Percent Error Lesson

Percent Error

Lesson 8

Multiple Choice

Mr. Boone estimates that it will take him 48 minutes to run 8 miles. It actually takes him 60 minutes. What was his percent error?

• 20%

• 12%

• 25%

• 8%

Multiple Choice

Ms. Meckley estimated 70 students would try out for the Cross Country team. This year, only 63 students tried out. What was her percent error?

• 11%

• 50%

• 12%

• 1%

Multiple Choice

An archaeologist estimated that a fossil was 520 years old. It was actually 500 years old. What was the percent error?

• 4%
• 20%
• 3.8%
• none of these

Multiple Choice

Find the percent error. Round to the nearest tenth of a percent.

Actual speed: 38 mph

Estimated speed: 35 mph

• 8.1%

• 0.79%

• 7.9%

• 6.8%

Multiple Choice

Ms. Daniels estimates that there will be 230 people who attend the concert. There was an actual total of 300 people who attended. Find the approximate percent error.

• 23%

• 33%

• 27%

• 37%

Multiple Choice

Jill estimates the weight of her cat to be 8 pounds. The actual weight of the cat was 10 pounds. Find the percent error.

• 15%

• 20%

• 25%

• 30%