Exact values of trigonometric ratios for selected angles Animation Play

Example of approximation area by rectangles Animation Play

Examples of algebraic expressions Animation Play

Examples of pressure calculations Simulation Play

Examples of regular polygons Student activity Play

Examples of rotation Student activity Play

Examples of surds Animation Play

Exercises about the ratio of two quantities Student activity Play

Explain and justify Class activity Play

Explain and justify Whiteboard presentation Play

Extending the trapezium rule Whiteboard exercise Play

Extending the trapezium rule Student activity Play

Exterior and interior angles of a triangle Student activity Play

Exterior angle of a triangle Whiteboard exercise Play

Exterior angle of a triangle – exercises Student activity Play

Exterior angle of a triangle – observation and proof Student activity Play

Exterior angle of a triangle – proof Animation Play

Exterior angles Animation Play

Exterior angles in a triangle Simulation Play

Exterior angles in a triangle – proof Animation Play

Exterior angles of a triangle Student activity Play

Factorisation by identifying the difference of squares Whiteboard exercise Play

Factorisation by identifying the difference of squares Student activity Play

Factors affecting reaction rate Animation Play

Famous figures bounded by semicircles Student activity Play