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Tangram Paradox

How can the same pieces of the tangram make this bowl before and after it was chipped? Use the interactivity to try and work out what is going on!

Cutting Corners

Can you make the most extraordinary, the most amazing, the most unusual patterns/designs from these triangles which are made in a special way?

Cut and Make

Cut a square of paper into three pieces as shown. Now,can you use the 3 pieces to make a large triangle, a parallelogram and the square again?

Square Tangram

Age 7 to 11 Challenge Level:

A set of shapes has five pieces.
First, make a square using four pieces.
Then, make a square using all five pieces.

Full screen version

Then add another set of five pieces (so now there are ten) and make a square with all of them.

Full screen version

You could download this sheet with two sets of pieces for printing and cutting.

Printable NRICH Roadshow resource.