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Unit 3 - Lesson 3 - Grade 5: Illustrative Mathematics

Last updated 9 months ago

10 questions

Note from the author:

Grade 5 Unit 3
Lesson 3: Multiply Unit Fractions
CC BY 2021 Illustrative Mathematics

Instructions

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

1

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.

1

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

Write a Multiplication Equation

1

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

1

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

1

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

1

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

Cool Down: Multiplication Equations

1

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

1

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

1

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