Unit 2 - Lesson 12 - Grade 3: Illustrative Mathematics
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10 questions
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Grade 3 Unit 2
Lesson 12: Area and Addition
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 2
Lesson 12: Area and Addition
CC BY 2021 Illustrative Mathematics®
Lesson: Area and Addition
Number Talk: So Close (Warm Up)
Find the value of each expression mentally.
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1
Question 1
1.
9 + 6
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1
Question 2
2.
29 + 6
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1
Question 3
3.
59 + 6
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1
Question 4
4.
49 + 8
Rectangles in Rectangles
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Question 5
5.
This rectangle represents space in a community garden. The shaded part is covered with vegetables and the unshaded part is covered with flowers. Each square represents 1 square foot.
What is the area of the whole space?
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1
Question 6
6.
Design your own garden. Find the area of each part of the garden and the area of the whole garden.
Find the Rectangles
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Question 7
7.
What do you notice?
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1
Question 8
8.
What do you wonder?
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1
Question 9
9.
Find the area of this figure. Explain or show your reasoning. Organize it so it can be followed by others.
Cool Down: Where are the Rectangles?
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Question 10
10.
Find the area of this figure. Explain or show your reasoning.