Television Student activity Play

Television Slideshow Play

Temperatures Whiteboard exercise Play

Temperatures Student activity Play

The annual mean Whiteboard exercise Play

The ant's route Animation Play

The arithmetic mean Student activity Play

The arithmetic mean for continuous data Whiteboard exercise Play

The arithmetic mean for continuous data Student activity Play

The arithmetic mean for continuous data Whiteboard exercise Play

The arithmetic mean of the measurements of the speed of light Whiteboard exercise Play

The arithmetic mean of the square distance Animation Play

The arithmetic mean of two numbers Animation Play

The astronomical unit Student activity Play

The astronomical unit Simulation Play

The astronomical unit Whiteboard exercise Play

The average speed of the bus Whiteboard exercise Play

The average speed of the snail Whiteboard exercise Play

The bike trip Animation Play

The blackboard Whiteboard exercise Play

The brightest stars in terms of absolute magnitude Chart Play

The brightest stars in terms of apparent magnitude Chart Play

The brightness of stars Student activity Play

The cars Animation Play

The centre and the radius of a circle Student activity Play