Percent change & percent error

Find the percent change.
Original amount:  10
New amount: 12

• 20%
• 12%
• 15%
• 50%

Tags

CCSS.6.RP.A.3C

Find each percent decrease. Round to the nearest percent.
From $80 to $64 

• 35%
• 10%
• 20%
• 25%

Tags

CCSS.6.RP.A.3C

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter? 

• 35%
• 25%
• 30%
• 20%

Tags

CCSS.6.RP.A.3C

The number of people signed up for a bus trip increased from 32 to 45. What is the percent increase? Round to the nearest percent.

• 52%
• 41%
• 42%
• 45%

Tags

CCSS.6.RP.A.3C

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?

• 24%
• 20%
• 11%
• 50%

Tags

CCSS.6.RP.A.3C

Tickets to Disney World are $100.The price is going to increase on January 1. What is the percent of change if the cost increases to a $120?

• 25%
• 18%
• 20%
• 50%

Tags

CCSS.6.RP.A.3C

Last week, you finished level 2 of a video game in 32 minutes. Today, you finished level 2 in 28 minutes. What is your percent of change?

• Increase 12.5%
• Decrease 12.5%
• Increase 4%
• Decrease 4%

Tags

CCSS.6.RP.A.3C

One week, 72 people got a speeding ticket. The next week, only 36 people got a speeding ticket. What is the percent of change in the speeding tickets?

• Increase 50%
• Decrease 50%
• Increase 1%
• Decrease 1%

Tags

CCSS.6.RP.A.3C

A group of wildlife conservationists are trying to determine what is causing a recent decrease in the number of white-tail deer in a particular area. Two years ago, they estimated the population to be 680. Recently, the population was estimated to be 410. Which is closest to the percent of change in the white-tail deer population?

• 40%

• 66%

• 270%

• 54%

Tags

CCSS.6.RP.A.3C

Mr. Sheridan estimates it will take him 48 minutes to run 8 miles. It actually takes him 60 minutes. What was the percent error in his estimation?

• 8%

• 12%

• 20%

• 25%

• 80%

Tags

CCSS.6.RP.A.3C