ssid=866 | https://www.youtube.com/embed/0tr0NuPj39E | K567 |

K260d | A Level, Secondary | Find the probability of successive events by grouping outcomes (e.g. into odd and even). | drfrostmaths.com/explorer.php?ssid=1687 | https://www.youtube.com/embed/quUtSdw-em8 | |

E261 | A Level, Secondary | Exam Practice: Determine probabilities from Venn Diagrams. | drfrostmaths.com/explorer.php?ssid=303 | E261 | |

K261a | A Level, Secondary | Calculate probabilities using a Venn diagram with 2 sets. | drfrostmaths.com/explorer.php?ssid=1538 | K734 | |

K261b | Secondary, A Level | Calculate probabilities using a Venn diagram with 3 sets. | drfrostmaths.com/explorer.php?ssid=1539 | K735 | |

K261c | Secondary, A Level | Calculate probabilities by drawing a Venn diagram with 2 sets. | drfrostmaths.com/explorer.php?ssid=1342 | https://www.youtube.com/embed/-88kdSHqXQU | K568 |

K261d | Secondary, A Level | Calculate probabilities by drawing a Venn diagram with 3 sets. | drfrostmaths.com/explorer.php?ssid=1344 | K569 | |

K261e | Secondary, A Level | Use set notation to calculate probabilities. | drfrostmaths.com/explorer.php?ssid=1134 | https://www.youtube.com/embed/7zaJTqVeDO4 | K468 |

K261f | Secondary, A Level | Use set notation to calculate probabilities from a Venn filled with elements. | drfrostmaths.com/explorer.php?ssid=1632 | ||

K261g | Secondary, A Level | Determine whether two events are independent given a Venn diagram. | drfrostmaths.com/explorer.php?ssid=1297 | K850 | |

E262 | Secondary | Exam Practice: Change the subject of a formula where the subject appears multiple times. | drfrostmaths.com/explorer.php?ssid=15 | https://www.youtube.com/embed/AtoHt5-jpFk | E262 |

K262a | Secondary | Change the subject of a formula where the subject appears on the same side twice. | drfrostmaths.com/explorer.php?ssid=980 | https://www.youtube.com/embed/UYeklmx3f4o | K572 |

K262b | Secondary | Change the subject of a formula where the subject appears on both sides. | drfrostmaths.com/explorer.php?ssid=981 | https://www.youtube.com/embed/NTNj__TosfI | K573 |

K262c | Secondary | Change the subject of a formula where the subject appears twice on a fraction. | drfrostmaths.com/explorer.php?ssid=982 | https://www.youtube.com/embed/5ehDvtjZi-o | K574 |

K262d | Secondary | Change the subject of a formula where the subject appears twice with a square root. | drfrostmaths.com/explorer.php?ssid=983 | https://www.youtube.com/embed/Qx6iYTwLqLo | K575 |

K262e | Secondary | Change the subject of the formula with multiple fractions, where the subject is in a denominator. | drfrostmaths.com/explorer.php?ssid=1623 | https://www.youtube.com/embed/a-gZnDHGqVc | |

E263 | Secondary, A Level | Exam Practice: Know the relationship between the gradients of perpendicular lines. | drfrostmaths.com/explorer.php?ssid=94 | https://www.youtube.com/embed/zEHxOjR7mmQ | E263 |

K263a | A Level, Secondary | Determine whether two lines are perpendicular given their equations (no rearrangement). | drfrostmaths.com/explorer.php?ssid=1379 | https://www.youtube.com/embed/-pqSlgOR0lk | K576 |

K263b | Secondary, A Level | Determine whether two lines are perpendicular given their equations (rearrangement required). | drfrostmaths.com/explorer.php?ssid=1380 | https://www.youtube.com/embed/ZowrDc5jZrg | K577 |

K263c | Secondary, A Level | Find the gradient of a line perpendicular to another given its gradient. | drfrostmaths.com/explorer.php?ssid=1647 | ||

K263d | Secondary, A Level | Find an equation of a line perpendicular to another. | drfrostmaths.com/explorer.php?ssid=737 | https://www.youtube.com/embed/eC9uFJy84uw | K578 |

E264 | Secondary, A Level | Exam Practice: Determine the equation of a tangent to a circle. | drfrostmaths.com/explorer.php?ssid=389 | https://www.youtube.com/embed/N1j0BmTxwVM | E264 |

K264a | Secondary, A Level | Find the equation of a tangent to a circle. | drfrostmaths.com/explorer.php?ssid=1404 | https://www.youtube.com/embed/5nlVm8NXrTM | K579 |

K264b | Secondary, A Level | Determine the x-intercept or y-intercept of a tangent to a circle. | drfrostmaths.com/explorer.php?ssid=1977 | https://www.youtube.com/embed/pCMQ-WgftWs | |

K264c | Secondary, A Level | Determine the area of a triangle formed by a tangent to a circle. | drfrostmaths.com/explorer.php?ssid=1978 | https://www.youtube.com/embed/gWg3YgSdxEs | |

E265 | A Level, Secondary | Exam Practice: Solve quadratic equations by factorisation. | drfrostmaths.com/explorer.php?ssid=16 | https://www.youtube.com/embed/Idk4R_baULA | E265 |

K265a | A Level, Secondary | Solve quadratic equations in the form (ax+b)(cx+d)=0. | drfrostmaths.com/explorer.php?ssid=1642 | ||

K265b | A Level, Secondary | Solve quadratics in the form x^2 + bx + c = 0, solvable by factorisation. | drfrostmaths.com/explorer.php?ssid=769 | https://www.youtube.com/embed/dufVWiyZkN0 | K615 |

K265c | A Level, Secondary | Solve quadratics in the form x^2 + bx + c = 0 requiring rearrangement and factorising. | drfrostmaths.com/explorer.php?ssid=771 | K616 | |

K265d | Secondary, A Level | Solve quadratics of the form ax^2 + bx + c = 0, requiring factorising. | drfrostmaths.com/explorer.php?ssid=868 | K617 | |

K265e | A Level, Secondary | Solve quadratics of the form ax^2 + bx + c = 0, requiring rearrangement and factorising. | drfrostmaths.com/explorer.php?ssid=774 | https://www.youtube.com/embed/VLOv7xVTUiM | K618 |

E266 | A Level, Secondary | Exam Practice: Complete the square to put an expression in the form (x+a)^{2} + b | drfrostmaths.com/explorer.php?ssid=107 | https://www.youtube.com/embed/sQooemMboCw | E266 |

K266a | Secondary, A Level | Complete the square for quadratics of the form x^2 + bx + c where b is even. | drfrostmaths.com/explorer.php?ssid=748 | https://www.youtube.com/embed/GN0Kya1KV4s | K580 |

K266b | Secondary, A Level | Complete the square for quadratics of the form x^2 + bx + c where b is odd. | drfrostmaths.com/explorer.php?ssid=1753 | https://www.youtube.com/embed/k0wVpJqUAZU | |

K266c | Secondary, A Level | Complete the square for quadratics of the form x^2 + bx + c, where b is algebraic. | drfrostmaths.com/explorer.php?ssid=1611 | https://www.youtube.com/embed/CdMU81O84Is | |

E267 | A Level, Secondary | Exam Practice: Solve quadratic equations by using the quadratic formula. | drfrostmaths.com/explorer.php?ssid=109 | https://www.youtube.com/embed/q0vb8ybymKI | E267 |

K267a | Secondary, A Level | Solve a quadratic equation to get exact solutions. | drfrostmaths.com/explorer.php?ssid=782 | https://www.youtube.com/embed/m6BTCVHtKak | K619 |

K267b | A Level, Secondary | Solve a quadratic equation using the formula or completing the square to get numerical solutions. | drfrostmaths.com/explorer.php?ssid=783 | https://www.youtube.com/embed/m6BTCVHtKak | K620 |

E268 | Secondary | Exam Practice: Solve quadratic equations by completing the square. | drfrostmaths.com/explorer.php?ssid=110 | https://www.youtube.com/embed/Ypo9PKsiD8k | E268 |

K268a | Secondary | Solve a quadratic when given in completed square form. | drfrostmaths.com/explorer.php?ssid=1720 | ||

E269 | Secondary | Exam Practice: Form quadratic or non-linear equations from context (excluding probability problems). | drfrostmaths.com/explorer.php?ssid=499 | E269 | |

K269a | Secondary | Form a quadratic equation from the area of a rectangle. | drfrostmaths.com/explorer.php?ssid=1662 | https://www.youtube.com/embed/YM39s9xWowk | |

K269b | Secondary | Form a quadratic equation from the area of a trapezium. | drfrostmaths.com/explorer.php?ssid=1664 | https://www.youtube.com/embed/xh6ZvbsG7mM | |

K269c | Secondary | (269b)Form a quadratic equation from a right angled triangle | drfrostmaths.com/explorer.php?ssid=1656 | ||

K269d | Secondary | Form a quadratic equation for the area of a trapezium inside a rectangle | drfrostmaths.com/explorer.php?ssid=1657 | ||

E270 | Secondary, A Level | Exam Practice: Complete the square to put an expression in the form a(x+b)^{2} + c | drfrostmaths.com/explorer.php?ssid=509 | https://www.youtube.com/embed/sQooemMboCw | E270 |

K270a | A Level, Secondary | Complete the square for quadratics of the form ax^2 + bx + c. | drfrostmaths.com/explorer.php?ssid=749 | https://www.youtube.com/embed/MmkHaxbtEE4 | K581 |

K270b | A Level, Secondary | Complete the square for quadratics of the form ax^2 + bx + c, where a is negative. | drfrostmaths.com/explorer.php?ssid=1015 | https://www.youtube.com/embed/697lfJeyOaw | K768 |

E271 | A Level, Secondary, A Level | Exam Practice: Identify the minimum or maximum point of a quadratic graph by completing the square. | drfrostmaths.com/explorer.php?ssid=106 | https://www.youtube.com/embed/bIH8FVngi2U | E271 |

K271a | A Level, Secondary, A Level | Find the minimum point of a quadratic graph when given in completed the square form. | drfrostmaths.com/explorer.php?ssid=1714 | ||

K271b | Secondary, A Level, A Level | State quadratic given the maximum or minimum point. | drfrostmaths.com/explorer.php?ssid=1716 | ||

K271c | A Level, A Level, Secondary | Find the maximum point of a quadratic graph when given in completed the square form. | drfrostmaths.com/explorer.php?ssid=1715 | ||

K271d | A Level, A Level, Secondary | Find the minimum point of a quadratic graph. | drfrostmaths.com/explorer.php?ssid=772 | https://www.youtube.com/embed/aa7pD91Krkg | K582 |

K271e | Secondary, A Level, A Level | Find the maximum point of a quadratic graph. | drfrostmaths.com/explorer.php?ssid=844 | https://www.youtube.com/embed/ndlOa7VQs34 | K583 |

K271f | A Level, Secondary, A Level | Find the line of symmetry of a quadratic graph. | drfrostmaths.com/explorer.php?ssid=1418 | https://www.youtube.com/embed/WCjWYMfQNmQ | K584 |

K271g | A Level, Secondary, A Level | Sketch a quadratic graph, including its intercepts and turning point. | drfrostmaths.com/explorer.php?ssid=1563 | https://www.youtube.com/embed/qzqKL3SOL0E | K743 |

E272 | Secondary, A Level | Exam Practice: Solve simultaneous equations where one is quadratic, one is linear. | drfrostmaths.com/explorer.php?ssid=83 | https://www.youtube.com/embed/2_n1KKPzmm8 | E272 |

K272a | Secondary, A Level | Solve non-linear simultaneous equations where y is the subject of both equations. | drfrostmaths.com/explorer.php?ssid=1085 | https://www.youtube.com/embed/vpfpFrcBE8A | K570 |

K272b | Secondary, A Level | Solve non-linear simultaneous equations with one equation in the form x^2+y^2=a. | drfrostmaths.com/explorer.php?ssid=1159 | https://www.youtube.com/embed/mcJCVfqGJR4 | K571 |

K272c | Secondary, A Level | Solve simultaneous equations in the form ax+by=c and x^2+y^2=d. | drfrostmaths.com/explorer.php?ssid=1304 | K775 | |

E273 | Secondary | Exam Practice: Solve linear simultaneous equations involving 3 (or more) unknowns. | drfrostmaths.com/explorer.php?ssid=484 | E273 | |

K273a | Secondary | Solve simultaneous equations with 3 unknowns. | drfrostmaths.com/explorer.php?ssid=1926 | ||

E274 | Secondary | Exam Practice: Understand the concept of functions, find an output given an input and vice versa. | drfrostmaths.com/explorer.php?ssid=392 | https://www.youtube.com/embed/F8g8urV7ZZw | E274 |

K274a | Secondary | Find the output of a function, given the input. | drfrostmaths.com/explorer.php?ssid=832 | https://www.youtube.com/embed/RoOwcP6UxpM | K590 |

K274b | Secondary | Find the input of a function, given the output. | drfrostmaths.com/explorer.php?ssid=1801 | ||

E275 | Secondary | Exam Practice: Use a graph representing a function. | drfrostmaths.com/explorer.php?ssid=539 | E275 | |

E276 | Secondary, A Level | Exam Practice: Composite functions (excluding exponentials and modulus). | drfrostmaths.com/explorer.php?ssid=391 | https://www.youtube.com/embed/7Ksdo3zA448 | E276 |

K276a | Secondary, A Level | Find the numerical output of a composite function. | drfrostmaths.com/explorer.php?ssid=1157 | https://www.youtube.com/embed/Cz5LaMAcSZc | K595 |

K276b | Secondary, A Level | Find the algebraic output of a composite function where both functions are linear. | drfrostmaths.com/explorer.php?ssid=1476 | K596 | |

K276c | Secondary, A Level | Find the algebraic output of a composite function where at least one function is quadratic. | drfrostmaths.com/explorer.php?ssid=1774 | ||

E277 | Secondary, A Level | Exam Practice: Inverse functions (excluding exponentials and modulus) | drfrostmaths.com/explorer.php?ssid=390 | https://www.youtube.com/embed/TQNqHeAnfC8 | E277 |

K277a | Secondary, A Level | Find the inverse function for a linear expression. | drfrostmaths.com/explorer.php?ssid=1073 | https://www.youtube.com/embed/B6Q8yjOTHIQ | K592 |

E278 | Secondary | Exam Practice: Understand the domain and range of simple functions. | drfrostmaths.com/explorer.php?ssid=424 | E278 | |

E279 | Secondary, A Level | Exam Practice: Plot and recognise graphs of trigonometric functions. | drfrostmaths.com/explorer.php?ssid=98 | https://www.youtube.com/embed/1rghC25XnHY | E279 |

K279a | Secondary, A Level | Plot and recognise graphs of trigonometric functions. | drfrostmaths.com/explorer.php?ssid=1143 | K621 | |

K279b | A Level, Secondary | Use a trigonometric graph to find other solutions to \sin x = k or \cos x = k. | drfrostmaths.com/explorer.php?ssid=1447 | K622 | |

E280 | Secondary | Exam Practice: Solve simple trigonometric equations, e.g. of the form sin(x) = k, using a graph. | drfrostmaths.com/explorer.php?ssid=386 | E280 | |

E281 | Secondary | Exam Practice: Recognise the shape and behaviour of cubic, reciprocal and exponential graphs based on their equation. | drfrostmaths.com/explorer.php?ssid=426 | https://www.youtube.com/embed/FVfjEuLxe90 | E281 |

K281a | Secondary | Recognise the shape of quadratic, cubic, reciprocal and exponential graphs. | drfrostmaths.com/explorer.php?ssid=1144 | https://www.youtube.com/embed/TbZn2Lyewoc | K613 |

E282 | Secondary | Exam Practice: Find the values of p and q in the exponential function y=pq^{x} given coordinates on the graph of y=pq^{x}. | drfrostmaths.com/explorer.php?ssid=100 | https://www.youtube.com/embed/9cHBsfER4ik | E282 |

K282a | Secondary | Find the values of p and q in the exponential function y=pq^x. | drfrostmaths.com/explorer.php?ssid=1099 | https://www.youtube.com/embed/eO13uNnGk0I | K607 |

E283 | Secondary | Exam Practice: Use graphs to find approximate solutions to equations. | drfrostmaths.com/explorer.php?ssid=99 | E283 | |

K283a | Secondary | Find approximate solutions to a quadratic equation using a graph. | drfrostmaths.com/explorer.php?ssid=1815 | ||

K283b | Secondary | Draw a horizontal line to find approximate solutions to an equation. | drfrostmaths.com/explorer.php?ssid=1123 | https://www.youtube.com/embed/EAInxAQnfdU | K608 |

K283c | Secondary | Draw a non horizontal line to find approximate solutions to an equation. | drfrostmaths.com/explorer.php?ssid=1324 | https://www.youtube.com/embed/4ellJ6ww-yA | K609 |

K283d | Secondary | Draw a line to find approximate solutions to an equation (rearrangement required). | drfrostmaths.com/explorer.php?ssid=1325 | https://www.youtube.com/embed/LYsEQfT9r5I | K610 |

E284 | A Level, Secondary | Exam Practice: Understand the effect of the transformations y = f(x+a) and y = f(x)+a on simple functions. | drfrostmaths.com/explorer.php?ssid=95 | https://www.youtube.com/embed/rZDKPySPHwM | E284 |

K284a | Secondary, A Level | Understand the effect of the transformation y=f(x+a). | drfrostmaths.com/explorer.php?ssid=779 | https://www.youtube.com/embed/tVeSBMpVIOk | K585 |

K284b | Secondary, A Level | Understand the effect of the transformation y = f(x)+a. | drfrostmaths.com/explorer.php?ssid=780 | https://www.youtube.com/embed/Jr_gbVwmReY | K586 |

K284c | Secondary, A Level | Translate a trigonometric function. | drfrostmaths.com/explorer.php?ssid=1513 | K714 | |

K284d | Secondary, A Level | Apply transformations y=f(x+a) and y=f(x)+a in a table. | drfrostmaths.com/explorer.php?ssid=1769 | ||

E285 | Secondary, A Level | Exam Practice: Understand the effect of the transformations y=f(-x) and y=-f(x) on simple functions. | drfrostmaths.com/explorer.php?ssid=544 | E285 | |

K285a | A Level, Secondary | Determine the equation of a new curve given a transformation drawn on a graph. | drfrostmaths.com/explorer.php?ssid=1086 | https://www.youtube.com/embed/kUS9_of2JRE | K588 |

K285b | A Level, Secondary | Understand the effect of the transformations y = -f(x) and y = f(-x). | drfrostmaths.com/explorer.php?ssid=968 | https://www.youtube.com/embed/Da_56RdYKGw | K587 |

E286 | A Level, Secondary | Exam Practice: Understand the effect of the transformations y = f(ax) and y = af(x) on simple functions. | drfrostmaths.com/explorer.php?ssid=543 | E286 | |

K286a | A Level, Secondary | Determine the equation of simple graph transformations using {\mathrm{f}}(x) notation | drfrostmaths.com/explorer.php?ssid=1094 | K776 | |

