Unit 3 - Lesson 17 - Grade 5: Illustrative Mathematics

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Grade 5 Unit 3
Lesson 17: Fraction Multiplication and Division Situations
CC BY 2021 Illustrative Mathematics

Instructions

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.

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.

Cool Down: How Much Milk?