Percent Change and Percent Error

Find the percent of change. Round to the nearest tenth of a percent.

From 53 words to 62 words

• 14.5% increase

• 16.9% increase

• 17.0% increase

• 85% increase

Tags

CCSS.7.RP.A.3

Find the percent of change. Round to the nearest tenth of a percent.

From $18.50 to $22.10

• 19.5% increase

• 16.3%

• 16.2%

• 19.6%

Tags

CCSS.7.RP.A.3

Find the percent error. Round to the nearest tenth of a percent.

Actual speed: 38 mph

Estimated speed: 35 mph

• 8.1%

• 0.79%

• 7.9%

• 6.8%

Tags

CCSS.7.RP.A.3

Find the percent error. Round to the nearest tenth of a percent.

Estimated length: 32 in.

Actual length: 54 in.

• 27.4%

• 70.4%

• 41.8%

• 40.7%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

During May, Javier swims 80 laps each weekday. During June he swims 60 laps each weekday. What is the percent of change from May to June? Is it an increase or decrease?

• 25% increase

• 25% decrease

• 75% increase

• 75% decrease

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Alex buys an antique car for $45,800, restores it, and then sells it for $61,830. Find the percent of change. Is it an increase or a decrease?

• 35% increase

• 35% decrease

• 65% increase

• 65% decrease

Tags

CCSS.7.RP.A.3

Fifty-two of 80 marbles are red. What percent of the marbles are red?

• 56%

• 65%

• 66%

• 75%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Of 120 owners of reptiles surveyed, 27 own snakes as pets. What percent of the reptile owners own snakes as pets?

• 35%

• 25%

• 24.5%

• 22.5%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A study reported that 15% of toddlers have food allergies. If 14,500 parents of toddlers were polled, how many parents made this claim?

• 2245 parents

• 2175 parents

• 2022 parents

• 1775 parents

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Of the 125 songs on Brad’s playlist, 18 were recorded in the 1980s. Eighteen is what percent of 125?

• 14.4%

• 84.5%

• 12.4%

• 34.3%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3