Visualising and representing

Watch these videos to see how Phoebe, Alice and Luke chose to draw 7 squares. How would they draw 100?

Nine squares are fitted together to form a rectangle. Can you find its dimensions?

Is there a temperature at which Celsius and Fahrenheit readings are the same?

Alison and Charlie are playing a game. Charlie wants to go first so Alison lets him. Was that such a good idea?

The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?

Think of a two digit number, reverse the digits, and add the numbers together. Something special happens...

What's special about the area of quadrilaterals drawn in a square?

Can you minimise the amount of wood needed to build the roof of my garden shed?

Just because a problem is impossible doesn't mean it's difficult...

Where should you start, if you want to finish back where you started?