Percent Change & Error

Mrs. Tagliaferro 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

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.6.RP.A.3C

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 you sent 135 texts last week, but when you get the bill it was actually 108. What was your percent error?

• 20%
• 25%
• -20%
• -25%

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

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.6.RP.A.3C