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Unit 6 - Lesson 18 - Grade 5: Illustrative Mathematics

Last updated 9 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?

1

What do you wonder?

Approximate Location

Label each expression at its approximate location on the number line.
1

1

1

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

1

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

1

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

An Unknown Number

1

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

1

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

1

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

1

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

1
Is it less than, greater than, or equal to?

13/8 x 11/39__________11/39
1

Explain or show your reasoning.

1
Is it less than, greater than, or equal to?

2/3 x 17/53__________17/53
1

Explain or show your reasoning.

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

1

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

1

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