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Unit 7 - Lesson 15 - Grade 3: Illustrative Mathematics

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Last updated 11 months ago
6 questions
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Grade 3 Unit 7
Lesson 15: Design Your Own Robot
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 7
Lesson 15: Design Your Own Robot
CC BY 2021 Illustrative Mathematics®
Lesson: Design Your Own Robot
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Cool Down: Reflect on Learning About Perimeter
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What Do You Know About Area and Perimeter? (Warm Up)

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Question 1
1.

What do you know about area and perimeter?

Create Your Own Robot

Question 2
2.

Create your own robot with these specifications. Explain or show your work so it is clear your robot meets the required specifications.
  • Each body part must be a rectangle.
  • Head: perimeter of 36 units
  • Neck: perimeter of 8 units
  • Body: perimeter of 64 units
  • Each arm: perimeter of 24 units
  • Each leg: perimeter of 32 units
  • Include one more rectangular feature of your choice on your robot.

Question 3
3.

Find the area of each of your robot’s body parts.

Question 4
4.

Find the total area of your robot.

Question 5
5.

Gallery Walk: As you visit the robots with your partner, discuss the different areas that can be created with rectangles that have the same perimeter.

Question 6
6.

Which lesson about shapes and perimeter was your favorite? Why?