In China, it is called "chi chao ban", or the seven boards of cunning. Test your own mental mettle with this ancient geometric puzzler.

Materials

• Paper
• Scissors

• Glue
• Cardboard

Instructions

1. To make a seven-piece tangram, start with a square piece of paper, any size. Fold it into a triangle, unfold, and cut along the fold line.

2. Fold one of the triangles in half. Cut along the fold line to create pieces 1 and 2.

3. Fold the other half of the original square. Unfold and cut along the line to create piece 3.

4. Cut the remaining quadrangle in half along the fold line.

5. Take one of these pieces and fold. Cut along the line to create a triangle and square, pieces 4 and 5. Then fold the remaining piece. Cut along the fold line, creating pieces 6 and 7.

6. To make the pieces more rigid, paste onto the cardboard and cut.

Tips:

Try to see how many figures you can make of people, animals, boats, houses and geometric shapes.

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