Unit 3 - Lesson 12 - Grade 5: Illustrative Mathematics
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Grade 5 Unit 3
Lesson 12: Represent Division of Unit Fractions by Whole Numbers
CC BY 2021 Illustrative Mathematics
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
How much is shaded?
Record an estimate that is:
How much is shaded?
Record an estimate that is:
Priya and Mai used the diagrams below to find the value of
What is the same about the diagrams?
What is the same about the diagrams?
What is different?
What is different?
Find the value that makes the equation true.
Find the value that makes the equation true.
Han drew this diagram to represent
Explain how the diagram shows
Han drew this diagram to represent
Explain how the diagram shows
Find the value that makes the equation true. Explain or show your reasoning.
Find the value that makes the equation true. Explain or show your reasoning.
Find the value of
Explain or show your reasoning.
Find the value of
Explain or show your reasoning.
This is Priya’s work for finding the value of
What questions do you have for Priya?
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?
Priya’s equation is incorrect. How can Priya revise her explanation?
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.
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?
What patterns do you notice?
How would you find the value of 1/4 divided by any whole number? Explain or show your reasoning.
How would you find the value of 1/4 divided by any whole number? Explain or show your reasoning.
Cool Down: Evaluate Division Expressions
Write a division expression for the shaded region. 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.
What fraction does the shaded region represent? Explain or show your reasoning.