2-D representation Animation Play

2-D representations of 3-D objects on triangular dotty paper Student activity Play

A big cube made of 27 small cubes Whiteboard exercise Play

A cube Whiteboard exercise Play

A cube Student activity Play

A diagonal of a cube Animation Play

A lead cube Animation Play

A puzzle on a painted cube Whiteboard exercise Play

A puzzle on a painted cube Student activity Play

Adaptations of plants to life on land Student activity Play

Addition and subtraction of square roots Whiteboard exercise Play

Algebraic division Whiteboard presentation Play

Algebraic division Class activity Play

All the roots of an equation Whiteboard exercise Play

Application of the Pythagorean theorem in 3-D Class activity Play

Application of the Pythagorean theorem in 3-D Whiteboard presentation Play

Approximate calculations of roots Student activity Play

Approximate calculations of roots Whiteboard exercise Play

Approximate calculations of roots Whiteboard exercise Play

Archimedes' Principle Student activity Play

Archimedes' Principle Animation Play

Are only exothermic processes spontaneous? Animation Play

Binomial series Whiteboard presentation Play

Binomial series Class activity Play

Building 3-D objects with cubes Whiteboard exercise Play