How many guards to you need to supervise an art gallery?
Can you cut up an old playing card to make a hole big enough to walk through?
Here's a number game with a clever strategy.
How to fold exact fractions without guessing or fiddling.
If you want to draw a rhombus on dotty paper, can you start with any two dots?
How shaking hands with people in two different ways leads to a mathematical proof.
Find out how an annoying parking metre can get your creative juices flowing!
Here's a game: pick a positive natural number and if yours is the smallest number no one else has picked, you win. What's the best strategy?