Covers the definition of functions, composite functions and inverse functions. For IGCSE Further Maths, also covers piecewise functions and domain/range.
Congruent Triangle Proofs
Includes harder follow up questions where you use a completed congruence proof to make subsequent justifications.
GCSE Counterexamples & Proofs Involving Integers
Covers counterexamples, 'even/odd proofs' and proofs involving algebraic representation of consecutive numbers, odd numbers, etc.
Covers all aspect of the GCSE specification on quadratic inequalities. Includes an exercise.