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IM K-5 Math
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6-8 Grade 7 Unit 4 Lesson 6

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K-5 Math •6-8 Math 9-12 Math

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Grade 6 •Grade 7 Grade 8

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

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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

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Accelerated 7

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Unit 4
Unit 5
Unit 6
Unit 7
Unit 8
Unit 9

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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

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Unit 4, Lesson 6

Increasing and Decreasing

Grade 7

Practice

Problem 1
Student Task Statement
For each diagram, decide if is an increase or a decrease relative to . Then determine the percent increase or decrease.

A

B

Lesson 6 Resources

Student Materials Student Materials in Spanish

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Problem 2

Student Task Statement

Draw diagrams to represent the following situations.

The amount of flour that a bakery used this month was a 50% increase relative to last month.
The amount of milk that a bakery used this month was a 75% decrease relative to last month.

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Problem 3

Student Task Statement

Write each percent increase or decrease as a percentage of the initial amount. The first one is done for you.

This year, there was 40% more snow than last year.

The amount of snow this year is 140% of the amount of snow last year.
This year, there were 25% fewer sunny days than last year.
Compared to last month, there was a 50% increase in the number of houses sold this month.
The runner’s time to complete the marathon was a 10% less than the time to complete the last marathon.

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Problem 4

ForLesson 3: Exploring Circumference

Student Task Statement

The graph shows the relationship between the diameter and the circumference of a circle with the point shown. Find 3 more points that are on the line.

A graph of a line in the coordinate plane with the origin labeled O.

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Problem 5

ForLesson 4: More than That, Less than That

Student Task Statement

Priya bought grams of beads. Clare bought more than that. Select all the equations that represent the relationship between the amount of beads that Priya bought, , and the amount of beads that Clare bought, .

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