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This was a problem for our birthday website. Can you use four of these pieces to form a square? How about making a square with all five pieces?

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Follow these instructions to make a three-piece and/or seven-piece tangram.

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Can you make five differently sized squares from the interactive tangram pieces?

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Can you make the birds from the egg tangram?

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Can you fit the tangram pieces into the outline of Mah Ling?

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Can you fit the tangram pieces into the outline of the plaque design?

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Can you fit the tangram pieces into the outlines of the people?

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Can you fit the tangram pieces into the outline of Little Ming?

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Can you fit the tangram pieces into the outline of the house?

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Can you fit the tangram pieces into the outline of the butterfly?

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Can you logically construct these silhouettes using the tangram pieces?

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Can you fit the tangram pieces into the silhouette of the junk?

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Can you fit the tangram pieces into the outline of Little Fung at the table?

Explore our selection of interactive tangrams. Can you use the tangram pieces to re-create each picture?

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Can you fit the tangram pieces into the outlines of the camel and giraffe?

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Can you fit the tangram pieces into the outline of the candle?

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Read about the adventures of Granma T and her grandchildren in this series of stories, accompanied by interactive tangrams.

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Can you fit the tangram pieces into the outlines of the numbers?

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Can you fit the tangram pieces into the outlines of Wai Ping, Wu Ming and Chi Wing?

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Can you fit the tangram pieces into the outline of the telephone?

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Can you fit the tangram pieces into the outline of Granma T?

This article looks at levels of geometric thinking and the types of activities required to develop this thinking.

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Can you fit the tangram pieces into the outlines of the convex shapes?

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Can you fit the tangram pieces into the outline of this teacup?

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Can you fit the tangram pieces into the outlines of Little Ming and Little Fung dancing?

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Can you fit the tangram pieces into the outline of the brazier for roasting chestnuts?

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Can you fit the tangram pieces into the outlines of Mah Ling and Chi Wing?

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Can you fit the tangram pieces into the outline of the dragon?

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Can you fit the tangram pieces into the outlines of the rabbits?

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Can you fit the tangram pieces into the outline of the sports car?

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Use the tangram pieces to make our pictures, or to design some of your own!

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Can you fit the tangram pieces into the outline of the clock?

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Can you fit the tangram pieces into the outlines of the chairs?

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Can you fit the tangram pieces into the outlines of the lobster, yacht and cyclist?

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Can you fit the tangram pieces into the outline of the child walking home from school?

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Can you fit the tangram pieces into the outline of the playing piece?

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Can you fit the tangram pieces into the outlines of the telescope and microscope?