Percent of Change and Percent of Error

The price of a pair of shoes decreases from $45 to $40. What is the approximate percentage of decrease?

• 1%

• 11%

• 13%

• 5%

Tags

CCSS.6.RP.A.3C

The price of a video game is decreased from $150 to $120. By what percent is the price decreased?

• 20%

• 25%

• 30%

• 80%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The value of a stock increased from $750 to $795. By which percentage did the stock value increase?

• 94.3%

• 45%

• 6%

• 5.7%

Tags

CCSS.6.RP.A.3C

Samantha guessed that there were 180 pieces of candy in a jar. There were actually 220 pieces of candy in the jar. What is her approximate percent error?

• 18%

• 22%

• 40%

Tags

CCSS.6.RP.A.3C

Chris weighed an object and found its mass to be 225 grams. The object's actual mass is 250 grams. What was Chris's percent of error?

• 25%

• 11%

• 10%

Tags

CCSS.6.RP.A.3C

A printer that normally sells for $125 is on sale for $90. By what percent has the price of the printer been reduced?

• 28%

• 35%

• 30%

• 72%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Tommy measured the width of the space he has in his kitchen to fit a new refrigerator at 37 inches. The actual width is 36 inches. What is the approximate percent error?

• 0.3%

• 1.0%

• 2.8%

• 3.6%

Tags

CCSS.6.RP.A.3C

Talia's weekly pay increased from $80 to $100. What is the percent of increase in Talia's weekly pay?

• 40%

• 25%

• 20%

• 10%

Tags

CCSS.6.RP.A.3C

Mrs. Reese had a salary of $48,000 last year. This year she her salary is $49,920. What is the percent increase in Mrs. Reese's salary?

• 2%

• 3%

• 4%

• 5%

Tags

CCSS.6.RP.A.3C

Karen measured her height as 147 cm. Karen’s actual height is 142 cm. What is the approximate percent error of Karen’s measurement?

• 0.34%

• 0.50%

• 3.4%

• 5%

Tags

CCSS.6.RP.A.3C