K286b | Secondary, A Level | Apply a single transformation to more complex functions. | drfrostmaths.com/explorer.php?ssid=1095 | K777 | |

K286c | Secondary, A Level | Apply a single transformation to simple functions. | drfrostmaths.com/explorer.php?ssid=1176 | K778 | |

E287 | Secondary | Exam Practice: Estimate solutions to equations using trial and improvement. | drfrostmaths.com/explorer.php?ssid=352 | E287 | |

E288 | Secondary | Exam Practice: Approximate a solution to an equation using iteration. | drfrostmaths.com/explorer.php?ssid=393 | E288 | |

K288a | Secondary | Approximate a solution to an equation using iteration. | drfrostmaths.com/explorer.php?ssid=1147 | K589 | |

E289 | Secondary | Exam Practice: Understand and identify counterexamples to a statement. | drfrostmaths.com/explorer.php?ssid=101 | https://www.youtube.com/embed/BW9oKyy3eEg | E289 |

E290 | Secondary | Exam Practice: Use algebraic techniques to prove a statement in the general case. | drfrostmaths.com/explorer.php?ssid=102 | https://www.youtube.com/embed/cIiw609iT-Y | E290 |

K290a | Secondary | Identify expressions that represent a multiple of an integer. | drfrostmaths.com/explorer.php?ssid=1148 | https://www.youtube.com/embed/aqjIo8YN-nU | K598 |

K290b | Secondary | Identify expressions that represent odd/even integers. | drfrostmaths.com/explorer.php?ssid=1150 | https://www.youtube.com/embed/Foy09qSi0iU | K597 |

K290c | Secondary | Use expressions for consecutive integers. | drfrostmaths.com/explorer.php?ssid=1151 | https://www.youtube.com/embed/WWi1JZWWVbc | K599 |

K290d | Secondary | Use expressions for consecutive odd/even integers. | drfrostmaths.com/explorer.php?ssid=1152 | https://www.youtube.com/embed/Pz-JPOTUlMs | K600 |

K290e | Secondary | Prove that a given algebraic expression is always odd/even. | drfrostmaths.com/explorer.php?ssid=1149 | https://www.youtube.com/embed/eyAW0tE6gwY | K601 |

E291 | Secondary | Exam Practice: Equate coefficients in an identity f(x)\equiv g(x). | drfrostmaths.com/explorer.php?ssid=577 | E291 | |

K291a | Secondary | Equate coefficients to find constants in an identity. | drfrostmaths.com/explorer.php?ssid=1541 | https://www.youtube.com/embed/aJmIHTmGo6Q | K737 |

K291b | Secondary | Equate coefficients to find constants in an identity requiring bracket expansion. | drfrostmaths.com/explorer.php?ssid=1542 | https://www.youtube.com/embed/zFya8CW8pb4 | K738 |

K291c | Secondary | Equate coefficients to find constants in an identity, involving quadratic expressions. | drfrostmaths.com/explorer.php?ssid=2033 | ||

E292 | A Level, Secondary | Exam Practice: Solve quadratic inequalities. | drfrostmaths.com/explorer.php?ssid=86 | https://www.youtube.com/embed/NfxMCCrwcJY | E292 |

K292a | Secondary, A Level | Solve quadratic inequalities of the form x^2 + bx + c > 0 or x^2 + bx + c < 0. | drfrostmaths.com/explorer.php?ssid=937 | https://www.youtube.com/embed/BkU2ct9_T5o | K602 |

K292b | Secondary, A Level | Solve quadratic inequalities of the form x^2 + bx + c > 0 or x^2 + bx + c < 0, requiring rearrangement. | drfrostmaths.com/explorer.php?ssid=1974 | https://www.youtube.com/embed/tPiWCrLw8sw | |

K292c | A Level, Secondary | Solve quadratic inequalities of the form ax^2 > b or ax^2 < b | drfrostmaths.com/explorer.php?ssid=1975 | https://www.youtube.com/embed/LlrFQi3xdxY | |

K292d | A Level, Secondary | Solve quadratic inequalities of the form ax^2 + bx + c > 0 or ax^2 + bx + c < 0, requiring rearrangement. | drfrostmaths.com/explorer.php?ssid=936 | https://www.youtube.com/embed/2onyWoJIk9k | K603 |

K292e | Secondary, A Level | Solve quadratic inequalities of the form -x^2 + bx + c > 0 or -x^2 + bx + c < 0 | drfrostmaths.com/explorer.php?ssid=1976 | https://www.youtube.com/embed/P_dONvKtsNc | |

K292f | Secondary, A Level | Solve quadratic inequalities involving a division by a positive algebraic expression. | drfrostmaths.com/explorer.php?ssid=1796 | https://www.youtube.com/embed/Ms886WTYZ9A | |

K292g | Secondary, A Level | Combine a linear and a quadratic inequality. | drfrostmaths.com/explorer.php?ssid=1797 | https://www.youtube.com/embed/Ik21a78Vt0c | |

E293 | Secondary | Exam Practice: Identify regions in 2D indicated by one or more inequalities. | drfrostmaths.com/explorer.php?ssid=353 | https://www.youtube.com/embed/iln-BONbRz0 | E293 |

K293a | Secondary | Identify regions in 2D indicated by two inequalities in the form x \le a or y \le a. | drfrostmaths.com/explorer.php?ssid=1515 | https://www.youtube.com/embed/MtDWoFaSj3E | K716 |

K293b | Secondary | TODO Identify regions in 2D indicated by one inequality. | drfrostmaths.com/explorer.php?ssid=1158 | K604 | |

K293c | Secondary | Identify regions in 2D indicated by three inequalities. | drfrostmaths.com/explorer.php?ssid=1516 | https://www.youtube.com/embed/MrhvFclpk7U | K717 |

E294 | A Level, Secondary | Exam Practice: Add or subtract algebraic fractions (no factorisation of denominators required). | drfrostmaths.com/explorer.php?ssid=18 | https://www.youtube.com/embed/PQWQQRRpUlQ | E294 |

K294a | A Level, Secondary | Add and subtract algebraic fractions with integer denominators. | drfrostmaths.com/explorer.php?ssid=1096 | https://www.youtube.com/embed/IJa8_uWgFvc | K408 |

K294b | A Level, Secondary | Add or subtract algebraic fractions with algebraic denominators made of single terms. | drfrostmaths.com/explorer.php?ssid=1540 | https://www.youtube.com/embed/RzojiUG3jgA | K736 |

K294c | A Level, Secondary | Add algebraic fractions with algebraic linear denominators. | drfrostmaths.com/explorer.php?ssid=1155 | https://www.youtube.com/embed/nA0KBAKTp7M | K605 |

K294d | A Level, Secondary | Subtract algebraic fractions with algebraic linear denominators. | drfrostmaths.com/explorer.php?ssid=1244 | https://www.youtube.com/embed/uUYnGCrGD4Y | K606 |

K294e | A Level, Secondary | Add or subtract a mixture of fractional and non-fractional terms. | drfrostmaths.com/explorer.php?ssid=1963 | https://www.youtube.com/embed/qZu2SOi7y6s | |

K294f | A Level, Secondary | Add or subtract algebraic fractions with a factorised quadratic in one denominator. | drfrostmaths.com/explorer.php?ssid=1964 | https://www.youtube.com/embed/c2fr5lnyQmA | |

K294g | A Level, Secondary | Combine multiplication or division of algebraic fractions with an addition or subtraction. | drfrostmaths.com/explorer.php?ssid=1620 | https://www.youtube.com/embed/9Ri9-g2blr8 | |

E295 | Secondary, A Level | Exam Practice: Solve equations involving fractions that lead to a quadratic. | drfrostmaths.com/explorer.php?ssid=500 | E295 | |

K295a | Secondary, A Level | Solve an equation requiring multiplication by a single algebraic term, leading to a quadratic. | drfrostmaths.com/explorer.php?ssid=1965 | https://www.youtube.com/embed/U1VDJmhZb-k | |

K295b | A Level, Secondary | Solve an equation with a single algebraic fraction on one side of the equation. | drfrostmaths.com/explorer.php?ssid=1966 | https://www.youtube.com/embed/WwCYFMOBPiw | |

K295c | A Level, Secondary | Solve an equation with a single algebraic fraction on each side of the equation. | drfrostmaths.com/explorer.php?ssid=1967 | https://www.youtube.com/embed/4DbJuBardTg | |

K295d | Secondary, A Level | Solve an equation with fractions leading to a quadratic equation. | drfrostmaths.com/explorer.php?ssid=1156 | https://www.youtube.com/embed/xbXhOyn6zic | K614 |

E296 | Secondary, A Level | Exam Practice: Histograms | drfrostmaths.com/explorer.php?ssid=339 | https://www.youtube.com/embed/yvVOFvXTY3s | E296 |

K296a | Secondary, A Level | Complete a histogram from a frequency table. | drfrostmaths.com/explorer.php?ssid=876 | https://www.youtube.com/embed/yvYLF8Tg764 | K623 |

K296b | Secondary, A Level | Complete a frequency table from a histogram. | drfrostmaths.com/explorer.php?ssid=877 | https://www.youtube.com/embed/tNomKD1fvkA | K624 |

K296c | A Level, Secondary | Use a single frequency to determine another for a given range on a histogram. | drfrostmaths.com/explorer.php?ssid=878 | https://www.youtube.com/embed/WAUKD2E_Lh8 | K625 |

K296d | Secondary, A Level | Determine the total frequency from a histogram given one frequency. | drfrostmaths.com/explorer.php?ssid=879 | https://www.youtube.com/embed/0D2ijgv6Jl8 | K626 |

K296e | Secondary, A Level | Find the dimensions of an histogram bar. | drfrostmaths.com/explorer.php?ssid=1093 | K844 | |

E297 | A Level, Secondary | Exam Practice: Solve problems involving independent/dependent events where a frequency is algebraic. | drfrostmaths.com/explorer.php?ssid=511 | https://www.youtube.com/embed/yJva4ph-KEE | E297 |

K297a | A Level, Secondary | Form an equation using sampling without replacement. | drfrostmaths.com/explorer.php?ssid=829 | https://www.youtube.com/embed/THQEajeUa24 | K628 |

E298 | Secondary | Exam Practice: Find the volume of a pyramid, cone or sphere | drfrostmaths.com/explorer.php?ssid=115 | https://www.youtube.com/embed/TNnauy1E0gw | E298 |

K298a | Secondary | Find the volume of a pyramid. | drfrostmaths.com/explorer.php?ssid=781 | https://www.youtube.com/embed/X7OWPOii4Y8 | K662 |

K298b | Secondary | Find the volume of a cone. | drfrostmaths.com/explorer.php?ssid=1003 | https://www.youtube.com/embed/EAX950Orq98 | K663 |

K298c | Secondary | Find the volume of a sphere. | drfrostmaths.com/explorer.php?ssid=999 | https://www.youtube.com/embed/-oYEaZtRY-E | K657 |

K298d | Secondary | Find the volume of a hemisphere. | drfrostmaths.com/explorer.php?ssid=1000 | https://www.youtube.com/embed/Tb6Gzf3rE58 | K658 |

K298e | Secondary | Find the height of a cone given its volume. | drfrostmaths.com/explorer.php?ssid=1006 | https://www.youtube.com/embed/pkfs8H8E2Wo | K664 |

K298f | Secondary | Find a missing dimension of a pyramid given its volume. | drfrostmaths.com/explorer.php?ssid=1529 | https://www.youtube.com/embed/J6QOr7BVz0k | K725 |

K298g | Secondary | Find the radius of a hemisphere given its volume. | drfrostmaths.com/explorer.php?ssid=1530 | K726 | |

K298h | Secondary | Find the radius of a sphere given its volume. | drfrostmaths.com/explorer.php?ssid=1002 | https://www.youtube.com/embed/xK9xcPJjXJ8 | K659 |

K298i | Secondary | Find the radius or diameter of a cone given its volume. | drfrostmaths.com/explorer.php?ssid=1005 | https://www.youtube.com/embed/QDMakCHENko | K665 |

K298j | Secondary | Find the volume of a frustum of a cone. | drfrostmaths.com/explorer.php?ssid=1009 | https://www.youtube.com/embed/0ihDuFhSc8M | K668 |

E299 | Secondary | Exam Practice: Find the volume of more complex compound 3D shapes. | drfrostmaths.com/explorer.php?ssid=117 | https://www.youtube.com/embed/z5OOZNcQqeA | E299 |

K299a | Secondary | Find the volume of a compound solid comprising of a cone and a hemisphere. | drfrostmaths.com/explorer.php?ssid=1795 | ||

E300 | Secondary | Exam Practice: Find the surface area of a cone or sphere/hemisphere. | drfrostmaths.com/explorer.php?ssid=116 | E300 | |

K300a | Secondary | Find the surface area of a sphere. | drfrostmaths.com/explorer.php?ssid=1007 | https://www.youtube.com/embed/hG2TpAew2Co | K660 |

K300b | Secondary | Find the surface area of a cone given the perpendicular height. | drfrostmaths.com/explorer.php?ssid=1011 | https://www.youtube.com/embed/KyeHi2WinJY | K666 |

K300c | Secondary | Find the surface area of an hemisphere. | drfrostmaths.com/explorer.php?ssid=1424 | https://www.youtube.com/embed/OZtmPxtXhX8 | K661 |

K300d | Secondary | Find the radius of a hemisphere given its surface area. | drfrostmaths.com/explorer.php?ssid=1531 | K728 | |

K300e | Secondary | Find the radius of a sphere given its surface area. | drfrostmaths.com/explorer.php?ssid=1532 | K727 | |

K300f | Secondary | Find the surface area of a cone given the slanted height. | drfrostmaths.com/explorer.php?ssid=1010 | https://www.youtube.com/embed/Ygc3occoSck | K667 |

E301 | Secondary | Exam Practice: Understand and use SSS, SAS, ASA and RHS conditions to prove the congruence of triangles. | drfrostmaths.com/explorer.php?ssid=141 | https://www.youtube.com/embed/dTbbETfstgI | E301 |

K301a | Secondary | Prove that two triangles are congruent using SSS. | drfrostmaths.com/explorer.php?ssid=1129 | K629 | |

K301b | Secondary | Prove that two triangles are congruent using ASA. | drfrostmaths.com/explorer.php?ssid=1130 | K630 | |

K301c | Secondary | Prove that two triangles are congruent using SAS. | drfrostmaths.com/explorer.php?ssid=1131 | K631 | |

K301d | Secondary | Prove that two triangles are congruent using RHS. | drfrostmaths.com/explorer.php?ssid=1132 | K632 | |

E302 | Secondary, A Level | Exam Practice: Determine lengths of sides in a non-right angled triangle by use of sine and cosine rules. | drfrostmaths.com/explorer.php?ssid=150 | https://www.youtube.com/embed/oMf2TA9XMSM | E302 |

K302a | Secondary, A Level | Use the sine rule to find unknown sides in non right-angled triangles. | drfrostmaths.com/explorer.php?ssid=764 | https://www.youtube.com/embed/KcZW0bXhyyk | K633 |

K302b | Secondary, A Level | Use the cosine rule to find unknown sides in non right-angled triangles. | drfrostmaths.com/explorer.php?ssid=767 | https://www.youtube.com/embed/sToDr67fVl0 | K636 |

K302c | A Level, Secondary | Use the sine rule and cosine rule within a single triangle. | drfrostmaths.com/explorer.php?ssid=1287 | https://www.youtube.com/embed/7o8CnrKMEyM | K638 |

K302d | Secondary, A Level | Use the sine rule and cosine rule within a single triangle. | drfrostmaths.com/explorer.php?ssid=1585 | https://www.youtube.com/embed/7o8CnrKMEyM | K760 |

K302e | Secondary, A Level | Use sine and/or cosine rule to solve a multistep problem (two triangles) | drfrostmaths.com/explorer.php?ssid=1654 | ||

E303 | Secondary, A Level | Exam Practice: Determine angles in a non-right angled triangle by use of sine and cosine rules. | drfrostmaths.com/explorer.php?ssid=149 | https://www.youtube.com/embed/pYjmT5W0Kwk | E303 |

K303a | Secondary, A Level | Use the sine rule to find acute angles in non right-angled triangles. | drfrostmaths.com/explorer.php?ssid=765 | https://www.youtube.com/embed/YnOk-JO4jlU | K634 |

K303b | Secondary, A Level | Use the sine rule to find obtuse angles in non right-angled triangles. | drfrostmaths.com/explorer.php?ssid=766 | https://www.youtube.com/embed/S473tphsHi4 | K635 |

K303c | Secondary, A Level | Use the cosine rule to find unknown angles in non right-angled triangles. | drfrostmaths.com/explorer.php?ssid=768 | https://www.youtube.com/embed/xM4dAaTTK0c | K637 |

K303d | Secondary, A Level | REMOVED Use the sine rule to find missing sides and angles (including the ambiguous case). | drfrostmaths.com/explorer.php?ssid=1053 | K794 | |

K303e | Secondary, A Level | REMOVED Use the cosine rule to find missing sides and angles (including the ambiguous case). | drfrostmaths.com/explorer.php?ssid=1070 | K795 | |

E304 | Secondary, A Level | Exam Practice: Find the area of a triangle using two lengths and the angle between them. | drfrostmaths.com/explorer.php?ssid=151 | https://www.youtube.com/embed/JfoyDWUFWLo | E304 |

K304a | Secondary, A Level | Find the area of a triangle using two lengths and the included angle. | drfrostmaths.com/explorer.php?ssid=770 | https://www.youtube.com/embed/DW-yixJRMVk | K639 |

K304b | Secondary, A Level | Find the area of a triangle using two lengths and an angle not included between the two sides. | drfrostmaths.com/explorer.php?ssid=1423 | https://www.youtube.com/embed/cR3HT9cuKuk | K640 |

K304c | Secondary, A Level | Find an angle in a triangle given two sides and the area. | drfrostmaths.com/explorer.php?ssid=1771 | ||

K304d | Secondary, A Level | Find the area of a segment of a circle, given the radius of the circle and the angle. | drfrostmaths.com/explorer.php?ssid=1527 | K722 | |

K304e | Secondary, A Level | Find the area of a segment of a circle, given the radius of the circle and chord length. | drfrostmaths.com/explorer.php?ssid=1526 | K723 | |

K304f | Secondary, A Level | Find the length of an arc given the area of the segment. | drfrostmaths.com/explorer.php?ssid=1528 | K724 | |

K304g | Secondary, A Level | Find the shaded area in overlapping circles. | drfrostmaths.com/explorer.php?ssid=1565 | K745 | |

E305 | Secondary | Exam Practice: Solve problems involving 3D shapes using trigonometry. | drfrostmaths.com/explorer.php?ssid=576 | E305 | |

K305a | Secondary | Find the angle between a line and a plane in a cuboid. | drfrostmaths.com/explorer.php?ssid=1146 | https://www.youtube.com/embed/totOyFxPp8I | K641 |

K305b | Secondary | Find the angle between a line and a plane in a pyramid. | drfrostmaths.com/explorer.php?ssid=1306 | https://www.youtube.com/embed/tBf5vHTJyhg | K642 |

