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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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Shaping It

These pictures were made by starting with a square, finding the half-way point on each side and joining those points up. You could investigate your own starting shape.

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All Change

There are three versions of this challenge. The idea is to change the colour of all the spots on the grid. Can you do it in fewer throws of the dice?

Weighted Numbers

Age 5 to 7 Challenge Level:

If a $2$ balances with two $1$s and a $3$ balances with three $1$s, can you see how the balance works?
Have you tried out some ideas on the interactivity?