Unit 3 - Lesson 12 - Grade 5: Illustrative Mathematics

Last updated about 1 year ago

16 questions

Note from the author:

Instructions

Lesson: Represent Division of Unit Fractions by Whole Numbers

Cool Down: Evaluate Division Expressions

Unit 3 - Lesson 12 - Grade 5: Illustrative Mathematics

Last updated about 1 year ago

16 questions

Note from the author:

Grade 5 Unit 3
Lesson 12: Represent Division of Unit Fractions by Whole Numbers
CC BY 2021 Illustrative Mathematics

Instructions

Grade 5 Unit 3
Lesson 12: Represent Division of Unit Fractions by Whole Numbers
CC BY 2021 Illustrative Mathematics

Lesson: Represent Division of Unit Fractions by Whole Numbers

Estimation Exploration: How Much is Shaded? (Warm Up)

How much is shaded?

Record an estimate that is:

Diagrams, Equations, Situations

Priya and Mai used the diagrams below to find the value of

What is the same about the diagrams?

Priya’s Work

Find the value of

Explain or show your reasoning.

This is Priya’s work for finding the value of

because I divided 1/3 into 2 equal parts and 1/2 of 1/3 is shaded in.

What questions do you have for Priya?

Priya’s equation is incorrect. How can Priya revise her explanation?

Look for Patterns

Find the value that makes the equation true. Use a diagram if it is helpful.

What patterns do you notice?

How would you find the value of 1/4 divided by any whole number? Explain or show your reasoning.

Cool Down: Evaluate Division Expressions

Unit 3 - Lesson 12 - Grade 5: Illustrative Mathematics

Unit 3 - Lesson 12 - Grade 5: Illustrative Mathematics

Estimation Exploration: How Much is Shaded? (Warm Up)

How much is shaded?Record an estimate that is:

Diagrams, Equations, Situations

What is the same about the diagrams?

Priya’s Work

Find the value ofExplain or show your reasoning.

This is Priya’s work for finding the value ofbecause I divided 1/3 into 2 equal parts and 1/2 of 1/3 is shaded in.What questions do you have for Priya?

Priya’s equation is incorrect. How can Priya revise her explanation?

Look for Patterns

Find the value that makes the equation true. Use a diagram if it is helpful.

Find the value that makes the equation true. Use a diagram if it is helpful.

Find the value that makes the equation true. Use a diagram if it is helpful.

What patterns do you notice?

How would you find the value of 1/4 divided by any whole number? Explain or show your reasoning.

Write a division expression for the shaded region. Explain or show your reasoning.

What fraction does the shaded region represent? Explain or show your reasoning.

Estimation Exploration: How Much is Shaded? (Warm Up)

How much is shaded?Record an estimate that is:

Diagrams, Equations, Situations

What is the same about the diagrams?

What is different?

Find the value that makes the equation true.

Han drew this diagram to representExplain how the diagram shows

Find the value that makes the equation true. Explain or show your reasoning.

Priya’s Work

Find the value ofExplain or show your reasoning.

This is Priya’s work for finding the value ofbecause I divided 1/3 into 2 equal parts and 1/2 of 1/3 is shaded in.What questions do you have for Priya?

Priya’s equation is incorrect. How can Priya revise her explanation?

Look for Patterns

Find the value that makes the equation true. Use a diagram if it is helpful.

Find the value that makes the equation true. Use a diagram if it is helpful.

Find the value that makes the equation true. Use a diagram if it is helpful.

What patterns do you notice?

How would you find the value of 1/4 divided by any whole number? Explain or show your reasoning.

Write a division expression for the shaded region. Explain or show your reasoning.

What fraction does the shaded region represent? Explain or show your reasoning.

Find the value that makes the equation true.

Han drew this diagram to representExplain how the diagram shows

Find the value that makes the equation true. Explain or show your reasoning.

How much is shaded?

Record an estimate that is:

Find the value of

Explain or show your reasoning.

This is Priya’s work for finding the value of

because I divided 1/3 into 2 equal parts and 1/2 of 1/3 is shaded in.

What questions do you have for Priya?

How much is shaded?

Record an estimate that is:

Han drew this diagram to represent

Explain how the diagram shows

Find the value of

Explain or show your reasoning.

This is Priya’s work for finding the value of

because I divided 1/3 into 2 equal parts and 1/2 of 1/3 is shaded in.

What questions do you have for Priya?

Han drew this diagram to represent

Explain how the diagram shows