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Percent of Change & Percent of Error

Authored by Mandy LaMarca

Mathematics

7th Grade

15 Questions

CCSS covered

Used 12+ times

Percent of Change & Percent of Error
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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Ms Thomas bought some stock for $15 a share and sold it at $20 a share. Find the approximate percent of change in the price of the stock.

Increase of 33.3%
Increase of 30%
Decrease of 33.3%
Decrease of 30%

Tags

CCSS.6.RP.A.3C

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Lacey bought a new purse that originally cost $25 and is on sale for $15. Find the percent of change in the price in the purse.

Decrease of 40%
Decrease of 10%
Decrease of 30%
Decrease of 20%

Tags

CCSS.6.RP.A.3C

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jose started doing extra chores around the house and his allowance changed from $30 per week to $40 per week. What is the approximate percent of change in Jose's allowance?

Increase of 33.3%
Increase of 25%
Increase of 30.3%
Increase of 38%

Tags

CCSS.6.RP.A.3C

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Wal Mart sold 100 CD's during the month of October and only 60 during the month of November. Find the percent of decrease in the amount of CD's sold during the last 2 months.

40%
66.7%
35%
63.3%

Tags

CCSS.6.RP.A.3C

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Mrs. Banks bought a car for $25,000 and sold it 5 years later for $16,000. Find the percent decrease for the price of the car.

36%
9%
34%
26%

Tags

CCSS.6.RP.A.3C

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jason had a salary change from $150 a week to $175 a week. What is the approximate percent increase of his salary?

16.7%
18.6%
14.7%
20.6%

Tags

CCSS.6.RP.A.3C

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The students measured length during a science experiment, they got 12 cm. But the actual measurement was 14.25 cm. What was the approximate percent error?

15.79%
18.75%
2.25%
18%

Tags

CCSS.6.RP.A.3C

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