Reflection symmetry in the vertical axis Whiteboard exercise Play

Reflection symmetry in the vertical axis – the coordinates of the vertices Whiteboard exercise Play

Regular tetrahedrons Student activity Play

Resolution of optical devices Student activity Play

Resolution of optical devices Animation Play

Riddles about 3-D shapes Student activity Play

Riddles about 3-D shapes Whiteboard exercise Play

Rotation of the polarisation plane Student activity Play

Rotation of the polarisation plane Whiteboard exercise Play

Sections of a cube Student activity Play

Soil – vertical section Illustration Play

Solids exhibition Animation Play

Speed in horizontal projectile motion Student activity Play

Speed in horizontal projectile motion Whiteboard exercise Play

Supplementary, vertical, corresponding and alternate angles Whiteboard exercise Play

Supplementary, vertical, corresponding and alternate angles Student activity Play

Surface area of a cube Animation Play

Surface area of a cube – part 1 Student activity Play

Surface area of a cube – part 2 Student activity Play

Surface area of a cuboid – part 1 Student activity Play

Tangents Student activity Play

The equation of a vertical line Animation Play

The formula for the space diagonal of a cube Whiteboard exercise Play

The formula for the space diagonal of a cube Student activity Play

The Grand Canyon Student activity Play