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Unit 6 - Lesson 18 - Grade 5: Illustrative Mathematics

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Last updated 3 months ago
17 Questions
Note from the author:
Grade 5 Unit 6
Lesson 18: Compare Without Multiplying
CC BY 2021 Illustrative Mathematics®
Grade 5 Unit 6
Lesson 18: Compare Without Multiplying
CC BY 2021 Illustrative Mathematics®
Lesson: Compare Without Multiplying

Notice and Wonder: Expressions and Number Lines (Warm Up)

1.

What do you notice?

2.

What do you wonder?

Approximate Location

Label each expression at its approximate location on the number line.
3.

4.

5.

Choose a number to put in the box to make the statement true

6.

Choose a number to put in the box to make the statement true

7.

Choose a number to put in the box to make the statement true

An Unknown Number

8.

The number A is shown on the number line. Label the approximate location of the value of the expression. Explain or show your reasoning.

1/4 x A

9.

The number A is shown on the number line. Label the approximate location of the value of the expression. Explain or show your reasoning.

2 x A

10.

The number A is shown on the number line. Label the approximate location of the value of the expression. Explain or show your reasoning.

13/8 x A

11.

The number A is shown on the number line. Label the approximate location of the value of the expression. Explain or show your reasoning.

2/3 x A

12.
Is it less than, greater than, or equal to?

13/8 x 11/39__________11/39
13.

Explain or show your reasoning.

14.
Is it less than, greater than, or equal to?

2/3 x 17/53__________17/53
15.

Explain or show your reasoning.

Cool Down: Comparison Statements
The number N is shown on the number line.

16.

Locate 4/3 x N and label on the number line.

17.

Is 4/3 x N less than, equal to, or greater than N? Explain how you know.