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Unit 6 - Lesson 19 - Grade 5: Illustrative Mathematics

By Formative Library
Last updated 3 months ago
14 Questions
Note from the author:
Grade 5 Unit 6
Lesson 19: Compare to 1
CC BY 2021 Illustrative Mathematics®
Grade 5 Unit 6
Lesson 19: Compare to 1
CC BY 2021 Illustrative Mathematics®
Lesson: Compare to 1

What Do You Know About 15/14 x 23/30? (Warm up)

1.

What do you know about 15/14 x 23/30?

Compare Fraction Products on the Number Line

2.

Match the expressions and number lines that show the same value.

  • 2/5 x 4/3
  • 3/4 x 5/2
  • 4/3 x 5/2
  • (1 + 1/3) x 5/2
  • (1 - 3/5) x 4/3
  • (1 - 1/4) x 5/2

True Statement

Rewrite each expression as a sum or difference of 2 products.
3.

4.

5.

6.

Fill in each blank with < or > to make the inequality true.
7.
(1 - 2/5) x 4/7__________4/7
8.
(1 + 1/5) x 4/7__________4/7
9.
(1 - 3/8) x 4/7__________4/7
10.
(1 + 1/8) x 4/7__________4/7
11.

Describe the value of the product when 4/7 is multiplied by a fraction greater than 1. Explain your reasoning.

12.

Describe the value of the product when 4/7 is multiplied by a fraction less than 1. Explain your reasoning.

Cool Down: Compare without Calculating
13.

Is (1 - 16/33) x 11/14 greater than, equal to, or less than 11/14? Explain or show your reasoning.

14.

Is 49/33 x 11/14 greater than, equal to, or less than 11/14? Explain or show your reasoning.