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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?

Square to L

Find a way to cut a 4 by 4 square into only two pieces, then rejoin the two pieces to make an L shape 6 units high.

Cut and Make

Age 7 to 11 Challenge Level:

Take a square of paper, fold it in half from corner to corner and cut along the fold.

Take one of the triangles, fold it in half and cut along the fold.

square with lines marking cuts

Use the three pieces to make a large triangle, a parallelogram and the square again.

triangle parallelogram square