Percent Error Practice

If Kayleen scored a 12/15 on her math quiz, what was her grade as a percentage?

• 0.8

• 80%

• 1.25%

• 180%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Daniel earned extra credit on a science project. His score was a 12/10. What was his score as a percentage?

• 120%

• 1.2%

• 83.33%

• 100%

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.3

A breakfast costs $18.00. There is a 7% tax. What is the total cost of the breakfast (in dollars)?

• $1.26

• $16.74

• $19.26

• $126.00

Tags

CCSS.6.RP.A.3C

Lunch costs $25.50. You want to leave a 20% tip. What is the total cost of the lunch after the tip (in dollars)?

• $30.60

• $510.00

• $20.40

• $5.10

Tags

CCSS.6.RP.A.3C

There is a 15% discount on a pair of socks that cost $6.40. What is the price of the socks after the discount (in dollars)?

• $7.36

• $0.96

• $960.00

• $5.44

Tags

CCSS.6.RP.A.3C

Jessie estimates the weight of her cat to be 10 pounds. Her cat actually weighs 13.75 pounds. Find the percent error.

• 72.72% error

• 1.38% error

• 37.5% error

• 27.27% error

Tags

CCSS.6.RP.A.3C

Jackson estimates that a new video game will cost $35. The game actually costs $31. Find the percent error in his guess.

• 12.90% error

• 112.90% error

• 88.57% error

• 11.43% error

Tags

CCSS.6.RP.A.3C

Madelyn estimates that she can run a mile in 8.5 minutes. Her actual time that was recorded was 7.9 minutes. Find the percent error.

• 7.59% error

• 7.06% error

• 107.59% error

• 92.94% error

Tags

CCSS.6.RP.A.3C

Deb estimates that it will take her 3 hours to write her book report. It actually takes her 5 hours. What is her percent error?

• 60% error

• 40% error

• 66.67% error

• 166.67% error

Tags

CCSS.6.RP.A.3C

Carlos guesses there are 215 jelly beans in a jar. There are actually 200 jelly beans in the jar. What is his percent error in his guess?

• 93.02% error

• 107.5% error

• 7.5% error

• 69.77% error

Tags

CCSS.6.RP.A.3C