E306 | Secondary | Exam Practice: Understand and apply all circle theorems. | drfrostmaths.com/explorer.php?ssid=129 | https://www.youtube.com/embed/3XCiG7Rp4dk | E306 |

K306a | Secondary | Know that the angle at the centre is twice the angle at the circumference. | drfrostmaths.com/explorer.php?ssid=677 | https://www.youtube.com/embed/h23Wd7rlzgU | K645 |

K306b | Secondary | Know that angles in the same segment are equal. | drfrostmaths.com/explorer.php?ssid=693 | https://www.youtube.com/embed/CMIWlpGl67A | K646 |

K306c | Secondary | Know that the angle in a semicircle is 90 degrees. | drfrostmaths.com/explorer.php?ssid=694 | https://www.youtube.com/embed/ldBN402lMd4 | K643 |

K306d | Secondary | Know that opposite angles in a cyclic quadrilateral add to 180. | drfrostmaths.com/explorer.php?ssid=695 | https://www.youtube.com/embed/nfAFJ58EGiA | K647 |

K306e | Secondary | Know that angle between a tangent and the radius at the point of contact is 90. | drfrostmaths.com/explorer.php?ssid=696 | https://www.youtube.com/embed/KAnczfcZFDY | K644 |

K306f | Secondary | Know that the angle between the tangent and a chord is equal to the angle in the alternate segment. | drfrostmaths.com/explorer.php?ssid=697 | https://www.youtube.com/embed/QHEO78L0HUo | K648 |

K306g | Secondary | Know that tangents which meet at the same point are equal in length (possibly involving other circle theorems) | drfrostmaths.com/explorer.php?ssid=1697 | ||

K306h | Secondary | Use Pythagoras' theorem in a circle theorem context. | drfrostmaths.com/explorer.php?ssid=1562 | https://www.youtube.com/embed/PHYNjY6Sw50 | K744 |

K306i | Secondary | Angle at the centre is double the angle at the circumference and radii of a circle are equal in length. | drfrostmaths.com/explorer.php?ssid=1693 | https://www.youtube.com/embed/X3AhiZZIgnA | |

K306j | Secondary | Use the theorems: angle between tangent and radius is 90 and radii of a circle are equal in length. | drfrostmaths.com/explorer.php?ssid=2026 | ||

K306k | Secondary | Use the theorems: angle at centre is double angle at circumference and angle between radius and tangent is 90, using a quadrilateral inside the circle. | drfrostmaths.com/explorer.php?ssid=2030 | ||

K306l | Secondary | Use the theorems: angle at centre is double angle at circumference and angle between radius and tangent is 90, using a quadrilateral outside the circle. | drfrostmaths.com/explorer.php?ssid=2040 | ||

K306m | Secondary | Use the theorems: angle at centre is double angle at circumference and angles in a cyclic quadrilateral add to 180. | drfrostmaths.com/explorer.php?ssid=2050 | ||

K306n | Secondary | Use the theorems: angle in same segment are equal and angle in a semicircle is 90. | drfrostmaths.com/explorer.php?ssid=2053 | ||

E307 | Secondary | Exam Practice: Use the Intersecting Chord and Intersecting Secant theorems. | drfrostmaths.com/explorer.php?ssid=423 | https://www.youtube.com/embed/Bua6NRzcF5Y | E307 |

K307a | Secondary | Use the intersecting chord theorem. | drfrostmaths.com/explorer.php?ssid=1461 | K669 | |

K307b | Secondary | Use the intersecting secant theorem. | drfrostmaths.com/explorer.php?ssid=1462 | K670 | |

E308 | Secondary | Exam Practice: Solve bearings problems involving trigonometry. | drfrostmaths.com/explorer.php?ssid=508 | E308 | |

K308a | Secondary | Solve a problem with bearings using trigonometry. | drfrostmaths.com/explorer.php?ssid=1471 | K671 | |

K308b | Secondary | Use the cosine rule to find a distance in a bearing problem. | drfrostmaths.com/explorer.php?ssid=1472 | K672 | |

E309 | Secondary | Exam Practice: Add, subtract and scale column vectors. | drfrostmaths.com/explorer.php?ssid=157 | https://www.youtube.com/embed/mt_RdPIbLlw | E309 |

K309a | Secondary | Add or subtract two vectors written in column vector form. | drfrostmaths.com/explorer.php?ssid=1056 | https://www.youtube.com/embed/CjtvHA2Cgdw | K649 |

K309b | Secondary | Appreciate scalar multiplication of vectors. | drfrostmaths.com/explorer.php?ssid=1058 | https://www.youtube.com/embed/wtAXHkNCNyg | K651 |

E310 | Secondary, A Level | Exam Practice: Calculate the magnitude of a vector. | drfrostmaths.com/explorer.php?ssid=267 | E310 | |

K310a | A Level, Secondary | Find the magnitude of a vector. | drfrostmaths.com/explorer.php?ssid=944 | K801 | |

K310b | A Level, Secondary | Find the magnitude of a vector written in column vector form. | drfrostmaths.com/explorer.php?ssid=1057 | https://www.youtube.com/embed/_Y--NQL2FWY | K650 |

E311 | A Level, Secondary | Exam Practice: Use variables representing vectors to find further vectors. | drfrostmaths.com/explorer.php?ssid=268 | E311 | |

K311a | A Level, Secondary | Find a vector between two points using an appropriate path. | drfrostmaths.com/explorer.php?ssid=1068 | K652 | |

K311b | A Level, Secondary | Determine a vector involving a midpoint. | drfrostmaths.com/explorer.php?ssid=1069 | K653 | |

K311c | A Level, Secondary | Determine a vector involving a fraction of the distance between two points. | drfrostmaths.com/explorer.php?ssid=1071 | K654 | |

E312 | A Level, Secondary | Exam Practice: Understand when vectors are parallel, solve problems and proofs involving vectors, including points forming a straight line. | drfrostmaths.com/explorer.php?ssid=270 | E312 | |

K312a | A Level, Secondary | TODO Prove that three points form a straight line. | drfrostmaths.com/explorer.php?ssid=1161 | K656 | |

K312b | A Level, Secondary | TODO Prove that two vectors are parallel. | drfrostmaths.com/explorer.php?ssid=1162 | K655 | |

K312c | A Level, Secondary | Determine the ratio a vector is broken into via another route and introduction of a scalar. | drfrostmaths.com/explorer.php?ssid=1564 | K993 | |

E313 | Secondary | Exam Practice: Simplify surds. | drfrostmaths.com/explorer.php?ssid=62 | https://www.youtube.com/embed/LDH_VS1fwYE | E313 |

K313a | Secondary | Simplify a surd. | drfrostmaths.com/explorer.php?ssid=678 | https://www.youtube.com/embed/mT9t_pRky2w | K673 |

K313b | Secondary | Simplify a multiple of a surd. | drfrostmaths.com/explorer.php?ssid=1327 | https://www.youtube.com/embed/31n9Vi6tI3U | K674 |

K313c | Secondary | Write a surd in the form \sqrt{a}. | drfrostmaths.com/explorer.php?ssid=1618 | https://www.youtube.com/embed/-6O7wCQjd_o | |

E314 | Secondary | Exam Practice: Multiply and divide surds. | drfrostmaths.com/explorer.php?ssid=366 | https://www.youtube.com/embed/XiuLvyXyRxY | E314 |

K314a | Secondary | Multiply two surds or a surd and a non-surd. | drfrostmaths.com/explorer.php?ssid=681 | https://www.youtube.com/embed/oje4wceCRrY | K675 |

K314b | Secondary | Multiply multiples of surds. | drfrostmaths.com/explorer.php?ssid=1985 | https://www.youtube.com/embed/B5OcuvQQsWY | |

K314c | Secondary | Square a surd. | drfrostmaths.com/explorer.php?ssid=1986 | https://www.youtube.com/embed/bW2BdKo9V_M | |

K314d | Secondary | Multiply two surds that require simplifying. | drfrostmaths.com/explorer.php?ssid=682 | https://www.youtube.com/embed/xg2FjpqB8fg | K676 |

K314e | Secondary | Divide two surds. | drfrostmaths.com/explorer.php?ssid=683 | https://www.youtube.com/embed/CfX7K9lBx7c | K677 |

K314f | Secondary | Divide two surds that require simplifying. | drfrostmaths.com/explorer.php?ssid=1733 | https://www.youtube.com/embed/QVmWAGIpPhw | |

K314g | Secondary | Expand a single bracket with surds. | drfrostmaths.com/explorer.php?ssid=685 | https://www.youtube.com/embed/3Q9HxC3TgAE | K680 |

K314h | Secondary | Expand a single bracket with surds, where simplification of surds is required. | drfrostmaths.com/explorer.php?ssid=1987 | ||

K314i | Secondary | Expand two brackets involving surds in the form (a + \sqrt{b})(c + \sqrt{b}). | drfrostmaths.com/explorer.php?ssid=867 | https://www.youtube.com/embed/9SpdRhVL2TM | K681 |

K314j | Secondary | Expand two brackets with surds, where simplification of surds required. | drfrostmaths.com/explorer.php?ssid=869 | https://www.youtube.com/embed/eLPnx0ANuso | K682 |

K314k | Secondary | Expand two brackets involving multiples of surds. | drfrostmaths.com/explorer.php?ssid=870 | https://www.youtube.com/embed/tR2bBd4D7OM | K683 |

K314l | Secondary | Square a bracket involving surds. | drfrostmaths.com/explorer.php?ssid=871 | https://www.youtube.com/embed/FKdFK5Dtkqg | K684 |

K314m | Secondary | Multiply or divide surds with algebra. | drfrostmaths.com/explorer.php?ssid=1619 | ||

K314n | Secondary | Multiple three brackets involving surds. | drfrostmaths.com/explorer.php?ssid=1990 | https://www.youtube.com/embed/-LrZUmdQDWM | |

K314o | Secondary | Compare coefficients of surds and non-surds to determine values of variables. | drfrostmaths.com/explorer.php?ssid=1993 | https://www.youtube.com/embed/VryGlnNEbIw | |

K314p | Secondary | Use Pythagoras' theorem with sides which are surds. | drfrostmaths.com/explorer.php?ssid=1999 | ||

E315 | Secondary, A Level | Exam Practice: Add and subtract surds. | drfrostmaths.com/explorer.php?ssid=61 | https://www.youtube.com/embed/O0Hm8oAgrPI | E315 |

K315a | Secondary, A Level | Add or subtract surds with the same number under the square root. | drfrostmaths.com/explorer.php?ssid=679 | https://www.youtube.com/embed/zIPsPUHMsL4 | K678 |

K315b | Secondary, A Level | Add or subtract surds that require simplifying. | drfrostmaths.com/explorer.php?ssid=680 | https://www.youtube.com/embed/vlqatolhDwc | K679 |

E316 | Secondary, A Level | Exam Practice: Rationalise the denominator where the denominator consists of single surd term. | drfrostmaths.com/explorer.php?ssid=586 | E316 | |

K316a | Secondary, A Level | Rationalise the denominator of a fraction where the denominator is a single surd. | drfrostmaths.com/explorer.php?ssid=686 | https://www.youtube.com/embed/0sSjrJfz6UQ | K685 |

K316b | Secondary, A Level | Rationalise the denominator of a fraction with a single surd as the denominator, where subsequent simplification is required. | drfrostmaths.com/explorer.php?ssid=2027 | https://www.youtube.com/embed/p_WoUulAKws | |

K316c | Secondary, A Level | Rationalise the denominator of a fraction to subsequently add or subtract surds. | drfrostmaths.com/explorer.php?ssid=2029 | ||

K316d | A Level, Secondary | Simplify expressions of the form (a + \sqrt{b})/\sqrt{c} | drfrostmaths.com/explorer.php?ssid=2031 | https://www.youtube.com/embed/X5smkgYqVGY | |

K316e | Secondary, A Level | Simplify (a/\sqrt{b})^n where n is large. | drfrostmaths.com/explorer.php?ssid=2032 | https://www.youtube.com/embed/flzGFaSKOOE | |

E317 | A Level, Secondary | Exam Practice: Rationalise the denominator where the denominator consists of a surd and a second term. | drfrostmaths.com/explorer.php?ssid=63 | https://www.youtube.com/embed/wiBovf97ihc | E317 |

K317a | Secondary, A Level | Rationalise the denominator of a fraction in the form \frac{a}{b + \sqrt{c}}. | drfrostmaths.com/explorer.php?ssid=2046 | ||

K317b | Secondary, A Level | Rationalise the denominator of a fraction in the form \frac{a}{\sqrt{b} + \sqrt{c}}. | drfrostmaths.com/explorer.php?ssid=1139 | https://www.youtube.com/embed/aZmdegR1JTw | K688 |

K317c | A Level, Secondary | Rationalise the denominator of a fraction in the form \frac{a + \sqrt{b}}{c + \sqrt{b}}. | drfrostmaths.com/explorer.php?ssid=872 | https://www.youtube.com/embed/GkdPm1qjlEA | K686 |

K317d | A Level, Secondary | Solve equation of the form x(a + \sqrt{b}) = c | drfrostmaths.com/explorer.php?ssid=2044 | ||

K317e | A Level, Secondary | Rationalise the denominator of a fraction in the form (a+\sqrt{b})/(c+\sqrt{d}), where simplification is required. | drfrostmaths.com/explorer.php?ssid=2045 | ||

K317f | A Level, Secondary | Rationalise the denominator of a fraction in the form \frac{a + b\sqrt{c}}{d + e\sqrt{c}}. | drfrostmaths.com/explorer.php?ssid=873 | https://www.youtube.com/embed/qxqFsazeTdk | K687 |

K317g | Secondary, A Level | Rationalise the denominator of a fraction in the form (a+b\sqrt{c})/(d+e\sqrt{f}), where simplification is required. | drfrostmaths.com/explorer.php?ssid=2042 | ||

K317h | Secondary, A Level | Rationalise the denominator of a fraction where either the numerator or denominator is squared. | drfrostmaths.com/explorer.php?ssid=2047 | ||

K317i | A Level, Secondary | Temp: Rationalise the denominator of a fraction in the form \frac{a + \sqrt{b}}{c + \sqrt{b}}. | drfrostmaths.com/explorer.php?ssid=2043 | ||

E318 | Secondary, A Level | Exam Practice: Deal with fractional indices. | drfrostmaths.com/explorer.php?ssid=58 | https://www.youtube.com/embed/E-gq8eq105I | E318 |

K318a | Secondary, A Level | Raise a number to a fractional power. | drfrostmaths.com/explorer.php?ssid=650 | https://www.youtube.com/embed/cmP8DoNjP6c | K689 |

K318b | Secondary, A Level | Raise a fraction to a fractional power. | drfrostmaths.com/explorer.php?ssid=652 | https://www.youtube.com/embed/_OPbhcaouZs | K691 |

K318c | A Level, Secondary | Raise a number to a fractional and negative power. | drfrostmaths.com/explorer.php?ssid=651 | https://www.youtube.com/embed/uN135i-Sefk | K690 |

K318d | Secondary, A Level | Raise a fraction to a fractional and negative power. | drfrostmaths.com/explorer.php?ssid=653 | https://www.youtube.com/embed/ND5Ls34mRd4 | K692 |

K318e | Secondary, A Level | Raise an algebraic term to a fractional power. | drfrostmaths.com/explorer.php?ssid=819 | https://www.youtube.com/embed/2yavvH_Un3w | K693 |

K318f | Secondary, A Level | Raise an algebraic term to a fractional and negative power. | drfrostmaths.com/explorer.php?ssid=820 | https://www.youtube.com/embed/ZabULuxYCrs | K694 |

K318g | A Level, Secondary | Write a collection of terms in the form ax^b. | drfrostmaths.com/explorer.php?ssid=1281 | K762 | |

K318h | A Level, Secondary | Write a fraction as a collection of terms by splitting the fraction. | drfrostmaths.com/explorer.php?ssid=1498 | K967 | |

E319 | Secondary | Exam Practice: Problem solving with ratios, including where a ratio changes. | drfrostmaths.com/explorer.php?ssid=535 | E319 | |

K319a | Secondary | Determine an amount given a change in a ratio where one part is changing. | drfrostmaths.com/explorer.php?ssid=1250 | https://www.youtube.com/embed/Ge2aPe9XJH8 | K696 |

K319b | Secondary | Determine an amount given a change in a ratio where two parts are changing. | drfrostmaths.com/explorer.php?ssid=1293 | https://www.youtube.com/embed/vjKJz3h2ycA | K697 |

E320 | Secondary | Exam Practice: Piecewise functions. | drfrostmaths.com/explorer.php?ssid=445 | E320 | |

K320a | Secondary | Use a piecewise function to find an output for a specific input. | drfrostmaths.com/explorer.php?ssid=1812 | ||

K320b | Secondary | Sketch a piecewise function involving linear segments. | drfrostmaths.com/explorer.php?ssid=1817 | ||

K320c | Secondary | Determine the component functions of a sketched piecewise function. | drfrostmaths.com/explorer.php?ssid=1826 | ||

K320d | Secondary | Determine the number of solutions to f(x) = k where the function is piecewise. | drfrostmaths.com/explorer.php?ssid=1852 | ||

K320e | Secondary | Solve equations of the form f(x) = k when the function is piecewise. | drfrostmaths.com/explorer.php?ssid=1853 | ||

K320f | Secondary | Determine the range of a piecewise function. | drfrostmaths.com/explorer.php?ssid=1856 | ||

K320g | Secondary | Determine a piecewise function given knowledge of its range. | drfrostmaths.com/explorer.php?ssid=1857 | ||

K320h | Secondary | Determine the area enclosed under a piecewise function with linear segments. | drfrostmaths.com/explorer.php?ssid=1860 | ||

E321 | Secondary | Exam Practice: Limiting value of a converging sequence. | drfrostmaths.com/explorer.php?ssid=443 | E321 | |

K321a | Secondary | Find the limiting value of a converging sequence. | drfrostmaths.com/explorer.php?ssid=1928 | ||

E322 | Secondary | Exam Practice: Solve problems involving general spatial awareness and reasoning. | drfrostmaths.com/explorer.php?ssid=372 | E322 | |

E323 | Secondary | Exam Practice: Deal with logical true-false statements (Boolean Algebra). | drfrostmaths.com/explorer.php?ssid=374 | E323 | |

E324 | A Level | Exam Practice: Discriminant of a quadratic function. | drfrostmaths.com/explorer.php?ssid=185 | https://www.youtube.com/embed/ponJzpfss9U | E324 |

K324a | A Level | Determine the discriminant of a quadratic expression with numeric coefficients. | drfrostmaths.com/explorer.php?ssid=1828 | ||

K324b | A Level | Use the discriminant of a simple quadratic to determine the number of solutions to an equation. | drfrostmaths.com/explorer.php?ssid=1829 | ||

K324c | A Level | Understand the relationship between the discriminant of a quadratic and its sketch. | drfrostmaths.com/explorer.php?ssid=1834 | ||

K324d | A Level | Determine the discriminant of a quadratic expression with algebraic coefficients. | drfrostmaths.com/explorer.php?ssid=1869 | ||

