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Unit 3 - Lesson 4 - Grade 5: Illustrative Mathematics

Last updated 9 months ago
12 questions
Note from the author:
Grade 5 Unit 3
Lesson 4: Situations about Multiplying Fractions
CC BY 2021 Illustrative Mathematics
Grade 5 Unit 3
Lesson 4: Situations about Multiplying Fractions
CC BY 2021 Illustrative Mathematics
Lesson: Situations about Multiplying Fractions

Number Talk: More Halving (Warm Up)

Find the value each expression mentally.
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The Park

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A city is designing a park on a rectangular piece of land. 2/3 of the park will be used for different sports. 1/2 of the land set aside for sports will be soccer fields.

Draw a diagram of the situation.

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Write a multiplication expression to represent the fraction of the park that will be soccer fields.

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What fraction of the whole park will be soccer fields? Explain or show your reasoning.

A Different Park

Here is a diagram for a different park that Elena drew.

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Which part of the park can be represented with the expression 3/5 x 1/2?

Explain or show your reasoning.

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Pick one of the other parts of the park and write a multiplication expression for the fraction of the park it represents.

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Trade expressions with your partner and figure out which part of the park their expression represents. Be prepared to explain your reasoning.

Cool Down: Area of the Park
Here is a diagram for a park.

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Write a multiplication expression to represent the fraction of the park that is for soccer.

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How much of the whole park will be used for soccer?