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

Take an equilateral triangle and cut it into smaller pieces. What can you do with them?

Which numbers cannot be written as the sum of two or more consecutive numbers?

Take three whole numbers. The differences between them give you three new numbers. Find the differences between the new numbers and keep repeating this. What happens?

How many tiles could you use to cover this 10 by 10 patio?

How many ways can you find of tiling the square patio, using square tiles of different sizes?

Can you match pairs of fractions, decimals and percentages, and beat your previous scores?

This is a game for two players. Can you find out how to be the first to get to 12 o'clock?

This cube has ink on each face which leaves marks on paper as it is rolled. Can you work out what is on each face and the route it has taken?

What's the fairest way to choose 2 from 8 potential prize winners? How likely are you to be chosen?