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Unit 3 - Lesson 17 - Grade 5: Illustrative Mathematics

By Formative Library
Last updated 7 months ago
14 questions
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Grade 5 Unit 3
Lesson 17: Fraction Multiplication and Division Situations
CC BY 2021 Illustrative Mathematics
Grade 5 Unit 3
Lesson 17: Fraction Multiplication and Division Situations
CC BY 2021 Illustrative Mathematics
Lesson: Fraction Multiplication and Division Situations

Number Talk: Multiply and Divide (Warm Up)

Find the value of each expression mentally.

Info Gap: Tiles

Round 1


Your teacher will give you either a problem card or a data card. Do not show or read your card to your partner.

Problem Card Student: Silently read the problem card.

Data Card Student: Silently read the data card.
Problem Card Student:
"Can you tell me______?" (Ask for a specific piece of information)
Data Card Student:
"Why do you need to know _____?" (Repeat the information requested)
Problem Card Student:
"I need to know _______ because _______."
Data Card Student:
Listen to your partner's reason. Answer with information from the data card.
Problem Card Student:
Continue asking questions until you can say, "I have enough information to solve this problem."

Display the problem card.

Solve the problem independently.

Data Card Student:
Share Data Card, then compare strategies and solutions.
Pause here so your teacher can review your work.

Ask your teacher for a new set of cards and repeat the activity, trading roles with your partner.

Round 2


Your teacher will give you either a problem card or a data card. Do not show or read your card to your partner.

Problem Card Student: Silently read the problem card.

Data Card Student: Silently read the data card.
Problem Card Student:
"Can you tell me______?" (Ask for a specific piece of information)
Data Card Student:
"Why do you need to know _____?" (Repeat the information requested)
Problem Card Student:
"I need to know _______ because _______."
Data Card Student:
Listen to your partner's reason. Answer with information from the data card.
Problem Card Student:
Continue asking questions until you can say, "I have enough information to solve this problem."

Display the problem card.

Solve the problem independently.

Data Card Student:
Share Data Card, then compare strategies and solutions.
Pause here so your teacher can review your work.

Ask your teacher for a new set of cards and repeat the activity, trading roles with your partner.

Multiplication or Division

Solve each problem. Explain or show your reasoning.

If 11 grains of rice weigh 1/3 gram, how much does each grain of rice weigh?

Explain your reasoning.

Mai’s road is 9/10 mile long. She ran 3/4 of the length of her road. How far did she run?

Explain your reasoning.

If each tennis ball weighs 21/16 ounces, how much do 9 tennis balls weigh?

Explain your reasoning.

Cool Down: How Much Milk?

A container has 2 cups of milk in it. How many 1/4 cups of milk are in the container? Explain or show your reasoning.

A container has 2 cups of milk in it. The container is 1/3 full. How many cups does the
container hold? Explain or show your reasoning.