1. Proportional Reasoning

2. Recognizing pieces Whole to part Part to whole Conservation of area
Tangrams
Recognizing pieces
Whole to part
Part to whole
Conservation of area

3. Tangrams Recognizing pieces
1 whole square or large square composed of 7 pieces
2 large triangles
2 small triangles
1 medium triangle
1 small square
1 parallelogram

4. Tangrams
Whole to part
If the whole tangram has an area of 36 units2, what is the area of the parallelogram?

5. Tangrams
Part to whole
If the parallelogram and a small triangle have an area of 3/8 units2, what is the area of the whole large square?