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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 to L

Age 7 to 11 Challenge Level:
four by four grid

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.