Are two polygons similar? Animation Play

Area between the graphs of two arbitrary functions Whiteboard exercise Play

Area between the graphs of two arbitrary functions Student activity Play

Area between the graphs of two functions of different sign Student activity Play

Area between the graphs of two functions of different sign Whiteboard exercise Play

Area between the graphs of two non-negative functions Whiteboard exercise Play

Area between the graphs of two non-negative functions Student activity Play

Area between the graphs of two non-positive functions Animation Play

Area between the graphs of two non-positive functions Whiteboard exercise Play

Area between the graphs of two non-positive functions Student activity Play

Area between two graphs Animation Play

Area included between two graphs Animation Play

Arrangements in a ring – three men and two women Whiteboard exercise Play

Atomic radii of the s-block elements Student activity Play

Atomic radius Student activity Play

Basic periods of trigonometric functions Student activity Play

Bicycle dynamo Animation Play

Bicycle dynamo Whiteboard exercise Play

Bicycle dynamo Student activity Play

Blocks of elements Animation Play

Boy or girl? Animation Play

Building a square from two squares Animation Play

Bungee jumping Student activity Play

Bungee jumping Whiteboard exercise Play

'By two times plus 1' function Whiteboard exercise Play