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WorksheetsPercent Error Practice
Total questions: 10
Worksheet time: 30mins
If Kayleen scored a 12/15 on her math quiz, what was her grade as a percentage?
0.8
80%
1.25%
180%
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%
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
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
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
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
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
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
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
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
