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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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Triple Cubes

This challenge involves eight three-cube models made from interlocking cubes. Investigate different ways of putting the models together then compare your constructions.

Tessellate the Triominoes

Age 5 to 7 Challenge Level:

How can you fit just two triominoes together without leaving any gaps between them?
Where might be a good place to put the first triomino?