Unit 1; 1 Reviewing number concepts; 2 Making sense of algebra; 3 Lines, angles and shapes; 4 Collecting, organising and displaying data; Unit 2 5 Fractions and standard form; 6 Equations and transforming formulae; 7 Perimeter, area and volume; 8 Introduction to probability; Unit 3 9 Sequences and sets; 10 Straight lines and quadratic equations; 11 Pythagoras' theorem and similar shapes; 12 Averages and measures of speed; Examination practice; Unit 4 13 Understanding measurement; 14 Further solving of equations and inequalities; 15 Scale drawings, bearings and trigonometry; 16 Scatter diagrams and correlation; Unit 5 17; Managing money; 18 Curved graphs; 19 Symmetry; 20 Histograms and frequency distribution diagrams; Unit 6 21 Ratio, rate and proportion; 22 More equations, formulae and functions; 23 Vectors and transformations; 24 Probability using tree diagrams and Venn diagrams; Examination practice; Answers