Unit 3 - Lesson 5 - Grade 5: Illustrative Mathematics

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9 questions
Note from the author:
Grade 5 Unit 3
Lesson 5: Multiply a Unit Fraction by a Non-unit Fraction
CC BY 2021 Illustrative Mathematics
Grade 5 Unit 3
Lesson 5: Multiply a Unit Fraction by a Non-unit Fraction
CC BY 2021 Illustrative Mathematics
Lesson: Multiply a Unit Fraction by a Non-unit Fraction

Estimation Exploration: Shaded Rectangle (Warm Up)

1

What is the area of the shaded region?


Record an estimate that is:

Write Equations

1

Write a multiplication expression that represents the shaded region in each diagram.

1

What patterns do you notice in the multiplication expressions?

1

Han wrote this equation to represent the area of the shaded region. Explain how the diagram represents the equation.


Estimate With Expressions

1

Write a multiplication expression that might represent the area of the shaded region. Be prepared to explain your reasoning.

1

Write a multiplication expression that might represent the area of the shaded region. Be prepared to explain your reasoning.

1

Write a multiplication expression that might represent the area of the shaded region. Be prepared to explain your reasoning.

1

Write a multiplication expression that might represent the area of the shaded region. Be prepared to explain your reasoning.

Cool Down: Write an Equation
1

Find the value of 1/3 x 4/5 . Explain or show your reasoning. Use the diagram if it is helpful.