A big cube made of 27 small cubes Whiteboard exercise Play

A puzzle on a painted cube Whiteboard exercise Play

A puzzle on a painted cube Student activity Play

Angle between an edge and a face Animation Play

Applying the Pythagorean theorem Animation Play

Building 3-D objects with cubes Student activity Play

Building 3-D objects with cubes Whiteboard exercise Play

Continuous variation Student activity Play

Continuous variation Simulation Play

Cubes – parallel faces and nets Student activity Play

Cubes – perpendicular faces and nets Student activity Play

Cuboids – parallel faces and nets Student activity Play

Cuboids – perpendicular faces and nets Student activity Play

Different angles Student activity Play

Eight 1-cm cubes Animation Play

Embryonic stage – the first 8 weeks of embryo development Student activity Play

Embryonic stage – the first 8 weeks of embryo development Whiteboard exercise Play

Examples of 3-D shapes Student activity Play

Examples of 3-D shapes Animation Play

Face creams Whiteboard exercise Play

Find the angle Whiteboard exercise Play

Finding the length of the diagonal of lateral face Whiteboard exercise Play

Finding the surface area of a cuboid Animation Play

Golgi apparatus Slideshow Play

Human variation Student activity Play