1. Algebra and number: expansion, factorisation, inequalities, nth term, rational numbers, rounding to significant figures, product of prime factors, highest common factor and lowest common multiple 2. Geometry and measurement: volume of prism, enlargement, angle relationships (alternate, corresponding, vertical), triangle vector translation, field area and seed coverage 3. Statistics and probability: mean misinterpretation from biased sample, stem-and-leaf diagram (median, range), appropriate sampling methods (questionnaires, interviews), proportional sampling, data comparison 4. Ratio, proportion and units: ratio simplification, conversions (miles to km), powers of ten, parallel line identification from linear equations, perimeter/area estimation 5. Sequences and patterns: construction of new sequences through transformations, consistent term-to-term rule identification