K324e | A Level | Use the discriminant to reason about the number of solutions of a factorised cubic. | drfrostmaths.com/explorer.php?ssid=1880 | ||

K324f | A Level | Use the discriminant to determine the values for algebraic coefficients in a quadratic equation, where there are equal roots. | drfrostmaths.com/explorer.php?ssid=1884 | ||

K324g | A Level | Use the discriminant to determine the values for algebraic coefficients in a quadratic equation, where there are no roots or distinct roots. | drfrostmaths.com/explorer.php?ssid=933 | K770 | |

K324h | A Level | Use the discriminant to determine the values for algebraic coefficients in a quadratic equation, requiring rearrangement. | drfrostmaths.com/explorer.php?ssid=1898 | ||

K324i | A Level | Use the discriminant to determine when a straight line is tangent to a quadratic curve. | drfrostmaths.com/explorer.php?ssid=1755 | ||

K324j | A Level | Test: Expanding Brackets Function | drfrostmaths.com/explorer.php?ssid=1873 | ||

K324k | A Level | KS324g Replacement: Use the discriminant to determine the values for algebraic coefficients in a quadratic equation, where there are no roots or distinct roots. | drfrostmaths.com/explorer.php?ssid=1881 | ||

E325 | A Level | Exam Practice: Graphs of more general reciprocal functions. | drfrostmaths.com/explorer.php?ssid=540 | E325 | |

K325a | A Level | Identify the equation of the vertical asymptote of a more general reciprocal function. | drfrostmaths.com/explorer.php?ssid=1808 | ||

K325b | A Level | Sketch reciprocal functions of the form y = a + \frac{b}{cx + d} | drfrostmaths.com/explorer.php?ssid=1809 | ||

E326 | A Level | Exam Practice: Graphs of polynomials of order 3 or more, particularly cubic and quartic functions. | drfrostmaths.com/explorer.php?ssid=186 | https://www.youtube.com/embed/KwLJd1rTMtQ | E326 |

K326a | A Level | Recognise the shape of a cubic graph. | drfrostmaths.com/explorer.php?ssid=1767 | ||

K326b | A Level | Sketch the graph of a cubic function where the function is a product. | drfrostmaths.com/explorer.php?ssid=1763 | ||

K326c | A Level | Sketch the graph of a cubic function that requires factorising. | drfrostmaths.com/explorer.php?ssid=1764 | ||

K326d | A Level | Find the equation of a cubic function from its sketch. | drfrostmaths.com/explorer.php?ssid=1766 | ||

K326e | A Level | Sketch the graph of a quartic function where the function is a product. | drfrostmaths.com/explorer.php?ssid=1765 | ||

K326f | A Level | Identify the factorised equation of a sketched cubic graph. | drfrostmaths.com/explorer.php?ssid=1803 | ||

E327 | A Level | Exam Practice: Use the formula y-y_1 = m(x-x_1) for find the equation of a straight line. | drfrostmaths.com/explorer.php?ssid=195 | https://www.youtube.com/embed/qvoIpfd_JB4 | E327 |

K327a | A Level | Find an equation of a straight line given the gradient and one point using y-y_1=m(x-x_1). | drfrostmaths.com/explorer.php?ssid=1109 | https://www.youtube.com/embed/QyRT_gshY9E | K779 |

K327b | A Level | Find an equation of a straight line parallel to another using y-y_1=m(x-x_1). | drfrostmaths.com/explorer.php?ssid=1111 | https://www.youtube.com/embed/inbI5b-Lac4 | K781 |

K327c | A Level | Find an equation of a straight line given two points using y-y_1=m(x-x_1). | drfrostmaths.com/explorer.php?ssid=1110 | https://www.youtube.com/embed/AEgUYEDdvBc | K780 |

K327d | A Level | Find an equation of a straight line perpendicular to another using y-y_1=m(x-x_1). | drfrostmaths.com/explorer.php?ssid=1112 | https://www.youtube.com/embed/eC9uFJy84uw | K782 |

K327e | A Level | Find the perpendicular bisector of a line using y-y_1=m(x-x_1). | drfrostmaths.com/explorer.php?ssid=1046 | K783 | |

K327f | A Level | Find the area of a triangle enclosed by an axis and two intersecting lines. | drfrostmaths.com/explorer.php?ssid=1177 | K784 | |

K327g | A Level | Determine the equation of a line from a modelled context. | drfrostmaths.com/explorer.php?ssid=1927 | ||

E328 | A Level, Secondary | Exam Practice: Coordinate geometry on circles and equation of a circle with any centre. | drfrostmaths.com/explorer.php?ssid=196 | https://www.youtube.com/embed/0P9LdIjAjAw | E328 |

K328a | A Level, Secondary | Find an equation of a circle, not centred at the origin, which is drawn. | drfrostmaths.com/explorer.php?ssid=1043 | K700 | |

K328b | A Level, Secondary | Find an equation of a circle, not centred at the origin, given its radius and centre. | drfrostmaths.com/explorer.php?ssid=1045 | K701 | |

K328c | A Level, Secondary | Find the equation of a circle, with given centre and radius/diameter, in expanded form. | drfrostmaths.com/explorer.php?ssid=1922 | ||

K328d | A Level, Secondary | Plot the graph of a circle not centred at the origin. | drfrostmaths.com/explorer.php?ssid=1101 | K702 | |

K328e | A Level, Secondary | Write down the equation of a circle given the centre and radius. | drfrostmaths.com/explorer.php?ssid=1019 | K786 | |

K328f | Secondary, A Level | Determine the intercepts of a circle given its equation. | drfrostmaths.com/explorer.php?ssid=1806 | ||

K328g | A Level, Secondary | Find the equation of a circle using the endpoints of the diameter. | drfrostmaths.com/explorer.php?ssid=1017 | https://www.youtube.com/embed/nF9WGe9FfeI | K787 |

K328h | A Level, Secondary | Use the equation of a circle to find its centre and radius. | drfrostmaths.com/explorer.php?ssid=1016 | https://www.youtube.com/embed/JkVXhrSpzOs | K785 |

K328i | Secondary, A Level | Complete the square to determine the radius of a circle, where the equation involves algebraic constants. | drfrostmaths.com/explorer.php?ssid=1935 | ||

K328j | Secondary, A Level | Find the points where a circle meets an axis. | drfrostmaths.com/explorer.php?ssid=1020 | K788 | |

K328k | A Level, Secondary | Find the tangent to a circle at a given point. | drfrostmaths.com/explorer.php?ssid=1021 | K789 | |

K328l | A Level, Secondary | Determine the equation of a parallel tangent to a circle. | drfrostmaths.com/explorer.php?ssid=1804 | ||

K328m | A Level, Secondary | Use the length of a chord of a circle and the radius to determine the circle's centre. | drfrostmaths.com/explorer.php?ssid=1807 | ||

K328n | A Level, Secondary | Determine whether a straight line cuts or is tangent to a circle. | drfrostmaths.com/explorer.php?ssid=1917 | ||

K328o | A Level, Secondary | K328i replacement: Find the tangent to a circle at a given point. | drfrostmaths.com/explorer.php?ssid=1923 | ||

E329 | A Level | Exam Practice: Use algebraic division to turn top-heavy algebraic fraction into a quotient and remainder. | drfrostmaths.com/explorer.php?ssid=362 | E329 | |

K329a | A Level | Determine the original function given the divisor, quotient and remainder. | drfrostmaths.com/explorer.php?ssid=1827 | ||

E330 | Secondary, A Level | Exam Practice: Use the Factor and Remainder Theorems. | drfrostmaths.com/explorer.php?ssid=182 | https://www.youtube.com/embed/VUKuwXspxTI | E330 |

K330a | Secondary, A Level | Determine whether a linear expression is a factor of a polynomial. | drfrostmaths.com/explorer.php?ssid=1896 | ||

K330b | A Level, Secondary | Factorise a cubic when one of the factors is known. | drfrostmaths.com/explorer.php?ssid=1821 | ||

K330c | Secondary, A Level | Use the factor theorem to find a missing coefficient. | drfrostmaths.com/explorer.php?ssid=1090 | K790 | |

K330d | Secondary, A Level | Factorise a cubic expression using the factor theorem (when no factors are known). | drfrostmaths.com/explorer.php?ssid=1091 | K791 | |

K330e | Secondary, A Level | Use the factor theorem to find two missing coefficients. | drfrostmaths.com/explorer.php?ssid=1839 | ||

E331 | A Level | Exam Practice: Solve cubic and quartic equations, or polynomials of higher degree. | drfrostmaths.com/explorer.php?ssid=427 | https://www.youtube.com/embed/FEke3XrV1es | E331 |

K331a | A Level | Solving cubics in the form x^3 + bx^2 + cx = 0, solvable by factorisation. | drfrostmaths.com/explorer.php?ssid=1688 | ||

K331b | A Level | Solving cubics in the form ax^3 + bx^2 + cx = 0, solvable by factorisation | drfrostmaths.com/explorer.php?ssid=1689 | ||

E332 | A Level, Secondary | Exam Practice: Binomial expansion of (a + bx)^n where n is a positive integer. | drfrostmaths.com/explorer.php?ssid=198 | E332 | |

K332a | Secondary, A Level | Binomial expansion of (x + b)^n, where n is a positive integer. | drfrostmaths.com/explorer.php?ssid=1820 | ||

K332b | Secondary, A Level | Binomial expansion of (x - b)^n, where n is a positive integer. | drfrostmaths.com/explorer.php?ssid=1831 | ||

K332c | Secondary, A Level | Binomial expansion of (ax \pm b)^n, where\ n is a positive integer. | drfrostmaths.com/explorer.php?ssid=903 | K792 | |

K332d | Secondary, A Level | Determine the value of a coefficient in a binomial expansion with a positive integer power. | drfrostmaths.com/explorer.php?ssid=904 | K793 | |

K332e | Secondary, A Level | Binomial expansion of (ax \pm b)^n, where n is a positive integer and b is a fraction. | drfrostmaths.com/explorer.php?ssid=1835 | ||

K332f | Secondary, A Level | Expand an expression of the form (a \pm bx)^n for positive integers n, where b is algebraic. | drfrostmaths.com/explorer.php?ssid=1836 | ||

K332g | Secondary, A Level | Use a binomial expansion to reason about terms in the expansion of (a + bx)^n (c + dx) | drfrostmaths.com/explorer.php?ssid=1847 | ||

K332h | Secondary, A Level | Use a binomial expansion to estimate the value of k^n. | drfrostmaths.com/explorer.php?ssid=1872 | ||

K332i | Secondary, A Level | Reason about the a and b in (ax + b)^n given known coefficients of terms in the binomial expansion. | drfrostmaths.com/explorer.php?ssid=1885 | ||

K332j | Secondary, A Level | Use a relationship between the coefficients of terms in a binomial expansion to determine an unknown constant. | drfrostmaths.com/explorer.php?ssid=1934 | ||

E333 | A Level, Secondary | Exam Practice: Construct proofs involving sin, cos and tan (excluding double angle formulae), or simplify expressions. | drfrostmaths.com/explorer.php?ssid=213 | https://www.youtube.com/embed/i2T1t-G_93U | E333 |

K333a | A Level, Secondary | Find exact values of \sin, \cos and \tan using another known trigonometric ratio. | drfrostmaths.com/explorer.php?ssid=1108 | K800 | |

E334 | A Level, Secondary | Exam Practice: Solve trigonometric equations, involving sin, cos and tan, in an interval in degrees. | drfrostmaths.com/explorer.php?ssid=207 | https://www.youtube.com/embed/U3MKPIzoC7I | E334 |

K334a | A Level, Secondary | Solve a trigonometric equation in the form \sin x = k where x is in degrees. | drfrostmaths.com/explorer.php?ssid=874 | K796 | |

K334b | A Level, Secondary | Solve a trigonometric equation in the form \sin (ax+b) = k where x is in degrees. | drfrostmaths.com/explorer.php?ssid=875 | K797 | |

K334c | Secondary, A Level | Solve trigonometric equations in the form \sin^2 x=a where x is in degrees. | drfrostmaths.com/explorer.php?ssid=1624 | ||

K334d | A Level, Secondary | Solve a trigonometric equation in the form p\sin (ax+b) = q\cos (ax+b). | drfrostmaths.com/explorer.php?ssid=1685 | ||

K334e | A Level, Secondary | Solve quadratic equations with trigonometric functions using Pythagorean identities. | drfrostmaths.com/explorer.php?ssid=893 | K799 | |

E335 | A Level | Exam Practice: Understand position vectors and calculate the distance between two points from their position vectors. | drfrostmaths.com/explorer.php?ssid=269 | E335 | |

K335a | A Level | Find a position vector. | drfrostmaths.com/explorer.php?ssid=946 | K803 | |

K335b | A Level | Finding the vector between two position vectors. | drfrostmaths.com/explorer.php?ssid=1728 | ||

K335c | A Level | Finding the distance between two position vectors. | drfrostmaths.com/explorer.php?ssid=1730 | ||

K335d | A Level | Find unknown coefficients when a resultant vector is parallel to a given vector in the form a\textbf{i}+b\textbf{j}. | drfrostmaths.com/explorer.php?ssid=1792 | ||

E336 | A Level | Exam Practice: Determine the angle between a vector and the x or y axis. | drfrostmaths.com/explorer.php?ssid=545 | E336 | |

K336a | A Level | Find the direction of a vector. | drfrostmaths.com/explorer.php?ssid=945 | K802 | |

E337 | A Level | Exam Practice: Differentiate from first principles for small positive powers of x. | drfrostmaths.com/explorer.php?ssid=219 | https://www.youtube.com/embed/ztlTJZSzX9o | E337 |

E338 | A Level, Secondary | Exam Practice: Differentiate x^n for rational values of n. | drfrostmaths.com/explorer.php?ssid=221 | https://www.youtube.com/embed/ufoD67KuSUw | E338 |

K338a | A Level, Secondary | Differentiate a single term in the form ax^b. | drfrostmaths.com/explorer.php?ssid=1243 | https://www.youtube.com/embed/6RbXSOeo2p0 | K804 |

K338b | A Level, Secondary | Differentiate a collection of terms with integer powers. | drfrostmaths.com/explorer.php?ssid=631 | K699 | |

K338c | A Level, Secondary | Differentiate a collection of terms in the form ax^b. | drfrostmaths.com/explorer.php?ssid=905 | https://www.youtube.com/embed/AC5l5eJmYnk | K805 |

K338d | Secondary, A Level | Differentiate x^n to find the gradient of a curve at a given point. | drfrostmaths.com/explorer.php?ssid=1580 | K996 | |

K338e | A Level, Secondary | Differentiate a polynomial expression requiring bracket expansion. | drfrostmaths.com/explorer.php?ssid=911 | https://www.youtube.com/embed/2TmZfFRO1ko | K807 |

K338f | A Level, Secondary | Differentiate a collection of terms that require rewriting in the form ax^b. | drfrostmaths.com/explorer.php?ssid=906 | https://www.youtube.com/embed/tYVHcXTrLBg | K806 |

K338g | A Level, Secondary | Differentiate a polynomial expression written as a fraction with a single term on the denominator. | drfrostmaths.com/explorer.php?ssid=910 | K808 | |

K338h | A Level, Secondary | Differentiate an expression written as a fraction with a single term on the denominator and that contains a root. | drfrostmaths.com/explorer.php?ssid=1729 | ||

E339 | A Level | Exam Practice: Understand and use the second derivative of a function. | drfrostmaths.com/explorer.php?ssid=220 | https://www.youtube.com/embed/NoUjqjJd07Q | E339 |

K339a | A Level | Find the second derivative of a function. | drfrostmaths.com/explorer.php?ssid=934 | K812 | |

E340 | A Level, Secondary | Exam Practice: Increasing and decreasing functions. | drfrostmaths.com/explorer.php?ssid=224 | https://www.youtube.com/embed/-N_H9LDsR04 | E340 |

K340a | A Level, Secondary | Determine the interval for which a cubic function is increasing or decreasing. | drfrostmaths.com/explorer.php?ssid=935 | K811 | |

E341 | A Level, Secondary | Exam Practice: Maxima and minima and stationary points for polynomials. | drfrostmaths.com/explorer.php?ssid=223 | https://www.youtube.com/embed/v1KWoPYFHj0 | E341 |

K341a | A Level, Secondary | Determine the stationary points of a curve. | drfrostmaths.com/explorer.php?ssid=1595 | ||

K341b | A Level, Secondary | Determine whether a stationary point is a maximum or a minimum. | drfrostmaths.com/explorer.php?ssid=1261 | K814 | |

K341c | A Level, Secondary | Find coefficients of a cubic equation given a turning point. | drfrostmaths.com/explorer.php?ssid=1514 | K715 | |

E342 | A Level | Exam Practice: Sketch the gradient function for a given curve, e.g. in relation to speed and acceleration. | drfrostmaths.com/explorer.php?ssid=218 | https://www.youtube.com/embed/86VF9JFSZqI | E342 |

K342a | A Level | Sketch a gradient function given the sketch of the function. | drfrostmaths.com/explorer.php?ssid=1258 | K815 | |

E343 | A Level, Secondary | Exam Practice: Use differentiation of polynomials to find equations of tangents and normals. | drfrostmaths.com/explorer.php?ssid=222 | https://www.youtube.com/embed/JW_VOWTm-Rc | E343 |

K343a | A Level, Secondary | Find an equation of a tangent to a polynomial curve. | drfrostmaths.com/explorer.php?ssid=913 | K809 | |

K343b | A Level, Secondary | Find an equation of a normal to a polynomial curve. | drfrostmaths.com/explorer.php?ssid=914 | K810 | |

K343c | A Level, Secondary | Determine an unknown coefficient or constant in the equation of a tangent or normal. | drfrostmaths.com/explorer.php?ssid=1805 | ||

E344 | A Level | Exam Practice: Integrate x^n (excluding n=-1) for rational n. | drfrostmaths.com/explorer.php?ssid=228 | https://www.youtube.com/embed/1Gic04ANEeQ | E344 |

K344a | A Level | Integrate a collection of terms in the form ax^b. | drfrostmaths.com/explorer.php?ssid=938 | K816 | |

K344b | A Level | Integrate a collection of terms in the form ax^b that may require rearrangement. | drfrostmaths.com/explorer.php?ssid=939 | K817 | |

K344c | A Level | Integrate an expression requiring bracket expansion. | drfrostmaths.com/explorer.php?ssid=940 | K818 | |

K344d | A Level | Integrate an expression written as a fraction with a single term on the denominator. | drfrostmaths.com/explorer.php?ssid=941 | K819 | |

E345 | A Level | Exam Practice: Determine a function given its derivative and a point. | drfrostmaths.com/explorer.php?ssid=230 | https://www.youtube.com/embed/IMzxmaPEeKg | E345 |

K345a | A Level | Find functions by integrating \frac{dy}{dx}. | drfrostmaths.com/explorer.php?ssid=942 | K820 | |

E346 | A Level | Exam Practice: Evaluate definite integrals, e.g. to find an area under a curve or area between curves. | drfrostmaths.com/explorer.php?ssid=229 | https://www.youtube.com/embed/e5RlHoflbpI | E346 |

