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Unit 2 - Lesson 12 - Grade 5: Illustrative Mathematics

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Last updated 11 months ago
10 questions
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Grade 5 Unit 2
Lesson 12: Decompose Area
CC BY 2021 Illustrative Mathematics®
Grade 5 Unit 2
Lesson 12: Decompose Area
CC BY 2021 Illustrative Mathematics®
Lesson: Decompose Area
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Cool Down:Decompose Rectangles
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Number Talk: Partial Products (Warm Up)

Find the value of each expression mentally.
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Question 1
1.

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Question 2
2.

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Question 3
3.

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Question 4
4.

Which Garden Is Larger?

Question 5
5.

Noah’s garden is 5 yards by yards. Draw a diagram of Noah’s garden on the grid.

Question 6
6.

Priya’s garden is 6 yards by yards. Draw a diagram of Priya’s garden on the grid.

Question 7
7.

Whose garden covers a larger area? Be prepared to explain your reasoning.

Different Ways to Find the Area


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Question 8
8.

Each problem shows the first step a student used to find the area of the shaded region. Explain how each student could finish their work to find the area and show your thinking on the diagram.

1
Question 9
9.

Share your response with your partner. What is the same? What is different?

Question 10
10.

Find the area of the shaded region.