Unit 9 Contents

Sorting Polygons

8. Work with a partner. Use the Sorting Polygons page in the Student Activity Book to sort the eight Power Polygons™ below.
   
   Put rhombuses in Box A and rectangles in Box B. Some polygons may go outside both boxes. Some may go in both boxes. The drawing shows you how to start.
   
   
9. Use your work for Question 8 to answer the questions below.
1. Is a square also a rhombus? Use properties to tell how you know.
2. Is a square also a rectangle? Use properties to tell how you know.
3. Are all rectangles squares? Use properties to tell how you know.