All of the tricks in this feature seem magical, but it's mathematics that makes them work. Figure out the maths behind the tricks, and amaze your friends and family with your mathematical wizardry!

Challenge Level

The Number Jumbler can always work out your chosen symbol. Can you work out how?

Challenge Level

Think of a number and follow the machine's instructions... I know what your number is! Can you explain how I know?

Challenge Level

Think of a number and follow my instructions. Tell me your answer, and I'll tell you what you started with! Can you explain how I know?

Challenge Level

Take a look at the video and try to find a sequence of moves that will untangle the ropes.

Challenge Level

It would be nice to have a strategy for disentangling any tangled ropes...

Challenge Level

Can you tangle yourself up and reach any fraction?

Challenge Level