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          Year 7

          • Autumn 1
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          • Rounding & Approximation

            1 files22/07/2018

            (From Tiffin Year 7 scheme of work)
            (a) Round a number to a given number of decimal places or significant figures.
            (b) Approximate the value to a multiplication/division by rounding each number to 1 significant figure.

          • Written Calculations

            2 files22/07/2018

            (From the Tiffin Year 7 scheme of work)
            Multiplying, adding, subtracting and dividing decimals. Includes a group investigation on missing digit puzzles.

          • Pythagoras' Theorem

            2 files22/07/2018

            (From Tiffin Year 7 scheme of work)
            (a) Apply Pythagoras' Theorem to single right-angled triangles.
            (b) Appreciate that an answer in surd form is exact.
            (c) Know common Pythagorean triples: (3,4,5), (5,12,13) and multiples of these.
            (d) Solve more advanced problems involving use of Pythagoras' Theorem:
            * Finding the perpendicular height and area of an isosceles and equilateral triangle (and a mental method for the latter).
            * Multiple right-angled triangles with shared sides.
            * Appreciate that we sometimes need to add lines to yield right-angled triangles.
            * Use of algebraic sides.
            * Appreciate that a triangle with angles 30-60-90 is half an equilateral triangle, using this to reason about sides.

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