Altering the y-scale of the graph Simulation Play

Altering the y-scale – preliminaries Student activity Play

Altering the y-scale – summary Student activity Play

Altering the y-scale – the rule Student activity Play

An application of a proportion Student activity Play

An application of a proportion Whiteboard exercise Play

An application of a scale Student activity Play

An application of a scale Whiteboard exercise Play

An ear for music and absolute pitch Student activity Play

An ear for music and absolute pitch Simulation Play

An enlargement Simulation Play

Applying a scale Simulation Play

Are two polygons similar? Animation Play

Area under enlargement – a heptagon Whiteboard exercise Play

Areas of images of figures under enlargement Whiteboard exercise Play

Areas of images of figures under enlargement Student activity Play

Areas of similar figures Student activity Play

Bimetals Slideshow Play

Boiling point of alkanes Student activity Play

Boiling points and melting points of some alkanes Chart Play

Boiling points of straight-chain alkanes and cycloalkanes Animation Play

Boiling points, density and solubility in water Animation Play

Buffer range Whiteboard exercise Play

Buffer range Student activity Play

Burette Slideshow Play