K346a | A Level | Evaluate a definite integral where the integrand is a collection of terms in the form ax^b. | drfrostmaths.com/explorer.php?ssid=943 | K821 | |

K346b | A Level | Find the shaded area enclosed between a curve and the x-axis where the limits are roots. | drfrostmaths.com/explorer.php?ssid=1033 | K822 | |

K346c | A Level | 346d Determine the area enclosed between a curve, the x-axis and two given bounds. | drfrostmaths.com/explorer.php?ssid=1929 | ||

K346d | A Level | 346h Determine an area enclosed between a curve and the x-axis where the curve goes both above and below the axis. | drfrostmaths.com/explorer.php?ssid=1930 | ||

K346e | A Level | 346i Determine the area of a composite shape using integration, by adding areas. | drfrostmaths.com/explorer.php?ssid=1931 | ||

K346f | A Level | 346j Determine the area between a curve and line by subtraction of areas. | drfrostmaths.com/explorer.php?ssid=1932 | ||

K346g | A Level | 346k Determine the area enclosed between two curves, where the bounds are given. | drfrostmaths.com/explorer.php?ssid=1933 | ||

E347 | A Level | Exam Practice: Graphs of exponential functions, including y = e^{ax+b} + c. Exponential growth and decay. | drfrostmaths.com/explorer.php?ssid=214 | https://www.youtube.com/embed/lc1dhlKt7b8 | E347 |

E348 | A Level | Exam Practice: Graphs of \log_a(x) and \ln(x). | drfrostmaths.com/explorer.php?ssid=215 | https://www.youtube.com/embed/7FG8abd7F3Y | E348 |

E349 | A Level | Exam Practice: Laws of logs. | drfrostmaths.com/explorer.php?ssid=216 | https://www.youtube.com/embed/B_kXThIyKA4 | E349 |

K349a | A Level | Convert from index form to logarithmic form. | drfrostmaths.com/explorer.php?ssid=1727 | ||

K349b | A Level | Simplify logarithmic expressions. | drfrostmaths.com/explorer.php?ssid=912 | K823 | |

K349c | A Level | Solve logarithmic equations of the form \log_{a}x=b | drfrostmaths.com/explorer.php?ssid=915 | K824 | |

K349d | A Level | Use laws of logs to write a logarithm as an expression. | drfrostmaths.com/explorer.php?ssid=1756 | ||

K349e | A Level | Solve logarithmic equations of the form \log[\text{f}(x)]=\log[\text{g}(x)] | drfrostmaths.com/explorer.php?ssid=928 | K825 | |

K349f | A Level | Solve equations using logarithm product, quotient laws (excluding power law). | drfrostmaths.com/explorer.php?ssid=1652 | ||

K349g | A Level | Solve logarithmic equations by using the power law. | drfrostmaths.com/explorer.php?ssid=929 | K826 | |

K349h | A Level | Solve equations of the form a^{f(x)} = b^{g(x)}, for linear exponents, using logarithms. | drfrostmaths.com/explorer.php?ssid=1734 | ||

E350 | A Level | Exam Practice: Solve equations and manipulate expressions involving e^x and \ln(x). | drfrostmaths.com/explorer.php?ssid=365 | https://www.youtube.com/embed/LHnZs4urHV4 | E350 |

K350a | A Level | Solve exponential equations involving a single occurrence of e. | drfrostmaths.com/explorer.php?ssid=1103 | K827 | |

K350b | A Level | Solve logarithmic equations involving a single occurrence of \ln. | drfrostmaths.com/explorer.php?ssid=1104 | K828 | |

E351 | A Level | Exam Practice: Use log graphs to estimate parameters in y = ax^n and y = kb^x for given data in x and y. | drfrostmaths.com/explorer.php?ssid=217 | https://www.youtube.com/embed/4b7H6c_7W4I | E351 |

K351a | A Level | Use logarithms to estimate parameters of graphs with equation y=ab^x. | drfrostmaths.com/explorer.php?ssid=1107 | K830 | |

K351b | A Level | Use logarithms to estimate parameters of graphs with equation y=ax^b. | drfrostmaths.com/explorer.php?ssid=1106 | K831 | |

E352 | A Level | Exam Practice: Solve equations which are quadratic in another function, e.g. trigonometric. | drfrostmaths.com/explorer.php?ssid=181 | E352 | |

K352a | A Level | Solve a hidden quadratic of the form x^n by substitution. | drfrostmaths.com/explorer.php?ssid=951 | K771 | |

K352b | A Level | Solve a hidden quadratic of the form x^n by substitution, that requires multiplying through by x^2. | drfrostmaths.com/explorer.php?ssid=1170 | K772 | |

K352c | A Level | Solve a hidden quadratic involving exponentials (no log solutions). | drfrostmaths.com/explorer.php?ssid=1066 | K773 | |

K352d | A Level | Solve quadratic equations with trigonometric functions. | drfrostmaths.com/explorer.php?ssid=892 | K798 | |

K352e | A Level | Solve a hidden quadratic involving exponentials (with log solutions). | drfrostmaths.com/explorer.php?ssid=1062 | K829 | |

E353 | A Level | Exam Practice: Further sampling techniques, including systematic, quota and opportunity sampling. | drfrostmaths.com/explorer.php?ssid=298 | E353 | |

K353a | A Level | Identify the different types of sampling. | drfrostmaths.com/explorer.php?ssid=1182 | K832 | |

K353b | A Level | Describe how to take a random sample. | drfrostmaths.com/explorer.php?ssid=1183 | K833 | |

E354 | A Level | Exam Practice: Knowledge of the Edexcel large data set. | drfrostmaths.com/explorer.php?ssid=439 | E354 | |

E355 | A Level | Exam Practice: Variance of grouped or ungrouped data. | drfrostmaths.com/explorer.php?ssid=301 | E355 | |

K355a | A Level | Find the variance or standard deviation of listed data. | drfrostmaths.com/explorer.php?ssid=1543 | K836 | |

K355b | A Level | Find the variance or standard deviation using \sum x and \sum x^2. | drfrostmaths.com/explorer.php?ssid=1199 | K835 | |

K355c | A Level | Find the variance or standard deviation of grouped data. | drfrostmaths.com/explorer.php?ssid=1114 | K837 | |

E356 | A Level | Exam Practice: Interpolation to find median, quartiles and percentiles. | drfrostmaths.com/explorer.php?ssid=302 | E356 | |

K356a | A Level | Estimate the median of grouped data using interpolation. | drfrostmaths.com/explorer.php?ssid=1088 | K838 | |

K356b | A Level | Estimate the median of grouped data where intervals have gaps. | drfrostmaths.com/explorer.php?ssid=1185 | K839 | |

K356c | A Level | Find quartiles or percentiles of grouped data using interpolation. | drfrostmaths.com/explorer.php?ssid=1092 | K840 | |

E357 | A Level | Exam Practice: Coding data. | drfrostmaths.com/explorer.php?ssid=451 | E357 | |

K357a | A Level | Find the mean and standard deviation of coded data. | drfrostmaths.com/explorer.php?ssid=1186 | K841 | |

K357b | A Level | Find the mean and standard deviation given the coded mean and standard deviation. | drfrostmaths.com/explorer.php?ssid=1187 | K842 | |

E358 | A Level | Exam Practice: Box plots involving outliers. | drfrostmaths.com/explorer.php?ssid=299 | E358 | |

K358a | A Level | Identify an outlier from listed data. | drfrostmaths.com/explorer.php?ssid=1189 | K843 | |

E359 | A Level | Exam Practice: Use and interpret the equation of a regression line. | drfrostmaths.com/explorer.php?ssid=448 | E359 | |

E360 | A Level | Exam Practice: Understand functional notation for discrete random variables. | drfrostmaths.com/explorer.php?ssid=542 | E360 | |

E361 | A Level | Exam Practice: Binomial Distribution. | drfrostmaths.com/explorer.php?ssid=305 | E361 | |

K361a | A Level | Calculate binomial probabilities in the form P(X=x) (no context). | drfrostmaths.com/explorer.php?ssid=1524 | K851 | |

K361b | A Level | Calculate binomial probabilities in the form P(X=x) from a worded problem. | drfrostmaths.com/explorer.php?ssid=1525 | K852 | |

K361c | A Level | Calculate binomial probabilities (no context). | drfrostmaths.com/explorer.php?ssid=1087 | K853 | |

K361d | A Level | Calculate binomial probabilities from a worded problem. | drfrostmaths.com/explorer.php?ssid=1317 | K854 | |

K361e | A Level | Use a binomial probability to calculate another binomial probability. | drfrostmaths.com/explorer.php?ssid=1345 | K855 | |

K361f | A Level | Set up an inequality in a binomial distribution context. | drfrostmaths.com/explorer.php?ssid=1560 | K991 | |

E362 | A Level | Exam Practice: Conduct hypothesis test for p in Binomial Model. | drfrostmaths.com/explorer.php?ssid=316 | E362 | |

K362a | A Level | Find the critical region for a one-tailed hypothesis test using a Binomial model. | drfrostmaths.com/explorer.php?ssid=1318 | K856 | |

K362b | A Level | Conduct a one-tailed hypothesis test on a binomial model. | drfrostmaths.com/explorer.php?ssid=1320 | K858 | |

K362c | A Level | Find the critical region for a two-tailed hypothesis test using a Binomial model. | drfrostmaths.com/explorer.php?ssid=1319 | K857 | |

K362d | A Level | Conduct a two-tailed hypothesis test on a binomial model. | drfrostmaths.com/explorer.php?ssid=1321 | K859 | |

E363 | A Level | Exam Practice: 'suvat' equations (excluding forces). | drfrostmaths.com/explorer.php?ssid=324 | E363 | |

K363a | A Level | Use the constant acceleration formula v=u+at. | drfrostmaths.com/explorer.php?ssid=916 | K863 | |

K363b | A Level | Use the constant acceleration formula s=\left(\frac{u+v}{2}\right)t. | drfrostmaths.com/explorer.php?ssid=917 | K864 | |

K363c | A Level | Use the constant acceleration formula v^2=u^2+2as. | drfrostmaths.com/explorer.php?ssid=918 | K865 | |

K363d | A Level | Use the constant acceleration formula s=ut+\frac{1}{2}at^2. | drfrostmaths.com/explorer.php?ssid=919 | K866 | |

K363e | A Level | Use the constant acceleration formula s=vt-\frac{1}{2}at^2. | drfrostmaths.com/explorer.php?ssid=1635 | ||

K363f | A Level | Use constant acceleration formulae. | drfrostmaths.com/explorer.php?ssid=920 | K867 | |

K363g | A Level | Use the constant acceleration formulae with two linked objects | drfrostmaths.com/explorer.php?ssid=1622 | ||

E364 | A Level | Exam Practice: Projectile motion in 1D. | drfrostmaths.com/explorer.php?ssid=326 | E364 | |

K364a | A Level | Find the greatest height or total distance travelled when a particle is projected vertically upwards. | drfrostmaths.com/explorer.php?ssid=921 | K868 | |

K364b | A Level | Find the time of flight of a particle projected vertically. | drfrostmaths.com/explorer.php?ssid=922 | K869 | |

K364c | A Level | Use constant acceleration formulae for two particles colliding in vertical motion. | drfrostmaths.com/explorer.php?ssid=1629 | ||

E365 | A Level | Exam Practice: Forces on a single particle in equibrium, not on an inclined plane, no F = μR. | drfrostmaths.com/explorer.php?ssid=517 | E365 | |

K365a | A Level | Find the magnitude of missing forces when a particle is in equilibrium. | drfrostmaths.com/explorer.php?ssid=923 | K870 | |

E366 | A Level | Exam Practice: Forces on an accelerating single particle, not on an inclined plane, no F = μR. | drfrostmaths.com/explorer.php?ssid=521 | E366 | |

K366a | A Level | Find the magnitude of missing forces when a particle is accelerating. | drfrostmaths.com/explorer.php?ssid=924 | K871 | |

K366b | A Level | Find the acceleration of a particle. | drfrostmaths.com/explorer.php?ssid=925 | K872 | |

E367 | A Level | Exam Practice: Forces on connected particles in equilibrium, not on an inclined plane, no F = μR. | drfrostmaths.com/explorer.php?ssid=525 | E367 | |

E368 | A Level | Exam Practice: Forces on accelerating connected particles, not on an inclined plane, no F = μR. | drfrostmaths.com/explorer.php?ssid=529 | E368 | |

K368a | A Level | Find the tension in the string connecting two particles on smooth horizontal ground. | drfrostmaths.com/explorer.php?ssid=926 | K873 | |

K368b | A Level | Find the tension in the string connecting two particles on rough horizontal ground. | drfrostmaths.com/explorer.php?ssid=927 | K874 | |

K368c | A Level | Find the tension in the string attached to a lift. | drfrostmaths.com/explorer.php?ssid=1596 | ||

K368d | A Level | Find the acceleration of two particles connected by a string passing over a smooth pulley. | drfrostmaths.com/explorer.php?ssid=930 | K875 | |

K368e | A Level | Find the acceleration of two particles connected by a string passing over a smooth pulley on the corner of a table. | drfrostmaths.com/explorer.php?ssid=931 | K876 | |

K368f | A Level | Find the maximum height reached by a particle connected to another by a string passing over a pulley. | drfrostmaths.com/explorer.php?ssid=1251 | K877 | |

K368g | A Level | Find the tension in the string passing over a smooth pulley connecting particles whose mass are variables. | drfrostmaths.com/explorer.php?ssid=1604 | ||

K368h | A Level | Find the tension, acceleration and mass when three particles are joined by strings with one string passing over a smooth pulley and the masses are variable | drfrostmaths.com/explorer.php?ssid=1660 | ||

K368i | A Level | Test A KNIGHTS | drfrostmaths.com/explorer.php?ssid=1683 | ||

E369 | A Level | Exam Practice: Calculus in kinematics for motion in a straight line, e.g. v = dr/dt, in 1 dimension. | drfrostmaths.com/explorer.php?ssid=325 | E369 | |

K369a | A Level | Use differentiation to find an expression for the velocity or the acceleration of a particle. | drfrostmaths.com/explorer.php?ssid=1322 | K878 | |

K369b | A Level | Use differentiation to find the velocity or the acceleration of a particle at a given instant. | drfrostmaths.com/explorer.php?ssid=1323 | K879 | |

K369c | A Level | Use integration to find an expression for the displacement or the velocity of a particle. | drfrostmaths.com/explorer.php?ssid=1329 | K880 | |

K369d | A Level | Use integration to find the displacement or the velocity of a particle at a given instant. | drfrostmaths.com/explorer.php?ssid=1330 | K881 | |

E370 | A Level | Exam Practice: Add and subtract algebraic fractions, requiring prior factorisation of the denominators. | drfrostmaths.com/explorer.php?ssid=361 | https://www.youtube.com/embed/oSy_5CWt3Dg | E370 |

K370a | A Level | Adding/Subtracting Algebraic Fractions where factorising is required (changing one denominator). | drfrostmaths.com/explorer.php?ssid=1672 | ||

K370b | A Level | Adding/Subtracting Algebraic Fractions where factorising is required (changing two denominators). | drfrostmaths.com/explorer.php?ssid=1677 | ||

K370c | A Level | K370d: Solve an equation with fractions requiring prior factorisation of one of the fractions. | drfrostmaths.com/explorer.php?ssid=1973 | ||

E371 | A Level | Exam Practice: Decompose rational expressions into partial fractions. | drfrostmaths.com/explorer.php?ssid=184 | https://www.youtube.com/embed/e8xWWDFQXpY | E371 |

K371a | A Level | Decompose a rational function into partial fractions:\ \frac{ax+b}{(cx \pm d)(ex \pm f)} | drfrostmaths.com/explorer.php?ssid=907 | K882 | |

K371b | A Level | Decompose a rational function into partial fractions:\ \frac{ax^2+bx+c}{(dx \pm e)(fx \pm g)} | drfrostmaths.com/explorer.php?ssid=1574 | K994 | |

K371c | A Level | Decompose a rational function into partial fractions: \frac{ax \pm b}{(cx \pm d)(ex \pm f)(gx \pm h)} | drfrostmaths.com/explorer.php?ssid=891 | K883 | |

K371d | A Level | Decompose a rational function into partial fractions: \frac{ax \pm b}{(cx \pm d)(ex \pm f)^2} | drfrostmaths.com/explorer.php?ssid=895 | K884 | |

E372 | A Level | Exam Practice: Proof by deduction and exhaustion. | drfrostmaths.com/explorer.php?ssid=159 | E372 | |

E373 | A Level | Exam Practice: Domain and range of more advanced functions (e.g. exponential) and many-to-one/one-to-one functions. | drfrostmaths.com/explorer.php?ssid=363 | https://www.youtube.com/embed/v1wjiHN30q8 | E373 |

K373a | A Level | Find the range of a function (including exponential, quadratic, linear). | drfrostmaths.com/explorer.php?ssid=1265 | K892 | |

K373b | A Level | Find the range of a quadratic function. | drfrostmaths.com/explorer.php?ssid=1550 | K891 | |

K373c | A Level | Find the range of a rational function f(x)=\frac{ax+b}{cx+d}. | drfrostmaths.com/explorer.php?ssid=1777 | ||

E374 | A Level | Exam Practice: Composite functions involving more advanced terms (e.g. e^x) | drfrostmaths.com/explorer.php?ssid=188 | https://www.youtube.com/embed/rJUzSg4he4M | E374 |

K374a | A Level | Find the algebraic output of a composite function (including e^x) | drfrostmaths.com/explorer.php?ssid=1741 | ||

E375 | A Level | Exam Practice: Inverse functions involving more advanced terms (e.g. e^x) | drfrostmaths.com/explorer.php?ssid=364 | https://www.youtube.com/embed/6O8mMPqgaS4 | E375 |

K375a | A Level | Find the inverse of a function with multiple occurrences of x. | drfrostmaths.com/explorer.php?ssid=1179 | K887 | |

K375b | A Level | Find the inverse of exponential and logarithmic functions. | drfrostmaths.com/explorer.php?ssid=1719 | ||

K375c | A Level | Find the inverse of a quadratic function. | drfrostmaths.com/explorer.php?ssid=1738 | ||

E376 | A Level | Exam Practice: Solving equations and sketching graphs involving the modulus function. | drfrostmaths.com/explorer.php?ssid=187 | https://www.youtube.com/embed/8gsku6lHo9E | E376 |

K376a | A Level | Plot the graph of a modulus function. | drfrostmaths.com/explorer.php?ssid=1175 | K885 | |

K376b | A Level | Solve an equation in the form \left|ax+b\right|=cx+d. | drfrostmaths.com/explorer.php?ssid=1223 | K890 | |

E377 | A Level | Exam Practice: Solve inequalities involving the modulus function. | drfrostmaths.com/explorer.php?ssid=183 | https://www.youtube.com/embed/8gsku6lHo9E | E377 |

E378 | A Level | Exam Practice: Increasing, decreasing and periodic sequences. | drfrostmaths.com/explorer.php?ssid=201 | E378 | |

