Percent Error

You estimate that 200 people attend a school concert. The actual attendance was 240. What is the percent error?

• 40/200 = 20%

• -40/200 = -20%

• -40/240 = -16.6%

• 40/240 = 16.6%

Tags

CCSS.6.RP.A.3C

You guess that Lebron James would score 35 points during the game. He actually scored 28. Find your percent error.

• 30%
• 33%
• 75%
• 25%

Tags

CCSS.6.RP.A.3C

You guessed that there were 256 gumballs in the jar. There were actually 510. Find your percent error. Round to the nearest tenth if necessary.

• 49.8%
• 49.9%
• 50.2%
• 50.3%

Tags

CCSS.6.RP.A.3C

You guessed that the Chicago Cubs would win 95 games during the regular season. They actually won 103. What was your percent error? Round to the nearest tenth if necessary.

• 7.8%
• 7.7%
• 0.77%
• 0.78%

Tags

CCSS.6.RP.A.3C

Find the percent error. You estimate that you sent 135 texts last week but when you get the bill it was actually 108. 

• (135 - 108)/135 = 20%
• (135 - 108)/108 = 25%
• (108 - 135)/135 = -20%
• (108 - 135)/108 = -25%

Tags

CCSS.6.RP.A.3C

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

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%

Lacey bought a new purse that originally cost $25 and is on sale for $15. Find the percent of change in the price in the purse.

• Decrease of 40%
• Decrease of 10%
• Decrease of 30%
• Decrease of 20%

Tags

CCSS.6.RP.A.3C