Sometimes, all you need to do to prove a mathematical result is look at it in the right way. Explore these tasks to see how moving shapes can help you to prove results.
You can visualise triangular numbers as a triangular array of little squares... Can you use the image to prove some triangle number relationships?
Grab a ruler, paper and scissors, construct a dodecagon, and cut it up. Can you reassemble it in a way to help you find its area?
It's said that every picture tells a story... Can you tell the story of our video about Cube Numbers?