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Unit 2 - Lesson 4 - Grade 3: Illustrative Mathematics

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Last updated 2 months ago
19 Questions
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Grade 3 Unit 2
Lesson 4: Area of Rectangles
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 2
Lesson 4: Area of Rectangles
CC BY 2021 Illustrative Mathematics®
Lesson: Area of Rectangles

Which One Doesn’t Belong: Area and Arrays (Warm Up)

1.

Which one doesn’t belong?

What Did I Create?

Can you and your partner draw the same rectangle without looking at each other's drawing?

2.

Partner A: Draw a rectangle on one of the grids provided. Describe it to your partner without telling them the total number of squares.

3.

Partner B: Draw the rectangle your partner describes to you.

4.

Place your two rectangles next to each other.

Discuss: What is the same?

5.

Place your two rectangles next to each other.

Discuss: What is different?

Switch roles and repeat.
6.

Partner A: Draw a rectangle on one of the grids provided. Describe it to your partner without telling them the total number of squares.

7.

Partner B: Draw the rectangle your partner describes to you.

8.

Place your two rectangles next to each other.

Discuss: What is the same?

9.

Place your two rectangles next to each other.

Discuss: What is different?

What Did I Create?

Find the area of each rectangle and include the units. Explain or show your reasoning.
10.

Find the area of the rectangle and include the units.

11.

Explain or show your reasoning.

12.

Find the area of the rectangle and include the units.

13.

Explain or show your reasoning.

14.

Find the area of the rectangle and include the units.

15.

Explain or show your reasoning.

16.

Find the area of the rectangle and include the units.

17.

Explain or show your reasoning.

Cool Down: What’s the Area?
18.

Find the area of this rectangle.

19.

Explain or show your reasoning.