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Unit 6 - Lesson 13 - Grade 5: Lesson
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Lesson: Put It All Together: Add and Subtract Fractions
Cool Down: Fraction Addition and Subtraction
Grade 5 Unit 6
Lesson 13: Put It All Together: Add and Subtract Fractions
CC BY 2021 Illustrative Mathematics®
Grade 5 Unit 6
Lesson 13: Put It All Together: Add and Subtract Fractions
CC BY 2021 Illustrative Mathematics®
Number Talk: Sums with (Warm Up)
Find the value of each expression mentally.
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Common Denominators
Tyler says: “To find the sum, I can use 18 as a common denominator.”
Han says: “To find the sum, I can use 24 as a common denominator.”
Clare says: “To find the sum, I can use 48 as a common denominator.”
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Unlike Denominators
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Find the value of each expression. Explain or show your reasoning.
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Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Whom do you agree with? Explain or show your reasoning.
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Question 6
6.
What is the value of
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Question 7
7.
Are there other common denominators you could use to find the sum? Explain or show your reasoning.
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Find the value of each expression. Explain or show your reasoning.
Question 8
8.
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Question 9
9.
Explain or show your reasoning.
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Question 10
10.
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Question 11
11.
Explain or show your reasoning.
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Question 12
12.
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Question 13
13.
Explain or show your reasoning.
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Question 14
14.
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Question 15
15.
Explain or show your reasoning.
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Question 16
16.
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Question 17
17.
Explain or show your reasoning.
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Question 18
18.
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Question 19
19.
Explain or show your reasoning.
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