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Unit 7 - Lesson 13 - Grade 5: Illustrative Mathematics

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Grade 5 Unit 7

Lesson 13: Perimeter and Area of Rectangles

CC BY 2021 Illustrative Mathematics

Grade 5 Unit 7

Lesson 13: Perimeter and Area of Rectangles

CC BY 2021 Illustrative Mathematics

Lesson: Perimeter and Area of Rectangles

Estimation Exploration: Window Washing (Warm Up)

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Rectangle Perimeters

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Rectangle Areas

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Cool Down: Area and Perimeter of a Rectangle
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Pitanje 1
1.

What is the area of one window?

Record an estimate that is:

Pitanje 2
2.

Jada drew a rectangle with a perimeter of 12 centimeters. What could the length and width of Jada’s rectangle be? Use the table to record your answer.

Pitanje 3
3.

Plot the length and width of each rectangle on the coordinate grid.

Pitanje 4
4.

If Jada drew a square, how long and wide was it?

Pitanje 5
5.

If Jada’s rectangle was 2.5 cm long, how wide was it? Plot this point on the coordinate grid.

Pitanje 6
6.

If Jada’s rectangle was 3.25 cm long, how wide was it? Plot this point on the coordinate grid.

Pitanje 7
7.

Jada drew a rectangle with area 16 square centimeters. What could the length and width of Jada’s rectangle be? Use the table to record your answer.

Pitanje 8
8.

Plot the length and width of each rectangle on the coordinate grid.

Pitanje 9
9.

If Jada’s rectangle was 5 cm long, how wide was it? Plot this point on the coordinate grid.

Pitanje 10
10.

If Jada’s rectangle was 3 cm long, how wide was it? Plot this point on the coordinate grid.

Pitanje 11
11.

If Jada drew a square, how long and wide was it? Explain how you know.

Pitanje 12
12.

The point represents the length and width of a rectangle.

What are the area and perimeter of the rectangle? Explain or show your reasoning.

Pitanje 13
13.

What is a point that represents a different rectangle with the same area? Explain or show

your reasoning.