E379 | A Level, Secondary | Exam Practice: nth term formula for arithmetic sequences. | drfrostmaths.com/explorer.php?ssid=203 | E379 | |

K379a | A Level, Secondary | Find the first term and common difference for an arithmetic sequence (two unknowns). | drfrostmaths.com/explorer.php?ssid=908 | K894 | |

K379b | A Level, Secondary | Find the least number of terms for an arithmetic series to exceed a given value. | drfrostmaths.com/explorer.php?ssid=1206 | K896 | |

E380 | A Level, Secondary | Exam Practice: Sum terms in an arithmetic series. | drfrostmaths.com/explorer.php?ssid=587 | E380 | |

K380a | A Level, Secondary | Find the sum of an arithmetic series. | drfrostmaths.com/explorer.php?ssid=1205 | K893 | |

K380b | A Level, Secondary | Find the sum of an arithmetic series from a word problem. | drfrostmaths.com/explorer.php?ssid=1583 | K997 | |

K380c | A Level, Secondary | Find the first term and common difference for arithmetic series (two unknowns). | drfrostmaths.com/explorer.php?ssid=909 | K895 | |

E381 | A Level | Exam Practice: nth term formula for a geometric sequence. | drfrostmaths.com/explorer.php?ssid=204 | E381 | |

K381a | A Level | Find the first term and common difference for an geometric sequence (two unknowns). | drfrostmaths.com/explorer.php?ssid=1052 | K897 | |

E382 | A Level | Exam Practice: Sum terms in a geometric series (including the sum to infinity). | drfrostmaths.com/explorer.php?ssid=588 | E382 | |

K382a | A Level | Find the sum of a geometric series. | drfrostmaths.com/explorer.php?ssid=1208 | K898 | |

K382b | A Level | Find the sum to infinity of a geometric series. | drfrostmaths.com/explorer.php?ssid=1209 | K900 | |

K382c | A Level | Find the first term or the common ratio of a series given its sum to infinity. | drfrostmaths.com/explorer.php?ssid=1210 | K901 | |

K382d | A Level | Find the least number of terms for a geometric series to exceed a given value. | drfrostmaths.com/explorer.php?ssid=1207 | K899 | |

E383 | A Level | Exam Practice: Sigma notation for sums of series. | drfrostmaths.com/explorer.php?ssid=202 | E383 | |

K383a | A Level | Use sigma notation to find the sum of an arithmetic or geometric series. | drfrostmaths.com/explorer.php?ssid=1328 | K902 | |

E384 | A Level | Exam Practice: Recurrence relations of the form x_{n+1} = f(x_n) | drfrostmaths.com/explorer.php?ssid=200 | E384 | |

K384a | A Level | Find the order of a periodic sequence. | drfrostmaths.com/explorer.php?ssid=1578 | K995 | |

E385 | A Level | Exam Practice: Binomial expansion of (a + bx)^n where n is any rational number. | drfrostmaths.com/explorer.php?ssid=199 | E385 | |

K385a | A Level | Binomial expansion for (1 \pm kx)^n, where n is a rational number. | drfrostmaths.com/explorer.php?ssid=1001 | K903 | |

K385b | A Level | Binomial expansion for (a \pm kx)^n, where n is a rational number. | drfrostmaths.com/explorer.php?ssid=1004 | K904 | |

E386 | A Level | Exam Practice: Understand and use radians for formulae for arc lengths and areas of sectors, and lengths, angles and areas of triangles. | drfrostmaths.com/explorer.php?ssid=208 | E386 | |

K386a | A Level | Convert between degrees and radians. | drfrostmaths.com/explorer.php?ssid=1079 | K905 | |

K386b | A Level | Find the lengths of arcs and areas of sectors in radians (one unknown). | drfrostmaths.com/explorer.php?ssid=1616 | ||

K386c | A Level | Solve problems involving arc length and sector area (in radians). | drfrostmaths.com/explorer.php?ssid=1105 | K907 | |

K386d | A Level | REMOVED Find the lengths of arcs and areas of sectors in radians (one unknown). | drfrostmaths.com/explorer.php?ssid=1100 | K906 | |

E387 | A Level | Exam Practice: Small angle approximations for sine, cosine and tangent when in radians. | drfrostmaths.com/explorer.php?ssid=209 | E387 | |

K387a | A Level | Use small angle approximations. | drfrostmaths.com/explorer.php?ssid=1326 | K909 | |

E388 | A Level | Exam Practice: Solve trigonometric equations, involving sin, cos and tan, in an interval in radians. | drfrostmaths.com/explorer.php?ssid=516 | E388 | |

K388a | A Level | Solve a trigonometric equation in the form \sin \left(ax\right) = k where x is in radians. | drfrostmaths.com/explorer.php?ssid=1222 | K908 | |

E389 | A Level | Exam Practice: Graphs of sec, cosec and cot. | drfrostmaths.com/explorer.php?ssid=210 | E389 | |

E390 | A Level | Exam Practice: Angle sum and double/half angle formulae for sin, cos and tan. | drfrostmaths.com/explorer.php?ssid=211 | E390 | |

K390a | A Level | Use the compound angle formulae leading to \tan x = a. | drfrostmaths.com/explorer.php?ssid=1587 | K999 | |

E391 | A Level | Exam Practice: Express a \cos(x) + b \sin(x) in the form r \cos(x + k) or r \sin(x+k) | drfrostmaths.com/explorer.php?ssid=212 | E391 | |

K391a | A Level | Use the harmonic addition theorem to write a\cos x+b\sin x in the form R\cos(x+\alpha). | drfrostmaths.com/explorer.php?ssid=899 | K912 | |

E392 | A Level | Exam Practice: Construct proofs involving sec, cosec and cot. | drfrostmaths.com/explorer.php?ssid=514 | E392 | |

E393 | A Level | Exam Practice: Solve trigonometric equations, involving sec, cosec and cot, in an interval. | drfrostmaths.com/explorer.php?ssid=515 | E393 | |

K393a | A Level | Solve a trigonometric equation with \sec, cosec and \cot in the form sec(ax+b) = k where x is in degrees | drfrostmaths.com/explorer.php?ssid=900 | K910 | |

K393b | A Level | Solve quadratic equations in terms of \sec, \operatorname{cosec} or \cot. | drfrostmaths.com/explorer.php?ssid=901 | K911 | |

E394 | A Level | Exam Practice: Understand parametric equations and convert between Cartesian and parametric forms. | drfrostmaths.com/explorer.php?ssid=197 | https://www.youtube.com/embed/CQgB7tHPyY4 | E394 |

E395 | A Level | Exam Practice: Differentiate exponential functions and \ln(x). | drfrostmaths.com/explorer.php?ssid=225 | https://www.youtube.com/embed/xqIropQ-q1Y | E395 |

E396 | A Level | Exam Practice: Product, quotient and chain rules. | drfrostmaths.com/explorer.php?ssid=226 | https://www.youtube.com/embed/FtTUSAN9Hg4 | E396 |

K396a | A Level | Apply the chain rule for functions in the form f(x)=a(bx+c)^d | drfrostmaths.com/explorer.php?ssid=984 | K913 | |

K396b | A Level | Apply the chain rule for functions in the form f(x)=a(P(x))^b where P(x) is a polynomial. | drfrostmaths.com/explorer.php?ssid=985 | K914 | |

K396c | A Level | Apply the chain rule for logs, exponentials and basic trigonometric functions in the form f(x)=a\cos(bx+c) | drfrostmaths.com/explorer.php?ssid=986 | K915 | |

K396d | A Level | Apply the chain rule for logs, exponentials and basic trigonometric functions in the form f(x)=a\cos(bx^c+cx^d) | drfrostmaths.com/explorer.php?ssid=994 | K916 | |

K396e | A Level | Use the product rule with simple functions. | drfrostmaths.com/explorer.php?ssid=1588 | K1000 | |

K396f | A Level | Use the product rule and the chain rule within a single expression. | drfrostmaths.com/explorer.php?ssid=1589 | K1001 | |

K396g | A Level | Use the quotient rule with simple functions. | drfrostmaths.com/explorer.php?ssid=1590 | K1002 | |

K396h | A Level | Use the quotient rule and the chain rule within a single expression. | drfrostmaths.com/explorer.php?ssid=1591 | K1003 | |

K396i | A Level | Dev | drfrostmaths.com/explorer.php?ssid=1680 | ||

E397 | A Level | Exam Practice: Use implicit differentiation. | drfrostmaths.com/explorer.php?ssid=437 | https://www.youtube.com/embed/26Bitr8kWgk | E397 |

E398 | A Level | Exam Practice: Differentiate trigonometric functions, e.g. sin and sec (excluding hyperbolic). | drfrostmaths.com/explorer.php?ssid=438 | https://www.youtube.com/embed/SXGne4Sj_MU | E398 |

E399 | A Level | Exam Practice: Connected rates of change using the chain rule. | drfrostmaths.com/explorer.php?ssid=462 | https://www.youtube.com/embed/s1nWynPfUSY | E399 |

E400 | A Level | Exam Practice: Differentiate parametric equations. | drfrostmaths.com/explorer.php?ssid=227 | https://www.youtube.com/embed/SI0lT8IqSAM | E400 |

E401 | A Level | Exam Practice: Use differentiation of non-polynomials to find equations of tangents and normals. | drfrostmaths.com/explorer.php?ssid=512 | E401 | |

E402 | A Level | Exam Practice: Maxima and minima and stationary points for non-polynomial equations. | drfrostmaths.com/explorer.php?ssid=513 | E402 | |

E403 | A Level | Exam Practice: Differentiate inverse trigonometric functions. | drfrostmaths.com/explorer.php?ssid=239 | E403 | |

E404 | A Level | Exam Practice: Understand the significance of sign changes in locating roots to f(x) = 0 and where it fails. | drfrostmaths.com/explorer.php?ssid=281 | E404 | |

E405 | A Level | Exam Practice: Use iteration on more advanced functions, and understand cobweb and staircase diagrams. | drfrostmaths.com/explorer.php?ssid=282 | E405 | |

E406 | A Level | Exam Practice: Solve equations using the Newton-Raphson method. | drfrostmaths.com/explorer.php?ssid=283 | E406 | |

E407 | A Level | Exam Practice: Integrate exponential, trigonometric functions and \frac{1}{x}. | drfrostmaths.com/explorer.php?ssid=231 | https://www.youtube.com/embed/-wfk6oAXQ80 | E407 |

K407a | A Level | Integrate standard functions (no chain rule). | drfrostmaths.com/explorer.php?ssid=1334 | K917 | |

K407b | A Level | Integrate \sin^2 x or \cos^2 x. | drfrostmaths.com/explorer.php?ssid=1631 | ||

E408 | A Level | Exam Practice: Integrate by inspection. | drfrostmaths.com/explorer.php?ssid=368 | https://www.youtube.com/embed/FBKuSOICxkk | E408 |

K408a | A Level | Integrate standard functions in the form f(ax+b). | drfrostmaths.com/explorer.php?ssid=1335 | K918 | |

K408b | A Level | Integrate expressions in the form \int x^a(bx^c+d)^e dx by inspection. | drfrostmaths.com/explorer.php?ssid=1305 | K919 | |

E409 | A Level | Exam Practice: Integrate by substitution. | drfrostmaths.com/explorer.php?ssid=232 | https://www.youtube.com/embed/ibmND5Mwm_E | E409 |

K409a | A Level | Find an integral using a given substitution into x^n. | drfrostmaths.com/explorer.php?ssid=1478 | K950 | |

E410 | A Level | Exam Practice: Integrate by parts. | drfrostmaths.com/explorer.php?ssid=233 | https://www.youtube.com/embed/z1aznGsx_Yk | E410 |

K410a | A Level | Find an integral using integration by parts. | drfrostmaths.com/explorer.php?ssid=1479 | K951 | |

K410b | A Level | Find an integral using integration by parts twice. | drfrostmaths.com/explorer.php?ssid=1480 | K952 | |

E411 | A Level | Exam Practice: Integrate using partial fractions. | drfrostmaths.com/explorer.php?ssid=234 | https://www.youtube.com/embed/l_sBYRZ4Ykk | E411 |

E412 | A Level | Exam Practice: Solve first order differential equations. | drfrostmaths.com/explorer.php?ssid=235 | https://www.youtube.com/embed/S9sXzIYf0xE | E412 |

E413 | A Level | Exam Practice: Integrate parametric equations. | drfrostmaths.com/explorer.php?ssid=454 | https://www.youtube.com/embed/4Ziy6LXtC5Y | E413 |

E414 | A Level | Exam Practice: Use the trapezium rule formula to approximate an area under a curve, including for more advanced functions. | drfrostmaths.com/explorer.php?ssid=284 | E414 | |

E415 | A Level | Exam Practice: Product Moment Correlation Coefficient, including effect of coding. | drfrostmaths.com/explorer.php?ssid=322 | E415 | |

E416 | A Level | Exam Practice: Conduct a hypothesis test on a correlation coefficient. | drfrostmaths.com/explorer.php?ssid=319 | E416 | |

E417 | A Level | Exam Practice: Set Notation for Probability | drfrostmaths.com/explorer.php?ssid=450 | E417 | |

E418 | A Level | Exam Practice: Conditional probability formulae | drfrostmaths.com/explorer.php?ssid=304 | E418 | |

K418a | A Level | Use the conditional probability formula to find P(A\cap B) | drfrostmaths.com/explorer.php?ssid=1584 | K998 | |

E419 | A Level | Exam Practice: Addition Law for Probability | drfrostmaths.com/explorer.php?ssid=449 | E419 | |

E420 | A Level | Exam Practice: Permutations and Combinations | drfrostmaths.com/explorer.php?ssid=483 | E420 | |

E421 | A Level | Exam Practice: Properties of the normal distribution and finding the probability of ranges. | drfrostmaths.com/explorer.php?ssid=309 | E421 | |

K421a | A Level | Calculate probabilities with the Normal distribution (no context). | drfrostmaths.com/explorer.php?ssid=1228 | K920 | |

E422 | A Level | Exam Practice: Inverse Normal Distribution. | drfrostmaths.com/explorer.php?ssid=452 | E422 | |

K422a | A Level | Use the inverse normal distribution. | drfrostmaths.com/explorer.php?ssid=1229 | K921 | |

K422b | A Level | Use the inverse normal distribution with a double inequality. | drfrostmaths.com/explorer.php?ssid=1232 | K922 | |

E423 | A Level | Exam Practice: Standard Normal Distribution (including unknown mean and standard deviation). | drfrostmaths.com/explorer.php?ssid=453 | E423 | |

K423a | A Level | Find the mean of a normal distribution. | drfrostmaths.com/explorer.php?ssid=1230 | K923 | |

K423b | A Level | Find the standard deviation of a normal distribution. | drfrostmaths.com/explorer.php?ssid=1231 | K924 | |

K423c | A Level | Find the mean and standard deviation of a normal distribution. | drfrostmaths.com/explorer.php?ssid=1762 | ||

E424 | A Level | Exam Practice: Normal Distribution as an approximation to a Binomial Distribution. | drfrostmaths.com/explorer.php?ssid=310 | E424 | |

K424a | A Level | Approximate a binomial distribution using the normal distribution. | drfrostmaths.com/explorer.php?ssid=1264 | K925 | |

E425 | A Level | Exam Practice: Conduct a hypothesis test for the mean of a Normal Distribution. | drfrostmaths.com/explorer.php?ssid=317 | E425 | |

K425a | A Level | Use the central limit theorem. | drfrostmaths.com/explorer.php?ssid=1494 | K964 | |

E426 | A Level | Exam Practice: Solve problems involving moments, with forces in a single plane (e.g. rods, suspended bar) | drfrostmaths.com/explorer.php?ssid=327 | E426 | |

K426a | A Level | Calculate the moment of a force about a point. | drfrostmaths.com/explorer.php?ssid=1089 | K926 | |

K426b | A Level | Calculate the resulting moment of perpendicular forces about a point. | drfrostmaths.com/explorer.php?ssid=1097 | K927 | |

K426c | A Level | Calculate the resulting moment of inclined forces about a point. | drfrostmaths.com/explorer.php?ssid=1166 | K928 | |

K426d | A Level | Find the reaction forces on a uniform rod resting on two supports. | drfrostmaths.com/explorer.php?ssid=1167 | K929 | |

K426e | A Level | Find the distance of a support from a point on a uniform rod when the rod is in equilibrium. | drfrostmaths.com/explorer.php?ssid=1168 | K930 | |

K426f | A Level | Find a distance on a uniform rod when reaction forces are connected. | drfrostmaths.com/explorer.php?ssid=1169 | K931 | |

K426g | A Level | Find the reaction forces on a non-uniform rod resting on two supports. | drfrostmaths.com/explorer.php?ssid=1171 | K932 | |

K426h | A Level | Find the centre of mass of a non-uniform rod resting on two supports. | drfrostmaths.com/explorer.php?ssid=1172 | K933 | |

K426i | A Level | Find the centre of mass of a non-uniform rod resting on a single support. | drfrostmaths.com/explorer.php?ssid=1173 | K934 | |

E427 | A Level | Exam Practice: Forces on a single particle in equibrium, not on an inclined plane, using F = μR. | drfrostmaths.com/explorer.php?ssid=518 | E427 | |

K427a | A Level | Find the coefficient of friction where a horizontal force pull a particle in limiting equilibrium. | drfrostmaths.com/explorer.php?ssid=1200 | K935 | |

E428 | A Level | Exam Practice: Forces on a single particle in equibrium, on an inclined plane/inclined forces, no F = μR. | drfrostmaths.com/explorer.php?ssid=519 | E428 | |

K428a | A Level | Find the force needed to hold a particle in equilibrium on a smooth inclined plane, when the force is parallel to the plane. | drfrostmaths.com/explorer.php?ssid=1694 | ||

K428b | A Level | Find the force needed to hold a particle in equilibrium on a smooth inclined plane, when the force is horizontal. | drfrostmaths.com/explorer.php?ssid=1698 | ||

K428c | A Level | Find the force needed to hold a particle in equilibrium on a smooth inclined plane, when the force is neither horizontal or parallel to the plane. | drfrostmaths.com/explorer.php?ssid=1700 | ||

K428d | A Level | Find the unknown force or mass when a particle attached to a string is held in equilibrium by a horizontal force. | drfrostmaths.com/explorer.php?ssid=1701 | ||

K428e | A Level | Find the unknown force or mass when a particle attached to a string is held in equilibrium by a force that is not horizontal. | drfrostmaths.com/explorer.php?ssid=1703 | ||

E429 | A Level | Exam Practice: Forces on a single particle in equibrium, on an inclined plane/inclined forces, using F = μR. | drfrostmaths.com/explorer.php?ssid=520 | E429 | |

K429a | A Level | Find the coefficient of friction where an inclined force pull a particle in limiting equilibrium. | drfrostmaths.com/explorer.php?ssid=1201 | K936 | |

E430 | A Level | Exam Practice: Forces on an accelerating single particle, not on an inclined plane, using F = μR. | drfrostmaths.com/explorer.php?ssid=522 | E430 | |

