3.5 Solving equations
3.6 Applying equations
4.1 Square roots
4.2 Right-angled triangles
4.3 Calculating edges in a right-angled triangle
4.4 Applying the Pythagorean Theorem
4.5 Cross sections
4.6 Pythagoras in space
4.7 Theorems for right-angled triangles
6.4 Mean, median and mode
7.1 Properties of numbers
7.2 Factorising
7.3 The product-sum method
7.4 Quadratic equations
7.5 Solution methods
7.6 Applications