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Unit 2 - Lesson 13 - Grade 3: Illustrative Mathematics

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11 Questions
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Grade 3 Unit 2
Lesson 13: Find the Area of Figures
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 2
Lesson 13: Find the Area of Figures
CC BY 2021 Illustrative Mathematics®
Lesson: Find the Area of Figures

Number Talk: Extend Make a Ten (Warm Up)

Find the value of each expression mentally.
1.

109 + 4

2.

109 + 14

3.

209 + 34

4.

219 + 34

Bye-Bye Squares

5.

What do you notice?

6.

What do you wonder?

7.

Find the area of the figure. Explain or show your reasoning.

8.

Find the area of the figure. Explain or show your reasoning.

How Many Pavers Do We Need?

Noah wants to use square pavers that are 1 square foot each to create a small patio in the community garden.


A diagram of the patio is shown.

9.

How many 1 square foot pavers will Noah need to cover the whole patio?

10.

What is the area of the patio? Explain or show your reasoning.

Cool Down: Find the Area
11.

Find the area of this figure. Explain or show your reasoning.