Math Error Percent

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.7.EE.B.3

CCSS.7.RP.A.3

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.7.EE.B.3

CCSS.7.RP.A.3

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.7.RP.A.2

CCSS.7.RP.A.3

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.7.RP.A.2

CCSS.7.RP.A.3

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.7.RP.A.3