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Laabri

Unit 3 - Lesson 13 - Grade 5: Illustrative Mathematics

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Last updated over 1 year ago
10 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

Grade 5 Unit 3

Lesson 13: Divide Whole Numbers by Unit Fractions

CC BY 2021 Illustrative Mathematics

Grade 5 Unit 3

Lesson 13: Divide Whole Numbers by Unit Fractions

CC BY 2021 Illustrative Mathematics

Lesson: Divide Whole Numbers by Unit Fractions

Notice and Wonder: Quilt (Warm Up)

Paper Strips

Below are diagrams that show strips of different colored paper. Each strip is 2 feet long. The paper strips will be cut into different sized pieces.

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More Paper Strips

Cool Down: A Different Strip of Paper
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1.

What do you notice?

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2.

What do you wonder?

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3.

The red strip will be cut into pieces that are 1/2 foot long. How many pieces will there be?

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4.

The green strip will be cut into pieces that are 1/3 foot long. How many pieces will there be?

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5.

The yellow strip will be cut into pieces that are 1/4 foot long. How many pieces will there be?

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6.

Describe what was the same about the problems you solved. Describe what was different.

Kiran has a yellow strip of paper that is 2 feet long. He wants to cut the strip into pieces that are 1/6 foot long.

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7.

How many pieces will Kiran have? Explain or show your reasoning.

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8.

Write a division equation to represent the situation.

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9.

Describe how the equation

represents a strip of paper that is 3 feet long being cut into equal-sized pieces.

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10.

Han has a strip of paper that is 3 feet long. He cuts it into pieces that are 1/4 foot long. How many pieces are there? Explain or show your reasoning.