Challenge Level

Can you work out which spinners were used to generate the frequency charts?

Challenge Level

Imagine a room full of people who keep flipping coins until they get a tail. Will anyone get six heads in a row?

Challenge Level

Here are two games you can play. Which offers the better chance of winning?

Challenge Level

If everyone in your class picked a number from 1 to 225, do you think any two people would pick the same number?

Challenge Level

Can you work out the probability of winning the Mathsland National Lottery?

Challenge Level

When two closely matched teams play each other, what is the most likely result?

Challenge Level

Which of these games would you play to give yourself the best possible chance of winning a prize?

Challenge Level

In this follow-up to the problem Odds and Evens, we invite you to analyse a probability situation in order to find the general solution for a fair game.

Challenge Level

Chris and Jo put two red and four blue ribbons in a box. They each pick a ribbon from the box without looking. Jo wins if the two ribbons are the same colour. Is the game fair?