The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?

There are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs. Can you use the information given to find out how many eggs are in each basket?

On a farm there were some hens and sheep. Altogether there were 8 heads and 22 feet. How many hens were there?

As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?

Dotty Six is a simple dice game that you can adapt in many ways.

Who said that adding, subtracting, multiplying and dividing couldn't be fun?

Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?

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

These eleven shapes each stand for a different number. Can you use the multiplication sums to work out what they are?

In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7. The winner is the first to make the total 37.

Can you fill in this table square? The numbers 2 -12 were used to generate it with just one number used twice.

Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?

This challenge is a game for two players. Choose two of the numbers to multiply or divide, then mark your answer on the number line. Can you get four in a row?

The idea of this game is to add or subtract the two numbers on the dice and cover the result on the grid, trying to get a line of three. Are there some numbers that are good to aim for?

There are nasty versions of this dice game but we'll start with the nice ones...