K430a | A Level | Find the acceleration of a particle on a rough horizontal plane pulled by a horizontal force. | drfrostmaths.com/explorer.php?ssid=1203 | K937 | |

E431 | A Level | Exam Practice: Forces on an accelerating single particle, on an inclined plane/inclined forces, no F = μR. | drfrostmaths.com/explorer.php?ssid=523 | E431 | |

K431a | A Level | Find the acceleration of a particle pulled by a string on an inclined plane. | drfrostmaths.com/explorer.php?ssid=1198 | K948 | |

E432 | A Level | Exam Practice: Forces on an accelerating single particle, on an inclined plane/inclined forces, using F = μR. | drfrostmaths.com/explorer.php?ssid=524 | E432 | |

K432a | A Level | Find the acceleration of a particle on a rough horizontal plane pulled by an inclined force. | drfrostmaths.com/explorer.php?ssid=1204 | K938 | |

K432b | A Level | Find the coefficient of friction of a particle accelerating on an inclined plane. | drfrostmaths.com/explorer.php?ssid=1249 | K939 | |

E433 | A Level | Exam Practice: Projectile motion in 2D. | drfrostmaths.com/explorer.php?ssid=485 | E433 | |

K433a | A Level | Find the horizontal displacement of a particle projected horizontally. | drfrostmaths.com/explorer.php?ssid=1215 | K941 | |

K433b | A Level | Find the vertical displacement of a particle projected horizontally. | drfrostmaths.com/explorer.php?ssid=1216 | K942 | |

K433c | A Level | Find the time taken for a particle to reach the ground after being projected horizontally. | drfrostmaths.com/explorer.php?ssid=1217 | K943 | |

K433d | A Level | Find the initial velocity of a particle projected horizontally. | drfrostmaths.com/explorer.php?ssid=1218 | K944 | |

K433e | A Level | Find the maximum height of a particle projected at an angle. | drfrostmaths.com/explorer.php?ssid=1219 | K945 | |

K433f | A Level | Find the angle of projection of a particle given the maximum height it has reached. | drfrostmaths.com/explorer.php?ssid=1220 | K946 | |

K433g | A Level | Find the initial velocity of a particle projected at an angle. | drfrostmaths.com/explorer.php?ssid=1221 | K947 | |

K433h | A Level | Find the height of a particle projected at an unknown angle at a specific instant. | drfrostmaths.com/explorer.php?ssid=1509 | K974 | |

E434 | A Level | Exam Practice: Forces on connected particles in equilibrium, not on an inclined plane, using F = μR. | drfrostmaths.com/explorer.php?ssid=526 | E434 | |

E435 | A Level | Exam Practice: Forces on connected particles in equilibrium, on an inclined plane/inclined forces, no F = μR. | drfrostmaths.com/explorer.php?ssid=527 | E435 | |

E436 | A Level | Exam Practice: Forces on connected particles in equilibrium, on an inclined plane/inclined forces, using F = μR. | drfrostmaths.com/explorer.php?ssid=528 | E436 | |

E437 | A Level | Exam Practice: Forces on accelerating connected particles, not on an inclined plane, using F = μR. | drfrostmaths.com/explorer.php?ssid=530 | E437 | |

E438 | A Level | Exam Practice: Forces on accelerating connected particles, on an inclined plane/inclined forces, no F = μR. | drfrostmaths.com/explorer.php?ssid=531 | E438 | |

E439 | A Level | Exam Practice: Forces on accelerating connected particles, on an inclined plane/inclined forces, using F = μR. | drfrostmaths.com/explorer.php?ssid=532 | E439 | |

E440 | A Level | Exam Practice: Solve static rigid body problems with forces in multiple planes, e.g. with hinges/ladders. | drfrostmaths.com/explorer.php?ssid=533 | E440 | |

K440j | A Level | Find the coefficient of friction of a ladder resting on a wall in limiting equilibrium. | drfrostmaths.com/explorer.php?ssid=1242 | K940 | |

E441 | A Level | Exam Practice: Vector calculations for displacement or velocity. | drfrostmaths.com/explorer.php?ssid=436 | E441 | |

E442 | A Level | Exam Practice: Calculus in kinematics for motion in a straight line, in 2 dimensions. | drfrostmaths.com/explorer.php?ssid=446 | E442 | |

E443 | A Level | Exam Practice: Solve quadratic equations to find potentially complex roots. | drfrostmaths.com/explorer.php?ssid=161 | E443 | |

K443a | A Level | Solve quadratic equations with complex solutions. | drfrostmaths.com/explorer.php?ssid=1500 | K969 | |

K443b | A Level | Find a quadratic equation given one of its complex roots. | drfrostmaths.com/explorer.php?ssid=1503 | K972 | |

E444 | A Level | Exam Practice: Solve cubic and quartic equations to find potentially complex roots. | drfrostmaths.com/explorer.php?ssid=162 | E444 | |

K444a | A Level | Solve a cubic equation with complex roots. | drfrostmaths.com/explorer.php?ssid=1504 | K973 | |

E445 | A Level | Exam Practice: Add, subtract, multiply and divide complex numbers. | drfrostmaths.com/explorer.php?ssid=163 | E445 | |

K445a | A Level | Manipulate expressions with complex numbers. | drfrostmaths.com/explorer.php?ssid=1499 | K968 | |

K445b | A Level | Multiply two or more complex numbers. | drfrostmaths.com/explorer.php?ssid=1501 | K970 | |

K445c | A Level | Divide a complex number by a complex number. | drfrostmaths.com/explorer.php?ssid=1502 | K971 | |

E446 | A Level | Exam Practice: Use and interpret Argand diagrams. | drfrostmaths.com/explorer.php?ssid=164 | E446 | |

E447 | A Level | Exam Practice: Convert between Cartesian and modulus-argument form. | drfrostmaths.com/explorer.php?ssid=165 | E447 | |

E448 | A Level | Exam Practice: Formulae for sums of integers, squares and cubes. | drfrostmaths.com/explorer.php?ssid=191 | E448 | |

E449 | A Level | Exam Practice: Relationship between roots and coefficients of polynomial equations, up to quartics. | drfrostmaths.com/explorer.php?ssid=189 | E449 | |

E450 | A Level | Exam Practice: Polynomial equations whose roots are a linear transformation of the roots of a given polynomial equation. | drfrostmaths.com/explorer.php?ssid=190 | E450 | |

E451 | A Level | Exam Practice: Volumes of revolution. | drfrostmaths.com/explorer.php?ssid=236 | E451 | |

E452 | Secondary | Exam Practice: Multiply matrices up to 2 by 2 in size. | drfrostmaths.com/explorer.php?ssid=441 | E452 | |

E453 | A Level | Exam Practice: Add, subtract and multiply matrices of any size. | drfrostmaths.com/explorer.php?ssid=172 | E453 | |

K453a | A Level | Add or subtract two matrices. | drfrostmaths.com/explorer.php?ssid=1779 | ||

K453b | A Level | Multiply a matrix by a scalar. | drfrostmaths.com/explorer.php?ssid=1780 | ||

K453c | A Level | Add or subtract matrices that have been multiplied by a scalar. | drfrostmaths.com/explorer.php?ssid=1781 | ||

K453d | A Level | Determine whether two matrices can be multiplied together. | drfrostmaths.com/explorer.php?ssid=1782 | ||

K453e | A Level | Multiply two matrices. | drfrostmaths.com/explorer.php?ssid=1512 | K976 | |

K453f | A Level | Multiplying 2\times2 matrices with algebraic elements. | drfrostmaths.com/explorer.php?ssid=1783 | ||

K453g | A Level | K453f: bug fix | drfrostmaths.com/explorer.php?ssid=1920 | ||

E454 | A Level | Exam Practice: Calculate determinants of 2x2 and 3x3 matrices and interpret as scale factors. | drfrostmaths.com/explorer.php?ssid=175 | E454 | |

K454a | A Level | Calculate the determinant of a 2\times2 matrix. | drfrostmaths.com/explorer.php?ssid=1794 | ||

K454b | A Level | Determine the values for which a 2\times 2 matrix is singular. | drfrostmaths.com/explorer.php?ssid=1800 | ||

K454c | A Level | Find the minor of an element in a 3 \times 3 matrix. | drfrostmaths.com/explorer.php?ssid=1816 | ||

K454d | A Level | Calculate the determinant of a 3 \times 3 matrix. | drfrostmaths.com/explorer.php?ssid=1814 | ||

K454e | A Level | Determine the values for which a 3 \times 3 matrix is singular. | drfrostmaths.com/explorer.php?ssid=1819 | ||

E455 | A Level | Exam Practice: Calculate inverse matrices for 2x2 and 3x3 matrices and understand their properties. | drfrostmaths.com/explorer.php?ssid=176 | E455 | |

K455a | A Level | Calculate the inverse of a 2\times2 matrix. | drfrostmaths.com/explorer.php?ssid=1798 | ||

K455b | A Level | Use a matrix inverse with a product to solve a matrix equation. | drfrostmaths.com/explorer.php?ssid=1768 | ||

K455c | A Level | Use a self-inverse property of a matrix to determine unknown values. | drfrostmaths.com/explorer.php?ssid=1793 | ||

K455e | A Level | Find the cofactor of an element in a 3x3 matrix. | drfrostmaths.com/explorer.php?ssid=1818 | ||

E456 | A Level | Exam Practice: Solve simultaneous equations (up to 3 variables) by use of an inverse matrices. | drfrostmaths.com/explorer.php?ssid=177 | E456 | |

E457 | Secondary | Exam Practice: Determine the image of a point (or unit square) after a matrix transformation. | drfrostmaths.com/explorer.php?ssid=444 | E457 | |

E458 | Secondary | Exam Practice: Using matrices to represent reflections, enlargements and rotations by multiples of 90, including representing successive transformations. | drfrostmaths.com/explorer.php?ssid=442 | E458 | |

E459 | A Level | Exam Practice: Using matrices to represent 3D transformation and 2D rotations by any angle. | drfrostmaths.com/explorer.php?ssid=173 | E459 | |

K459a | A Level | Identify the matrix which performs a basic 2D transformation. | drfrostmaths.com/explorer.php?ssid=1810 | ||

K459b | A Level | Describe a basic transformation represented by a 2 \times 2 matrix. | drfrostmaths.com/explorer.php?ssid=1813 | ||

E460 | A Level | Exam Practice: Find invariant points and lines for a linear transformation. | drfrostmaths.com/explorer.php?ssid=174 | E460 | |

E461 | A Level | Exam Practice: Interpret geometrically the solution and failure of the solution to three simultaneous linear equations. | drfrostmaths.com/explorer.php?ssid=178 | E461 | |

E462 | A Level | Exam Practice: Proof by induction. | drfrostmaths.com/explorer.php?ssid=160 | E462 | |

E463 | A Level | Exam Practice: Vector form of a straight line in 2D and 3D. | drfrostmaths.com/explorer.php?ssid=271 | E463 | |

K463a | A Level | Find a vector equation of a straight line given two points. | drfrostmaths.com/explorer.php?ssid=1551 | K983 | |

K463b | A Level | Determine whether a point lies on a line given its vector equation. | drfrostmaths.com/explorer.php?ssid=1553 | K985 | |

E464 | A Level | Exam Practice: Cartesian form of an equation of a straight line in 2D and 3D. | drfrostmaths.com/explorer.php?ssid=272 | E464 | |

K464a | A Level | Find a Cartesian equation of a line given its vector equation. | drfrostmaths.com/explorer.php?ssid=1552 | K984 | |

E465 | A Level | Exam Practice: Point of intersection of two straight lines given in vector form. | drfrostmaths.com/explorer.php?ssid=273 | E465 | |

E466 | A Level | Exam Practice: Equation of a plane and use the dot/scalar product to find angles between planes and lines. | drfrostmaths.com/explorer.php?ssid=274 | E466 | |

K466a | A Level | Find an equation of a plane passing through 3 points. | drfrostmaths.com/explorer.php?ssid=1554 | K986 | |

K466b | A Level | Find a Cartesian equation of a plane given a point and the normal vector. | drfrostmaths.com/explorer.php?ssid=1556 | K987 | |

K466c | A Level | Find the angle between two lines in vector form. | drfrostmaths.com/explorer.php?ssid=1561 | K992 | |

E467 | A Level | Exam Practice: Calculate the dot/scalar product and use it to calculate the angle between two lines. | drfrostmaths.com/explorer.php?ssid=275 | E467 | |

K467a | A Level | Find the scalar product of two vectors. | drfrostmaths.com/explorer.php?ssid=1557 | K988 | |

K467b | A Level | Find the angle between two vectors. | drfrostmaths.com/explorer.php?ssid=1558 | K989 | |

K467c | A Level | Find a constant given that two vectors are perpendicular. | drfrostmaths.com/explorer.php?ssid=1559 | K990 | |

E468 | A Level | Exam Practice: Point of intersection of a line and a plane. | drfrostmaths.com/explorer.php?ssid=276 | E468 | |

E469 | A Level | Exam Practice: Understand de Moivre's theorem and use it to find multiple angle formulae and sums of series. | drfrostmaths.com/explorer.php?ssid=167 | E469 | |

E470 | A Level | Exam Practice: Know and use e^{i\theta} = \cos(\theta) + i \sin(\theta) | drfrostmaths.com/explorer.php?ssid=168 | E470 | |

E471 | A Level | Exam Practice: Find the n distinct nth roots for re^i\theta, and use complex roots of unity to solve geometric problems. | drfrostmaths.com/explorer.php?ssid=169 | E471 | |

E472 | A Level | Exam Practice: Method of differences for summation of series including use of partial fractions. | drfrostmaths.com/explorer.php?ssid=192 | E472 | |

E473 | A Level | Exam Practice: Maclaurin series of a function. | drfrostmaths.com/explorer.php?ssid=193 | E473 | |

E474 | A Level | Exam Practice: Improper integrals where one of the limits extends to infinity. | drfrostmaths.com/explorer.php?ssid=237 | E474 | |

E475 | A Level | Exam Practice: Mean value of a function. | drfrostmaths.com/explorer.php?ssid=238 | E475 | |

E476 | A Level | Exam Practice: Integrate functions of the form \frac{1}{a^2 - x^2} and \frac{1}{a^2 + x^2} by use of trigonometric substitutions. | drfrostmaths.com/explorer.php?ssid=240 | E476 | |

K476a | A Level | Integrate expressions leading to inverse trigonometric functions (no rearrangement). | drfrostmaths.com/explorer.php?ssid=1481 | K953 | |

K476b | A Level | Integrate expressions leading to inverse trigonometric functions (rearrangement required). | drfrostmaths.com/explorer.php?ssid=1482 | K954 | |

E477 | A Level | Exam Practice: Use polar coordinates and convert between polar and cartesian coordinates. | drfrostmaths.com/explorer.php?ssid=247 | E477 | |

K477a | A Level | Convert from Cartesian coordinates to polar coordinates. | drfrostmaths.com/explorer.php?ssid=1489 | K959 | |

E478 | A Level | Exam Practice: Sketch polar curves with r given as a function of theta. | drfrostmaths.com/explorer.php?ssid=248 | E478 | |

E479 | A Level | Exam Practice: Find the area enclosed by a polar curve. | drfrostmaths.com/explorer.php?ssid=249 | E479 | |

E480 | A Level | Exam Practice: Understand hyperbolic functions, including their graphs and domains/ranges. | drfrostmaths.com/explorer.php?ssid=250 | E480 | |

K480a | A Level | Find exact values of hyperbolic functions. | drfrostmaths.com/explorer.php?ssid=1495 | K966 | |

E481 | A Level | Exam Practice: Differentiate and integrate hyperbolic functions. | drfrostmaths.com/explorer.php?ssid=251 | E481 | |

E482 | A Level | Exam Practice: Understand and use inverse hyperbolic functions. | drfrostmaths.com/explorer.php?ssid=252 | E482 | |

E483 | A Level | Exam Practice: Derive and use logarithmic forms of inverse hyperbolic functions. | drfrostmaths.com/explorer.php?ssid=253 | E483 | |

E484 | A Level | Exam Practice: Integrate functions of the form \frac{1}{\sqrt{x^2 + a^2}} and \frac{1}{\sqrt{x^2 - a^2}} by use of hyperbolic functions. | drfrostmaths.com/explorer.php?ssid=254 | E484 | |

E485 | A Level | Exam Practice: Use integrating factors to solve differential equations of the form \frac{dy}{dx} + P(x)y = Q(x). | drfrostmaths.com/explorer.php?ssid=255 | E485 | |

E486 | A Level | Exam Practice: Solve second order differential equations of the form y'' + a y' + by = 0. | drfrostmaths.com/explorer.php?ssid=256 | E486 | |

E487 | A Level | Exam Practice: Solve second order differential equations of the form y'' + a y' + by = f(x). | drfrostmaths.com/explorer.php?ssid=257 | E487 | |

E488 | A Level | Exam Practice: Solve the equation for simple harmonic motion. | drfrostmaths.com/explorer.php?ssid=258 | E488 | |

E489 | A Level | Exam Practice: Model damped oscillations using second order differential equations. | drfrostmaths.com/explorer.php?ssid=259 | E489 | |

E490 | A Level | Exam Practice: Deal with coupled first order linear equations. | drfrostmaths.com/explorer.php?ssid=260 | E490 | |

E491 | A Level | Exam Practice: Perpendicular distance between two lines, from a point to a line and a point to a plane. | drfrostmaths.com/explorer.php?ssid=277 | E491 | |

E492 | A Level | Exam Practice: Vector product a × b of two vectors, including interpretation of |a × b|. | drfrostmaths.com/explorer.php?ssid=278 | E492 | |

E493 | A Level | Exam Practice: The scalar triple product a.b × c. | drfrostmaths.com/explorer.php?ssid=279 | E493 | |

E494 | A Level | Exam Practice: Application of vectors to 3D geometry involving points, lines and planes, including equation of line in form (r - b) × b = 0 | drfrostmaths.com/explorer.php?ssid=280 | E494 | |

E495 | A Level | Exam Practice: Cartesian and parametric equations for a parabola, ellipse and hyperbola. | drfrostmaths.com/explorer.php?ssid=263 | E495 | |

E496 | A Level | Exam Practice: Focus-directrix properties of a parabola, ellipse and hyperbola, including the eccentricity. | drfrostmaths.com/explorer.php?ssid=264 | E496 | |

E497 | A Level | Exam Practice: Tangent and normals to parabolas, ellipsis and hyperbolae. | drfrostmaths.com/explorer.php?ssid=265 | E497 | |

E498 | A Level | Exam Practice: Solve loci problems involving parabolas, ellipsis and hyperbolae. | drfrostmaths.com/explorer.php?ssid=266 | E498 | |

E499 | A Level | Exam Practice: Solve cubic and quartic inequalities. | drfrostmaths.com/explorer.php?ssid=541 | E499 | |

E500 | A Level | Exam Practice: Use Taylor series. | drfrostmaths.com/explorer.php?ssid=194 | E500 | |

E501 | A Level | Exam Practice: Use Taylor series for series solution of differential equations. | drfrostmaths.com/explorer.php?ssid=261 | E501 | |

