Sets of rational numbers and irrational numbers Whiteboard exercise Play

Simplification of expressions Whiteboard exercise Play

Simplifying surds Student activity Play

Simplifying surds Whiteboard exercise Play

Surds Class activity Play

Surds Whiteboard presentation Play

Surds Student activity Play

Surds Animation Play

Surds – the proof Animation Play

Surds – the proof (general case) Animation Play

The distance formula in 3-dimensional space Whiteboard exercise Play

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

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

The sides of the triangles – trigonometric ratios for selected angles Whiteboard exercise Play

The space diagonals of a cube Student activity Play

Volume of a pyramid – exercises Student activity Play

Volume of a regular tetrahedron Whiteboard exercise Play

What are surds? Student activity Play

What are surds? Whiteboard exercise Play

What is an irrational number? Student activity Play