Unit 11 Contents

6. Professor Peabody sorted the shapes from the Quadrilateral Sort Cards again.

1. Look at Professor Peabody's sorting. What are the properties of a rhombus?
2. Draw another rhombus. Explain why it is a rhombus.
3. Are all squares rhombuses?

Check-In: Question 7

7. Professor Peabody sorted the shapes from the Quadrilateral Sort Cards again.

1. Look at Professor Peabody's sorting. What property did he use to sort the shapes? What is true about all the shapes in Group 1?
2. Add a shape to each group. Draw a picture and explain why it belongs in that group.

Play Mystery Sort: Quadrilaterals in the Student Activity Book to practice describing and classifying using properties of shapes.