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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:

This shape is called a triomino - it is three squares joined together to make an "L":

trionimo

Can you cover the grid below with triominoes?
Explain what you did and please send us a picture of your finished grid.
Click on the cross and drag a triomino onto the grid. Then you can use the arrow keys to turn it around.

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What happens when you try fitting the pieces into this grid?
Can you explain why?

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The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.
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NRICH is part of the family of activities in the Millennium Mathematics Project.