Percent error Quiz

Name: ______________________   Date: __________   Score: ____ / 10

10 questions. No calculator. Show your working. steplyclass.com/foundations/percent-error/quiz/

1. 1

   Estimate 50, actual 40, percent error
   1. A) 20%
   2. B) 25%
   3. C) 0.25%
   4. D) 10%

2. 2

   Estimate 12, actual 10, percent error

   Answer: ____________________

3. 3

   Estimate 90, actual 100, percent error
   1. A) 0.1%
   2. B) 11110%
   3. C) 10%
   4. D) 100%

4. 4

   Guess 33, actual 30, percent error

   Answer: ____________________

5. 5

   Estimate 23, actual 30, percent error
   1. A) 7%
   2. B) 0.233%
   3. C) 30.4%
   4. D) 23.3%

6. 6

   Measured 4.8 m, actual 5 m, percent error

   Answer: ____________________

7. 7

   Guess 70, actual 90, percent error
   1. A) 22.2%
   2. B) 28.6%
   3. C) 20%
   4. D) 0.222%

8. 8

   Estimate 1,100, actual 1,000, percent error

   Answer: ____________________

9. 9

   Omar estimated 48 people. There were 64. What is the percent error?
   1. A) 25%
   2. B) 16%
   3. C) 0.25%
   4. D) 33310%

10. 10

    Sam guessed $15. It was $12. What is his percent error?

    Answer: ____________________