Find Percent Error Problems

8 questions

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#1 of 8: Mild

Find percent error

Scarlett is packing to go on vacation. She estimates that she can fit 18 shirts in her suitcase, however, only 15 will fit in. What is the percent error in Scarlett"s estimate?

#2 of 8: Medium

Find percent error

Martha estimated that the distance across the pond in her backyard is 45 yards. The actual distance is 48 yards. What was the percent error in Martha"s estimate?

#3 of 8: Medium

Find percent error

Monica estimated that the number of pages in a novel she is reading is 565. The novel actually has 580 pages. What is the percent error in Monica"s estimate?

#4 of 8: Medium

Find percent error

John estimates that it will take him 18 hours to drive to Seattle. He actually finishes his trip to Seattle in 16 hours. What is the percent of error in John"s estimate?

#5 of 8: Medium

Find percent error

Ashley measured a line to be 6.1 inches long. If the actual length of the line is 6.2 inches, what was the percent error of the measurement? Round to the nearest tenth of a percent.

#6 of 8: Spicy

Find percent error

Marina thought that the cost of renting a canoe for the day at a park was $100. The actual rental fee for the canoe is $125. What is the percent error in Marina"s estimate?

#7 of 8: Spicy

Find percent error

A radar gun measured the speed of a car at 80 miles per hour. If the car was actually going 78.5 miles per hour, what was the percent error in the radar gun"s measurement?

#8 of 8: Spicy

Find percent error

Leah estimates that the total expenses for her birthday party will be $680. After the party, the party planner gives her a bill for $665.40. What is the percent error in Leah"s estimation of the expenses?

Finding percent error problems helps students to understand the impact of measurement error on the overall result. This is important because in many fields, small measurement errors can have a large impact on the final result.

In short, solving percent error problems is an important skill to have because it allows students to understand and analyze the accuracy of measurements and predictions, make informed decisions, develop critical thinking skills and ...

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Grade 7

Percents

7.RP.A.3