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

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There are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs. How many eggs are in each basket?

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

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

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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?

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Use these four dominoes to make a square that has the same number of dots on each side.

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

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

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Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?

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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.

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

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

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Can you find any two-digit numbers that satisfy all of these statements?

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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?

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Katie had a pack of 20 cards numbered from 1 to 20. She arranged the cards into 6 unequal piles where each pile added to the same total. What was the total and how could this be done?

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

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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?

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

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Play this game and see if you can figure out the computer's chosen number.

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