An example of a proof Student activity Play

Biodegradation times of different wastes Simulation Play

'By two times plus 1' function Whiteboard exercise Play

Different questions about the same operation. How many times more? How many times less? Student activity Play

Digestion times for different foods Chart Play

How many times more? Whiteboard exercise Play

How many times more? Whiteboard exercise Play

How many times more? How many times less? Whiteboard exercise Play

How many times more? How many times less? Student activity Play

How many times? Student activity Play

How many times? Whiteboard exercise Play

Proof Animation Play

Reaction times after alcohol Simulation Play

Retracing prehistoric times from limestone Illustration Play

Smog – the infamous sign of our times Animation Play

The development of biotechnology in modern times Chart Play

The winning times Animation Play