Unit 3 - Lesson 13 - Grade 5: Illustrative Mathematics

Last updated 11 months ago

10 questions

Note from the author:

Grade 5 Unit 3
Lesson 13: Divide Whole Numbers by Unit Fractions
CC BY 2021 Illustrative Mathematics

Instructions

Grade 5 Unit 3
Lesson 13: Divide Whole Numbers by Unit Fractions
CC BY 2021 Illustrative Mathematics

Lesson: Divide Whole Numbers by Unit Fractions

Cool Down: A Different Strip of Paper

Unit 3 - Lesson 13 - Grade 5: Illustrative Mathematics

Last updated 11 months ago

10 questions

Note from the author:

Grade 5 Unit 3
Lesson 13: Divide Whole Numbers by Unit Fractions
CC BY 2021 Illustrative Mathematics

Instructions

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)

What do you notice?

What do you wonder?

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.

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

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

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

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

More Paper Strips

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.

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

Write a division equation to represent the situation.

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

Cool Down: A Different Strip of Paper

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.

Unit 3 - Lesson 13 - Grade 5: Illustrative Mathematics

Unit 3 - Lesson 13 - Grade 5: Illustrative Mathematics

Notice and Wonder: Quilt (Warm Up)

What do you notice?

What do you wonder?

Paper Strips

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

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

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

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

More Paper Strips

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

Write a division equation to represent the situation.

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

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.

Notice and Wonder: Quilt (Warm Up)

What do you notice?

What do you wonder?

Paper Strips

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

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

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

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

More Paper Strips

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

Write a division equation to represent the situation.

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

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.

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

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