A tangram is an ancient Chinese puzzle where you make pictures using mathematical shapes.
Make a set of tangram pieces from squared paper as shown below:
Can you make each of these pictures using your seven pieces?
You can try some more tangram puzzles in the World of Tan
There are puzzles using a different set of tangram shapes in the problem Square Tangram
Or why not try designing some Tangram pictures of your own?
If you want to learn how to make a tangram, click here