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Unit 7 - Lesson 8 - Grade 3: Illustrative Mathematics

Last updated about 1 year ago

16 questions

Note from the author:

Instructions

Lesson: Find the Perimeter

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Cool Down: A Triangle and a Square

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Grade 3 Unit 7
Lesson 8: Find the Perimeter
CC BY 2021 Illustrative Mathematics®

Grade 3 Unit 7
Lesson 8: Find the Perimeter
CC BY 2021 Illustrative Mathematics®

Number Talk: Decreasing Dividend (Warm Up)

Find the value of each expression mentally.

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Question 1

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Question 2

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Question 3

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Ways to Find Perimeter

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Question 5

5.

What do you notice?

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Question 6

6.

What do you wonder?

Question 7

7.

Find the perimeter of the shape. Explain or show your reasoning.

Question 8

8.

Find the perimeter of the shape. Explain or show your reasoning.

Question 9

9.

Find the perimeter of the shape. Explain or show your reasoning.

Question 10

10.

Find the perimeter of the shape. Explain or show your reasoning.

Question 11

11.

Find the perimeter of the shape. Explain or show your reasoning.

Something is Missing

Question 12

12.

Find the perimeter of this rectangle. Explain or show your reasoning.

Question 13

13.

All the short sides of this figure are the same length, and all the angles are right angles. Find the perimeter. Explain or show your reasoning.

Question 14

14.

All the sides of the octagon are the same length. Find the perimeter. Explain or show your reasoning.

Question 15

15.

Find the perimeter of the shape. Explain or show your reasoning.

Question 16

16.

Find the perimeter of the shape. Explain or show your reasoning.

Question 4

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