Copy of Tangram
Directions:
1. Use the blue dot to move the figure and the red dot to rotate the figure.
This applet has one square and some small, medium, and large right triangles. The area of the square is 1 square unit.
- Notice that you can put together two small triangles to make a square. What is the area of the square composed of two small triangles? Be prepared to explain your reasoning.
- Use your shapes to create a new shape with an area of 1 square unit that is not a square. Draw your shape on paper and label it with its area.
- Use your shapes to create a new shape with an area of 2 square units. Draw your shape and label it with its area.
- Use your shapes to create a different shape with an area of 2 square units. Draw your shape and label it with its area.
- Use your shapes to create a new shape with an area of 4 square units. Draw your shape and label it with its area.