Unit 1 - Lesson 2 - Grade 5: Illustrative Mathematics

Which one doesn’t belong?

• A
• B
• C
• D

Partner B: Explain how you would count the number of cubes in the object.

Partner A: Explain if you would count the cubes in the same way or in a different way.

Which objects were easiest to count? Why?

What is the same? What is different?

Partner A: Use 16–24 cubes to build a prism. Describe it to your partner.

Place the two prisms next to each other and discuss what is the same and what is different about them.

Find the volume of the rectangular prism. Explain or show your reasoning.