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Follow this recipe for sieving numbers and see what interesting patterns emerge.
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Can you find rectangles where the value of the area is the same as the value of the perimeter?
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Can you deduce which Olympic athletics events are represented by the graphs?
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15 = 7 + 8 and 10 = 1 + 2 + 3 + 4. Can you say which numbers can be expressed as the sum of two or more consecutive integers?
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Charlie has made a Magic V. Can you use his example to make some more? And how about Magic Ls, Ns and Ws?
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If you have only 40 metres of fencing available, what is the maximum area of land you can fence off?
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Imagine a very strange bank account where you are only allowed to do two things...
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Play this game to learn about adding and subtracting positive and negative numbers
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By selecting digits for an addition grid, what targets can you make?
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What happens when you add a three digit number to its reverse?
