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Percent Change and Error

Authored by Anthony Clark

Mathematics

7th Grade

CCSS covered

Percent Change and Error
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mary currently weighs 150 pounds. Before her diet she, weighed 180 pounds. What is the percent of change in her weight?

17% Decrease

17% Increase

20% Increase

20% Decrease

Tags

CCSS.6.RP.A.3C

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A school's population increased from 1250 to 2000 students. What was the percent of increase?

.375%

6%

37.5%

60%

Tags

CCSS.6.RP.A.3C

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Last week, the price of American cheese was $5 per pound. This week, it costs $6 per pound. What is the percent change? 

Increase 20%

Decrease 20%

Increase $1

Decrease $1

Tags

CCSS.6.RP.A.3C

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An online auction started the bid on an item at $20. The item sold for $50. What was the percent increase to the nearest percent?

150%

15%

60%

17%

Tags

CCSS.6.RP.A.3C

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

You guessed that there were 256 gumballs in the jar. There were actually 510. Find your percent error. Round to the nearest tenth if necessary.

49.8%

49.9%

50.2%

50.3%

Tags

CCSS.6.RP.A.3C

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

You estimate that 200 people attend a school concert. The actual attendance was 240.   What is the percent error?

20%

18%

16%

17%

Tags

CCSS.6.RP.A.3C

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In 1999, the price of unleaded fuel was $1.09.  In 2015, the price of unleaded fuel is $1.89.  What is the percent change?

173% increase

73% increase

73% decrease

27% increase

Tags

CCSS.6.RP.A.3C

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