Grade
4

Same & Different: Red Polygons

Look at the two figures. What do you notice?

A: An 8-sided figure made from 2 quadrilaterals. The top part is 12 by 16. The bottom part is 10 by 10. The dimensions are 16, 12, 3, 10, 10, 10, 3, and 12. B: A 6-sided figure made from 2 quadrilaterals. The left part is 9 by 18. The right part is 11 by 11. The dimensions are 9, 7, 11, 11, 20, and 18.
  1. How are pictures A and B mathematically the same, and how are they different?
    • A and B are the same because …
    • A and B are different because …
  2. Draw a third figure. Explain how your figure is the same as pictures A and B, and how it is different.