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6-8 Accelerated 7 Unit 3 Lesson 1

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K-5 Math •6-8 Math 9-12 Math

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Accelerated 6 •Accelerated 7

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Unit 1 Unit 2 •Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8 Unit 9

Lesson

•Lesson 1 Lesson 2 Lesson 3 Lesson 4 Lesson 5 Lesson 6 Lesson 7 Lesson 8 Lesson 9 Lesson 10 Lesson 11 Lesson 12 Lesson 13 Lesson 14 Lesson 15 Lesson 16 Lesson 17 Lesson 18

K-5
6-8
9-12

Accelerated 6
Accelerated 7

Grade 6
Grade 7
Grade 8

Unit 1
Unit 2
Unit 3
Unit 4
Unit 5
Unit 6
Unit 7
Unit 8
Unit 9

Lesson 1
Lesson 2
Lesson 3
Lesson 4
Lesson 5
Lesson 6
Lesson 7
Lesson 8
Lesson 9
Lesson 10
Lesson 11
Lesson 12
Lesson 13
Lesson 14
Lesson 15
Lesson 16
Lesson 17
Lesson 18

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Curriculum

IM K-5 Math
IM 6-8 Math
IM 9-12 Math

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IM® 6-8 Math v.360, an IM v.360 curriculum, is ©2024 by Illustrative Mathematics®, and licensed under the Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).

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Adaptations to add additional English language learner supports are ©2019 by Open Up Resources, and are licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0).

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Unit 3, Lesson 1

Relationships between Quantities

Accelerated 7

Practice

Problem 1

A sandwich store charges \$20 to have 3 turkey subs delivered and \$26 to have 4 delivered.

Is the relationship between the number of turkey subs delivered and the amount charged proportional? Explain how you know.
How much does the store charge to deliver 1 additional turkey sub?
Describe a rule for determining how much the store charges based on the number of turkey subs delivered.

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Problem 2

Lesson 1 Resources

Student Materials

Which question cannot be answered by the solution to the equation \(3x=27\)?

Elena read 3 times as many pages as Noah. She read 27 pages. How many pages did Noah read?
Lin has 27 stickers. She gives 3 stickers to each of her friends. With how many friends did Lin share her stickers?
Diego paid \$27 to have 3 pizzas delivered and \$35 to have 4 pizzas delivered. What is the price of one pizza?
A team has 27 players, and 10 of them are in sixth grade. The coach splits all the players into 3 groups to practice skills. How many students are in each group?

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Problem 3

ForLesson 2: Scale Factors and Making Scaled Copies

Suppose Quadrilaterals A and B are both squares. Are A and B necessarily scaled copies of one another? Explain.

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Problem 4

ForLesson 3: Making the Moves

Each picture shows two polygons, one labeled Polygon A and one labeled Polygon B. Describe how to move Polygon A into the position of Polygon B using a transformation.

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