E502 | A Level | Exam Practice: Leibnitz's Theorem for differentiating products. | drfrostmaths.com/explorer.php?ssid=242 | E502 | |

E503 | A Level | Exam Practice: L'Hospital's Rule | drfrostmaths.com/explorer.php?ssid=243 | E503 | |

E504 | A Level | Exam Practice: Weierstrass substitution for integration. | drfrostmaths.com/explorer.php?ssid=244 | E504 | |

E505 | A Level | Exam Practice: Numerical solution of first order and second order differential equations. | drfrostmaths.com/explorer.php?ssid=285 | E505 | |

E506 | A Level | Exam Practice: Simpson's rule. | drfrostmaths.com/explorer.php?ssid=286 | E506 | |

E507 | A Level | Exam Practice: Use substitutions to reduce a differential equation. | drfrostmaths.com/explorer.php?ssid=262 | E507 | |

E508 | A Level | Exam Practice: Counting problems | drfrostmaths.com/explorer.php?ssid=297 | E508 | |

E509 | A Level | Exam Practice: Division Theorem and Euclidean Algorithm. | drfrostmaths.com/explorer.php?ssid=292 | E509 | |

E510 | A Level | Exam Practice: Bezout's Identity. | drfrostmaths.com/explorer.php?ssid=293 | E510 | |

E511 | A Level | Exam Practice: Modular arithmetic and Fermat's Little Theorem. | drfrostmaths.com/explorer.php?ssid=294 | E511 | |

E512 | A Level | Exam Practice: Divisibility tests. | drfrostmaths.com/explorer.php?ssid=295 | E512 | |

E513 | A Level | Exam Practice: Solutions of simple congruence equations. | drfrostmaths.com/explorer.php?ssid=296 | E513 | |

E514 | A Level | Exam Practice: Axioms of a group. | drfrostmaths.com/explorer.php?ssid=287 | E514 | |

E515 | A Level | Exam Practice: Examples of groups including Cayley tables and cyclic groups. | drfrostmaths.com/explorer.php?ssid=288 | E515 | |

E516 | A Level | Exam Practice: Orders of groups, orders of elements and subgroups. | drfrostmaths.com/explorer.php?ssid=289 | E516 | |

E517 | A Level | Exam Practice: Lagrange's theorem. | drfrostmaths.com/explorer.php?ssid=290 | E517 | |

E518 | A Level | Exam Practice: Isomorphism. | drfrostmaths.com/explorer.php?ssid=291 | E518 | |

E519 | A Level | Exam Practice: Construct and interpret simple loci in an Argand diagram. | drfrostmaths.com/explorer.php?ssid=166 | E519 | |

E520 | A Level | Exam Practice: Construct and interpret more complex loci in an Argand diagram, including |z-a| = k|z-b|, arg(z-a)/(x-b) = beta and inequalities. | drfrostmaths.com/explorer.php?ssid=170 | E520 | |

E521 | A Level | Exam Practice: Elementary transformations from the z-plane to the w-plane. | drfrostmaths.com/explorer.php?ssid=171 | E521 | |

E522 | A Level | Exam Practice: First and second order recurrence relations. | drfrostmaths.com/explorer.php?ssid=205 | E522 | |

E523 | A Level | Exam Practice: Solutions of recurrence relations to obtain closed forms. | drfrostmaths.com/explorer.php?ssid=206 | E523 | |

E524 | A Level | Exam Practice: Eigenvalues and eigenvectors, diagonal form. | drfrostmaths.com/explorer.php?ssid=179 | E524 | |

E525 | A Level | Exam Practice: Cayley-Hamilton theorem. | drfrostmaths.com/explorer.php?ssid=180 | E525 | |

E526 | A Level | Exam Practice: Use Gaussian Elimination to solve a system of equations (SQA only) | drfrostmaths.com/explorer.php?ssid=440 | E526 | |

E527 | A Level | Exam Practice: Reduction formulae. | drfrostmaths.com/explorer.php?ssid=245 | E527 | |

E528 | A Level | Exam Practice: Arc length or area of surface of revolution for Cartesian, parametric or polar equations. | drfrostmaths.com/explorer.php?ssid=246 | E528 | |

E529 | A Level | Exam Practice: Expected value E(X) and Var(X) of a discrete random variable, including coding. | drfrostmaths.com/explorer.php?ssid=308 | E529 | |

E530 | A Level | Exam Practice: Poisson Distribution. | drfrostmaths.com/explorer.php?ssid=306 | E530 | |

K530a | A Level | Calculate probabilities with the Poisson distribution. | drfrostmaths.com/explorer.php?ssid=1490 | K960 | |

K530b | A Level | Calculate probabilities with the Poisson distribution from a worded problem. | drfrostmaths.com/explorer.php?ssid=1491 | K961 | |

E531 | A Level | Exam Practice: Use Poisson Distribution as an approximation to a Binomial Distribution. | drfrostmaths.com/explorer.php?ssid=307 | E531 | |

E532 | A Level | Exam Practice: Geometric Distributions | drfrostmaths.com/explorer.php?ssid=474 | E532 | |

K532a | A Level | Calculate probabilities with the geometric distribution. | drfrostmaths.com/explorer.php?ssid=1484 | K955 | |

K532b | A Level | Find the mean or variance of a geometric distribution. | drfrostmaths.com/explorer.php?ssid=1485 | K956 | |

E533 | A Level | Exam Practice: Negative Binomial Distributions | drfrostmaths.com/explorer.php?ssid=475 | E533 | |

K533a | A Level | Calculate probabilities with the negative binomial distribution. | drfrostmaths.com/explorer.php?ssid=1486 | K957 | |

K533b | A Level | Find the mean or variance of a negative binomial distribution. | drfrostmaths.com/explorer.php?ssid=1487 | K958 | |

E534 | A Level | Exam Practice: Conduct a hypothesis test on the mean of a Poisson distribution. | drfrostmaths.com/explorer.php?ssid=318 | E534 | |

K534a | A Level | Conduct a one-tailed hypothesis test on the mean of a Poisson distribution. | drfrostmaths.com/explorer.php?ssid=1492 | K962 | |

K534b | A Level | Conduct a two-tailed hypothesis test on the mean of a Poisson distribution. | drfrostmaths.com/explorer.php?ssid=1493 | K963 | |

E535 | A Level | Exam Practice: Goodness of Fit | drfrostmaths.com/explorer.php?ssid=470 | E535 | |

E536 | A Level | Exam Practice: Contingency Tables | drfrostmaths.com/explorer.php?ssid=471 | E536 | |

E537 | A Level | Exam Practice: Use Probability Generating Functions | drfrostmaths.com/explorer.php?ssid=472 | E537 | |

K537a | A Level | Use a probability mass function to find a constant. | drfrostmaths.com/explorer.php?ssid=1308 | K965 | |

E538 | A Level | Exam Practice: Type I and II errors, Power and Size of tests | drfrostmaths.com/explorer.php?ssid=473 | E538 | |

E539 | A Level | Exam Practice: Find equation of least squares regression line. | drfrostmaths.com/explorer.php?ssid=320 | E539 | |

E540 | A Level | Exam Practice: Residual sum of squares. (FM only) | drfrostmaths.com/explorer.php?ssid=321 | E540 | |

E541 | A Level | Exam Practice: Spearman's rank correlation coefficient. | drfrostmaths.com/explorer.php?ssid=323 | E541 | |

K541a | A Level | Calculate Spearman's rank correlation coefficient. | drfrostmaths.com/explorer.php?ssid=1548 | K981 | |

E542 | A Level | Exam Practice: Understand that the area under a probability density graph yields the probability (mass), and that the total area is 1. | drfrostmaths.com/explorer.php?ssid=311 | E542 | |

E543 | A Level | Exam Practice: Cumulative distribution functions for continuous distributions. | drfrostmaths.com/explorer.php?ssid=312 | E543 | |

E544 | A Level | Exam Practice: Mean and variance of continuous distributions. | drfrostmaths.com/explorer.php?ssid=313 | E544 | |

E545 | A Level | Exam Practice: Mode, median and percentiles of continuous random variables. | drfrostmaths.com/explorer.php?ssid=314 | E545 | |

E546 | A Level | Exam Practice: Skewness of data. | drfrostmaths.com/explorer.php?ssid=300 | E546 | |

K546a | A Level | Calculate the skew of a set of data. | drfrostmaths.com/explorer.php?ssid=1547 | K980 | |

E547 | A Level | Exam Practice: Continuous uniform (rectangular) distribution. | drfrostmaths.com/explorer.php?ssid=315 | E547 | |

E548 | A Level | Exam Practice: Find the distribution of linear combinations of normal random variables. | drfrostmaths.com/explorer.php?ssid=502 | E548 | |

E549 | A Level | Exam Practice: Estimators, bias and standard error. | drfrostmaths.com/explorer.php?ssid=505 | E549 | |

E550 | A Level | Exam Practice: Calculate and use confidence intervals. | drfrostmaths.com/explorer.php?ssid=504 | E550 | |

E551 | A Level | Exam Practice: Hypothesis test on the difference of means. | drfrostmaths.com/explorer.php?ssid=503 | E551 | |

E552 | A Level | Exam Practice: F-distribution | drfrostmaths.com/explorer.php?ssid=506 | E552 | |

E553 | A Level | Exam Practice: t-distribution. | drfrostmaths.com/explorer.php?ssid=507 | E553 | |

E554 | A Level | Exam Practice: Momentum and Impulse | drfrostmaths.com/explorer.php?ssid=447 | E554 | |

K554a | A Level | Find the speed of a particle after receiving an impulse. | drfrostmaths.com/explorer.php?ssid=1519 | K978 | |

K554b | A Level | Use the impulse-momentum principle for two particles, given the impulse due to the collision. | drfrostmaths.com/explorer.php?ssid=1523 | K979 | |

K554c | A Level | Use Conservation of Momentum for two particles to find the speed or mass of one particle, given information about the other particle. | drfrostmaths.com/explorer.php?ssid=1666 | ||

K554d | A Level | Use Conservation of Momentum and the impulse-momentum principle for two particles to find the impulse due to a collision. | drfrostmaths.com/explorer.php?ssid=1667 | ||

K554e | A Level | Use the impulse-momentum principle for a single particle to find the impulse exerted on it in 2D. | drfrostmaths.com/explorer.php?ssid=1668 | ||

K554f | A Level | Use the impulse-momentum principle for a single particle to find the velocity after an impulse is exerted on it in 2D. | drfrostmaths.com/explorer.php?ssid=1669 | ||

E555 | A Level | Exam Practice: Work and energy | drfrostmaths.com/explorer.php?ssid=456 | E555 | |

K555a | A Level | Use the work done formula for one force to calculate work done, force or distance. | drfrostmaths.com/explorer.php?ssid=1705 | ||

K555b | A Level | Use work done = change in energy using KE or GPE. | drfrostmaths.com/explorer.php?ssid=1706 | ||

K555c | A Level | Use the work done formula involving friction or gravity to calculate work done, force or distance. | drfrostmaths.com/explorer.php?ssid=1707 | ||

K555d | A Level | Use the work-energy principle in one dimension. | drfrostmaths.com/explorer.php?ssid=1708 | ||

K555e | A Level | Use work-energy principle in two dimensions. | drfrostmaths.com/explorer.php?ssid=1709 | ||

K555f | A Level | Use work-energy principle with angled forces. | drfrostmaths.com/explorer.php?ssid=1710 | ||

K555g | A Level | x | drfrostmaths.com/explorer.php?ssid=1711 | ||

E556 | A Level | Exam Practice: Power | drfrostmaths.com/explorer.php?ssid=457 | E556 | |

K556a | A Level | Find power, force and velocity using the formula with constant velocity. | drfrostmaths.com/explorer.php?ssid=1743 | ||

K556b | A Level | Find power, force and velocity using the formula with constant acceleration. | drfrostmaths.com/explorer.php?ssid=1744 | ||

K556c | A Level | Use the formula for power involving work done. | drfrostmaths.com/explorer.php?ssid=1745 | ||

K556d | A Level | Find power, force and velocity in 2D with constant velocity. | drfrostmaths.com/explorer.php?ssid=1746 | ||

K556e | A Level | Find power, force and velocity in 2D with variable velocity. | drfrostmaths.com/explorer.php?ssid=1747 | ||

E557 | A Level | Exam Practice: Hooke's Law | drfrostmaths.com/explorer.php?ssid=458 | E557 | |

K557a | A Level | Use Hooke's Law to calculate the extension of a string. | drfrostmaths.com/explorer.php?ssid=1549 | K982 | |

K557b | A Level | Use Hooke's Law to calculate the extension of a string in 2D. | drfrostmaths.com/explorer.php?ssid=1651 | ||

K557c | A Level | test [crp] | drfrostmaths.com/explorer.php?ssid=1653 | ||

E558 | A Level | Exam Practice: Energy in elastic springs and strings. | drfrostmaths.com/explorer.php?ssid=459 | E558 | |

E559 | A Level | Exam Practice: Solve problems involving elastic collisions in 1D. | drfrostmaths.com/explorer.php?ssid=460 | E559 | |

K559a | A Level | Use Newton's law of restitution for a single particle. | drfrostmaths.com/explorer.php?ssid=1784 | ||

K559b | A Level | Use Newton's Law of Restitution for two particles. | drfrostmaths.com/explorer.php?ssid=1785 | ||

K559c | A Level | Use Conservation of Momentum and Newton's Law of Restitution for two particles. | drfrostmaths.com/explorer.php?ssid=1786 | ||

K559d | A Level | Use Newton's Law of Restitution for a falling particle. | drfrostmaths.com/explorer.php?ssid=1787 | ||

K559e | A Level | Find change in KE for a collision of a single particle. | drfrostmaths.com/explorer.php?ssid=1788 | ||

K559f | A Level | Find change in KE for a collision of two particles. | drfrostmaths.com/explorer.php?ssid=1789 | ||

K559g | A Level | Use Conservation of Momentum and Newton's Law of Restitution for successive collisions of three particles. | drfrostmaths.com/explorer.php?ssid=1790 | ||

E560 | A Level | Exam Practice: Solve problems involving elastic collisions in 2D. | drfrostmaths.com/explorer.php?ssid=461 | E560 | |

K560a | A Level | Find the angle of deflection of a particle striking a wall. | drfrostmaths.com/explorer.php?ssid=1902 | ||

K560b | A Level | Use the speed in vector form of a particle striking a wall at an angle. | drfrostmaths.com/explorer.php?ssid=1903 | ||

K560c | A Level | Find the speed of a particle striking a wall at an angle. | drfrostmaths.com/explorer.php?ssid=1904 | ||

K560d | A Level | Find the velocity in vector form of a particle striking two perpendicular walls. | drfrostmaths.com/explorer.php?ssid=1905 | ||

K560e | A Level | Find the speed or direction of a particle striking two perpendicular walls. | drfrostmaths.com/explorer.php?ssid=1906 | ||

K560f | A Level | Find the velocity in vector form of a particle striking another particle. | drfrostmaths.com/explorer.php?ssid=1907 | ||

K560g | A Level | Find the speed or angle of a particle striking an angled wall | drfrostmaths.com/explorer.php?ssid=1908 | ||

E561 | A Level | Exam Practice: Horizontal circular motion | drfrostmaths.com/explorer.php?ssid=467 | E561 | |

E562 | A Level | Exam Practice: Vertical circular motion | drfrostmaths.com/explorer.php?ssid=468 | E562 | |

E563 | A Level | Exam Practice: Centre of mass of particles on a line or plane. | drfrostmaths.com/explorer.php?ssid=463 | E563 | |

E564 | A Level | Exam Practice: Use calculus to find the centre of mass. | drfrostmaths.com/explorer.php?ssid=464 | E564 | |

E565 | A Level | Exam Practice: Centre of mass of 3D solids or shells. | drfrostmaths.com/explorer.php?ssid=465 | E565 | |

E566 | A Level | Exam Practice: Consider toppling and sliding. | drfrostmaths.com/explorer.php?ssid=466 | E566 | |

E567 | A Level | Exam Practice: Simple Harmonic Motion | drfrostmaths.com/explorer.php?ssid=469 | E567 | |

E568 | A Level | Exam Practice: Sorting algorithms, including quicksort and bubble sort. | drfrostmaths.com/explorer.php?ssid=435 | E568 | |

E569 | A Level | Exam Practice: Binary Search | drfrostmaths.com/explorer.php?ssid=482 | E569 | |

E570 | A Level | Exam Practice: Using and understanding algorithms (including trace tables and flowcharts). | drfrostmaths.com/explorer.php?ssid=495 | E570 | |

E571 | A Level | Exam Practice: Bin-packing algorithms. | drfrostmaths.com/explorer.php?ssid=496 | E571 | |

E572 | A Level | Exam Practice: Order of algorithms. | drfrostmaths.com/explorer.php?ssid=497 | E572 | |

E573 | A Level | Exam Practice: Understand graphs, connected graphs and the degree of vertices. | drfrostmaths.com/explorer.php?ssid=433 | E573 | |

E574 | A Level | Exam Practice: The planarity algorithm. | drfrostmaths.com/explorer.php?ssid=490 | E574 | |

E575 | A Level | Exam Practice: Prim's algorithm for shortest path. | drfrostmaths.com/explorer.php?ssid=480 | E575 | |

E576 | A Level | Exam Practice: Kruskal's algorithm for shortest path. | drfrostmaths.com/explorer.php?ssid=481 | E576 | |

E577 | A Level | Exam Practice: Floyd's Algorithm. | drfrostmaths.com/explorer.php?ssid=491 | E577 | |

E578 | A Level | Exam Practice: Dijkstra's Algorithm | drfrostmaths.com/explorer.php?ssid=492 | E578 | |

E579 | A Level | Exam Practice: Hamiltonian/Eulerian paths/cycles | drfrostmaths.com/explorer.php?ssid=434 | E579 | |

E580 | A Level | Exam Practice: Formation of LP problems and solving using simplex algorithm. | drfrostmaths.com/explorer.php?ssid=479 | E580 | |

E581 | A Level | Exam Practice: Finding solutions with integer values. | drfrostmaths.com/explorer.php?ssid=494 | E581 | |

E582 | A Level | Exam Practice: The Big M method. | drfrostmaths.com/explorer.php?ssid=493 | E582 | |

E583 | A Level | Exam Practice: Modelling a project as a graph. | drfrostmaths.com/explorer.php?ssid=486 | E583 | |

E584 | A Level | Exam Practice: Early and late event times, critical activities, and floats. | drfrostmaths.com/explorer.php?ssid=487 | E584 | |

E585 | A Level | Exam Practice: Gantt Charts | drfrostmaths.com/explorer.php?ssid=488 | E585 | |

E586 | A Level | Exam Practice: Resource histograms and scheduling. | drfrostmaths.com/explorer.php?ssid=489 | E586 | |

E587 | A Level | Exam Practice: Use series expansions to find limits. | drfrostmaths.com/explorer.php?ssid=241 | E587 | |

E588 | A Level | Exam Practice: Voronoi Diagrams | drfrostmaths.com/explorer.php?ssid=478 | E588 |