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?

Challenge Level

Seven balls are shaken. You win if the two blue balls end up touching. What is the probability of winning?

Challenge Level

Six balls are shaken. You win if at least one red ball ends in a corner. What is the probability of winning?

Challenge Level

Find the frequency distribution for ordinary English, and use it to help you crack the code.

Challenge Level

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

Challenge Level

If you are given the mean, median and mode of five positive whole numbers, can you find the numbers?

Challenge Level

Move your counters through this snake of cards and see how far you can go. Are you surprised by where you end up?

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

Engage in a little mathematical detective work to see if you can spot the fakes.

Challenge Level

Infographics are a powerful way of communicating statistical information. Can you come up with your own?

Challenge Level

Can you do a little mathematical detective work to figure out which number has been wiped out?

Challenge Level

Match the cumulative frequency curves with their corresponding box plots.

Challenge Level

Play around with sets of five numbers and see what you can discover about different types of average...