Estimating areas Student activity Play

Exact values of trigonometric ratios Animation Play

Exact values of trigonometric ratios for selected angles Student activity Play

Examples of algebraic expressions Animation Play

Examples of rationalising the denominator Animation Play

Examples of regular polygons Student activity Play

Examples of square roots Animation Play

Examples of squares Animation Play

Exercises about the ratio of two quantities Student activity Play

Existence of  nth root of a given number Whiteboard exercise Play

Expanding the squares of the differences Whiteboard exercise Play

Expanding the squares of the sums Whiteboard exercise Play

Factorisation Animation Play

Factorisation by completing the square Student activity Play

Factorisation by completing the square Whiteboard exercise Play

Factorisation is not always possible! Student activity Play

Factorisation using the difference of squares Whiteboard exercise Play

Factorisation using the difference of squares Whiteboard exercise Play

Factorisation using the difference of squares Student activity Play

Factorisation using the difference of squares – harder problems Student activity Play

Factorising a trinomial Student activity Play

Factorising a trinomial by algebraic manipulation Animation Play

Factorising binomials Student activity Play

Factorising by completing the square Student activity Play

Factorising by completing the square Whiteboard exercise Play