Angle sum of a triangle – observation and proof Student activity Play

Application of chlorine Slideshow Play

ATP and WTA tournaments Student activity Play

Banach's match problem Animation Play

Bridge team tournament Animation Play

Cardinal number Animation Play

Cardinal number problems Student activity Play

Famous problems Student activity Play

Football league Whiteboard exercise Play

Football match Whiteboard exercise Play

How many more? Student activity Play

How many? A more difficult problem Student activity Play

How to match the moment of a force Animation Play

Many different rectangles Student activity Play

Match a triangle Whiteboard exercise Play

Match a triangle Student activity Play

Mechanical energy of a tennis ball Animation Play

Operating on square roots – revision Student activity Play

Other uses of halogens and their compounds Student activity Play

Playing tennis Whiteboard exercise Play

Problem with matches Whiteboard exercise Play

Simplification of square roots Animation Play

Soccer and tennis Whiteboard exercise Play

Tennis tournament Animation Play

The Greens and The Blacks Whiteboard exercise Play