Challenge Level

Seeing Squares game for an adult and child. Can you come up with a way of always winning this game?

Challenge Level

The pages of my calendar have got mixed up. Can you sort them out?

Challenge Level

This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?

Challenge Level

There are six numbers written in five different scripts. Can you sort out which is which?

Challenge Level

Train game for an adult and child. Who will be the first to make the train?

Challenge Level

Your vessel, the Starship Diophantus, has become damaged in deep space. Can you use your knowledge of times tables and some lightning reflexes to survive?

Challenge Level

Here is a chance to play a version of the classic Countdown Game.

Challenge Level

What is the smallest number of answers you need to reveal in order to work out the missing headers?

Challenge Level

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

Challenge Level

Pick two rods of different colours. Given an unlimited supply of rods of each of the two colours, how can we work out what fraction the shorter rod is of the longer one?

Challenge Level

Factors and Multiples game for an adult and child. How can you make sure you win this game?

Challenge Level

Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?

Challenge Level

Some of the numbers have fallen off Becky's number line. Can you figure out what they were?

Challenge Level

Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.

Challenge Level

Got It game for an adult and child. How can you play so that you know you will always win?