Log inSign up for FREE
Library

Unit 6 - Lesson 13 - Grade 5: Lesson

Last updated 9 months ago
19 questions
Note from the author:
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®
Lesson: Put It All Together: Add and Subtract Fractions

Number Talk: Sums with (Warm Up)

Find the value of each expression mentally.
1

1

1

1

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.”
1

Whom do you agree with? Explain or show your reasoning.

1

What is the value of

1

Are there other common denominators you could use to find the sum? Explain or show your reasoning.

Unlike Denominators

Find the value of each expression. Explain or show your reasoning.
1

1

Explain or show your reasoning.

1

1

Explain or show your reasoning.

1

1

Explain or show your reasoning.

1

1

Explain or show your reasoning.

Cool Down: Fraction Addition and Subtraction
Find the value of each expression. Explain or show your reasoning.
1

1

Explain or show your reasoning.

1

1

Explain or show your reasoning.