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Unit 2 - Lesson 12 - Grade 5: Illustrative Mathematics

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Grade 5 Unit 2

Lesson 12: Decompose Area

CC BY 2021 Illustrative Mathematics®

Instrukcije

Grade 5 Unit 2

Lesson 12: Decompose Area

CC BY 2021 Illustrative Mathematics®

Lesson: Decompose Area

Number Talk: Partial Products (Warm Up)

Which Garden Is Larger?

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Different Ways to Find the Area

Cool Down:Decompose Rectangles

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Find the value of each expression mentally.

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Pitanje 1

1.

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Pitanje 2

2.

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Pitanje 3

3.

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Pitanje 4

4.

Pitanje 5

5.

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

Pitanje 6

6.

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

Pitanje 7

7.

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

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Pitanje 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.

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Pitanje 9

9.

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

Pitanje 10

10.

Find the area of the shaded region.