Various number lines Animation Play

Vector equation of a line in 2-D Whiteboard exercise Play

Vector equation of a line in 2-D Student activity Play

Vector equation of a line in 3-D – a point and a vector Student activity Play

Vector equation of a line in 3-D – a point and a vector Whiteboard exercise Play

Vector equation of a line in 3-D – two points Student activity Play

Vector equation of a line in 3-D – two points Whiteboard exercise Play

Vector equations of lines in 2-D Class activity Play

Vector equations of lines in 3-D Whiteboard presentation Play

Vector equations of lines in 3-D Class activity Play

Volumes of revolution Whiteboard presentation Play

Volumes of revolution Class activity Play

Volumes of the encyclopaedia on the shelf Whiteboard exercise Play

Welcome to Flatland Student activity Play

Welcome to Flatland Animation Play

What can we do with a ruler and a compass? Student activity Play

What does a discharge involve? Animation Play

What does a discharge involve? Whiteboard exercise Play

What does a discharge involve? Student activity Play

Where do Harry, Yoko, Emmanuel and Lena live? Student activity Play

Where do Harry, Yoko, Emmanuel and Lena live? Whiteboard exercise Play

Which line is steeper? Animation Play

Which line is steeper? Student activity Play