A lead cube Animation Play

A metal ball Animation Play

A microscope Student activity Play

A refracting telescope Animation Play

A refracting telescope Student activity Play

A triangle and circles Student activity Play

A triangle and circles Simulation Play

An area problem Whiteboard exercise Play

An area problem Student activity Play

Angles in 2-D shapes Whiteboard presentation Play

Angles in 2-D shapes Class activity Play

Angles in 3-D shapes Whiteboard presentation Play

Angles in 3-D shapes Class activity Play

Cardboard model of a cone Animation Play

Cylinder Simulation Play

Cylinders Student activity Play

Dimensions of the figure Animation Play

Easy calculations Student activity Play

Expansion and change in density Whiteboard exercise Play

Expansion and change in density Student activity Play

Extension Student activity Play

Extension Simulation Play

Extension Whiteboard exercise Play

Fence off a plot Animation Play

Finding length of the space diagonal of a cube Whiteboard exercise Play