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Unit 3 - Lesson 5 - Grade 5: Illustrative Mathematics

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9 Questions
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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

2.

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

3.

What patterns do you notice in the multiplication expressions?

4.

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


Estimate With Expressions

5.

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

6.

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

7.

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

8.

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

Cool Down: Write an Equation
9.

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