A tetrahedron Student activity Play

Angle of elevation Student activity Play

Angle of elevation Simulation Play

Brackets and the negative sign Student activity Play

Calculator display Animation Play

Constructions Student activity Play

Constructions Simulation Play

Constructions revisited Simulation Play

Constructions revisited Student activity Play

Elevations Student activity Play

Elevations Simulation Play

Height of a flagpole Animation Play

Huygens' Principle Student activity Play

Huygens' principle Animation Play

Huygens' principle Whiteboard exercise Play

Nets of 3-D shapes Student activity Play

Nets of 3-D shapes Animation Play

Reflection of plane waves Animation Play

Reflection of plane waves Whiteboard exercise Play

Reflection of plane waves Student activity Play

Representations Whiteboard presentation Play

Representations Class activity Play

Rotation of the polarisation plane Student activity Play

Rotation of the polarisation plane Whiteboard exercise Play

Solving problems involving trigonometric ratios Whiteboard presentation Play