Take a look at these recently solved problems.
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Tangram tangle
If you split the square into these two pieces, it is possible to fit the pieces together again to make a new shape. How many new shapes can you make?
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Got it
A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.
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Button-up some more
How many ways can you find to do up all four buttons on my coat? How about if I had five buttons? Six ...?
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Two and two
How many solutions can you find to this sum? Each of the different letters stands for a different number.
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Domino magic rectangle
An ordinary set of dominoes can be laid out as a 7 by 4 magic rectangle in which all the spots in all the columns add to 24, while those in the rows add to 42. Try it! Now try the magic square...