Percent of Change & Percent Error

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

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

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

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

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

• 20%
• -20%
• -16.7%
• 16.7%

Tags

CCSS.6.RP.A.3C

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

The first marking period, Ricky scored an 80 in math. The second marking period, Ricky's grade was an 86. What was the percent change?

• 7.5% increase
• 7.5% decrease
• 7% increase
• 7% decrease

Tags

CCSS.6.RP.A.3C

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.6.RP.A.3C

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.6.RP.A.3C

The attendance for the basketball game was estimated to be 15,000 people but 12,500 people attended. What was the percent error?

• 16.67%

• 20%

• 2500%

• 80%

Tags

CCSS.6.RP.A.3C