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Four Triangles Puzzle

Cut four triangles from a square as shown in the picture. How many different shapes can you make by fitting the four triangles back together?

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Two by One

An activity making various patterns with 2 x 1 rectangular tiles.

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Playground Snapshot

The image in this problem is part of a piece of equipment found in the playground of a school. How would you describe it to someone over the phone?

Overlapping Again

Age 7 to 11 Challenge Level:

We haven't had any correct solutions to this problem yet, but you can still send us your ideas - we'd love to hear from you.

You might like to use the interactivity to test out your visualisations.