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Unit 2 - Lesson 4 - Grade 3: Illustrative Mathematics
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Instructions
Lesson: Area of Rectangles
1
Cool Down: What’s the Area?
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1
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®
Which One Doesn’t Belong: Area and Arrays (Warm Up)
Question 1
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?
1
1
1
1
1
1
1
1
What Did I Create?
Find the area of each rectangle and include the units. Explain or show your reasoning.
1
Question 10
10.
visibility
View drawing
1
1
1
1
1
1
1
Question 18
18.
Find the area of this rectangle.
visibility
View drawing
Question 19
19.
Explain or show your reasoning.
visibility
View drawing
Question 2
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.
visibility
View drawing
Question 3
3.
Partner B:
Draw the rectangle your partner describes to you.
visibility
View drawing
Question 4
4.
Place your two rectangles next to each other.
Discuss: What is the same?
Question 5
5.
Place your two rectangles next to each other.
Discuss: What is different?
Switch roles and repeat.
Question 6
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.
visibility
View drawing
Question 7
7.
Partner B:
Draw the rectangle your partner describes to you.
visibility
View drawing
Question 8
8.
Place your two rectangles next to each other.
Discuss: What is the same?
Question 9
9.
Place your two rectangles next to each other.
Discuss: What is different?
Find the area of the rectangle and include the units.
Question 11
11.
Explain or show your reasoning.
visibility
View drawing
Question 12
12.
Find the area of the rectangle and include the units.
visibility
View drawing
Question 13
13.
Explain or show your reasoning.
visibility
View drawing
Question 14
14.
Find the area of the rectangle and include the units.
visibility
View drawing
Question 15
15.
Explain or show your reasoning.
Question 16
16.
Find the area of the rectangle and include the units.
visibility
View drawing
Question 17
17.
Explain or show your reasoning.