Percent Increase/Decrease & 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.7.RP.A.3

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

• .375%
• .6%
• 37.5%
• 60%

Tags

CCSS.7.RP.A.3

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.7.RP.A.3

A microwave originally costs $96, but is marked up to a price of $115.20. What is the percent increase?

• 20% Increase
• 17% Increase
• 20% Decrease 
• 17% Decrease

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Ms. Brown estimated 70 students would try out for the Cross Country team. This year, only 63 students tried out. What was her percent error?

• 11%
• 50%
• 12%
• 1%

Tags

CCSS.6.RP.A.3C

Sally went to the clearance rack at a department store and found a shirt she wanted to buy.  The shirt was $36.00 and is on sale for $24.00.  What is the decrease in price?

• 33%
• 67%
• 50%
• 34%

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.3

A student has a container with a volume of 2.5 liters. She estimates the volume to be 2.4 liters. By what percent is the student's estimate off?

• 2%

• 4%

• 6%

• 8%

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.3

Jeyson predicts that 227 students would attend the school dance. The actual number was 250. What is the percent error of Jeyson's prediction?

• 9.2%

• 8.8%

• 7.1%

• 10.5%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Zed went to the store and bought a bag of chips.  He estimated there would be 350 chips in the package, but realized there were only 210 chips in that package.  What was his approximate percent error?

• 35%
• 67%
• 85%
• 92%

Tags

CCSS.7.RP.A.3

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.7.RP.A.3