Library

Unit 3 - Lesson 3 - Grade 5: Illustrative Mathematics

By Formative Library
Last updated 2 months ago
10 Questions
Note from the author:
Grade 5 Unit 3
Lesson 3: Multiply Unit Fractions
CC BY 2021 Illustrative Mathematics
Grade 5 Unit 3
Lesson 3: Multiply Unit Fractions
CC BY 2021 Illustrative Mathematics
Lesson: Multiply Unit Fractions

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

1.

What is the area of the shaded region?


Record an estimate that is:

Notice Patterns in Expressions

2.

Choose one of the diagrams and write a multiplication expression to represent the shaded region.


How much of the whole square is shaded? Explain or show your thinking.

3.

If the pattern continues, draw what you think the next diagram will look like. Be prepared to explain your thinking.

Write a Multiplication Equation

4.

Write a multiplication equation to represent the area of the shaded piece.

5.

Explain how the diagram represents the equation 1/5 x 1/3 = 1/15

6.

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

7.

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

Cool Down: Multiplication Equations
8.

Write a multiplication equation to represent the shaded piece in the figure. Explain or show your reasoning.

9.

Complete the equation. Draw a diagram if it helps you.


10.

Complete the equation. Draw a diagram if it helps you.