FA #3: Percent Error

Students will find the percent of error. 1. Jake estimated a tree to be 80 inches tall and it is actually 92 inches tall. What is his percent of error?

• 13%

• 86%

• 11%

• 56%

Anjay wasn't sure about an answer on his Science Test. He guessed 84 degrees was the answer and the correct answer was 94 degrees. What is his percent of error? Round to the nearest whole number.

• 89%

• 12%

• 11%

• 13%

Your teacher estimated that 74 students did their homework and only 60 of them had. What was your teacher's percent of error?

• 19%

• 23%

• 14%

• 81%

Mia is getting married. She estimates that she will have 150 guests at her wedding. The day of her wedding the caterer told her there were 142 people in attendance. What is her percent error? Round to the nearest whole number.

Mathematical Equivalence

ON

Answer explanation

6%

Bob hadn't weighed himself in awhile. He estimated he weighed 122 pounds but when he got on the scale, his weight was 138 pounds. What is Bob's percent of error to nearest whole number?

Mathematical Equivalence

ON

Answer explanation

12%

After a stressful day, you go home to take a nap. You estimated you slept for 20 minutes but your Mom told you you slept for 45 minutes. What is your percent of error?

Mathematical Equivalence

ON

Answer explanation

56%

Tyler thought the new iPad would cost $259, but it was actually $299. What is Tyler's percent of Error? Round to the nearest whole number.

Mathematical Equivalence

ON

Sara thought she had 1 cup of sugar but she only had a 1/2 cup. What is Sara's percent of error?

• 0%

• 100%

• 50%

• 1/2%

James measured the length of the field to be 34 meters but it was ACTUALLY 37 meters

• 8%

• 92%

• 9%

• 89%

Jillian calculates that it will take her 95 minutes to run 7 miles. She runs the distance in 80 minutes. What is Jillian’s percent of error? Round to the nearest whole number.

• 19%

• 17%

• 16%

• 15%