percent change and error

Ms. Noble is buying a pair of shoes that originally cost $110. They are now on sale for $77.00. What was the percent change?

• 30%

• $33

• 43%

Tags

CCSS.6.RP.A.3C

Find the percent error:

Approximate (guess): 7 puppies

Exact: 5 puppies

• 40%

• 28.6%

• OMG Ms. Noble is talking about dogs AGAIN.

• 2 puppies

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

An archaeologist estimated that a fossil was 520 years old. It was actually 500 years old. What was the percent error?

• 4%
• 20%
• 3.8%
• none of these

Tags

CCSS.7.RP.A.3

Mr. Nacerino estimates that it will take him 48 minutes to run 8 miles. It actually takes him 60 minutes. What was his percent error?

• 20%
• 12%
• 25%
• 8%

Tags

CCSS.6.RP.A.3C

The temperature in one day goes from 10^o to 15^o. What is the percent change?

• 50% increase
• 50% decrease
• 33% increase
• 33% decrease

Tags

CCSS.6.RP.A.3C

Find the PERCENT of Change.
The original cost was $50 and the new cost is $60. 

• Increase 20%
• Increase 16.67%
• Increase $10
• Decrease $10

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