1. Integers – Adding, subtracting, multiplying, dividing integers; lowest common multiples, highest common factors, tests for divisibility, square roots, cube roots. 2. Expressions, Formulae, and Equations – Constructing expressions, using formulae, collecting like terms, expanding brackets, solving equations, inequalities. 3. Place Value and Rounding – Multiplying and dividing by powers of 10, rounding. 4. Decimals – Ordering, adding, subtracting, multiplying, dividing decimals; making decimal calculations easier.