Real-Life Percent Error Quiz

A baker is making a cake and needs exactly 500 grams of flour. However, after measuring, she realizes she has used 510 grams. What is the percent error in the amount of flour used?

• 1%

• 2%

• 5%

• 10%

Tags

CCSS.6.RP.A.3C

A construction worker measures a board as 20 feet long, but the actual length of the board is 19.5 feet. What is the percent error of the measurement?

• 2.5%

• 2.56%

• 3%

• 5%

Tags

CCSS.6.RP.A.3C

A student estimated that a car traveled 150 miles, but the car actually traveled 145 miles. What is the percent error of the student's estimate?

• 3.33%

• 3.45%

• 3.5%

• 4%

Tags

CCSS.6.RP.A.3C

A recipe calls for 2 liters of water, but a chef accidentally uses 2.1 liters. What is the percent error in the amount of water used?

• 4%

• 5%

• 5.5%

• 5.1%

Tags

CCSS.6.RP.A.3C

A scientist records the temperature as 75°F, but the actual temperature is 78°F. What is the percent error of the scientist's measurement?

• 3.85%

• 4%

• 4.5%

• 3.84%

Tags

CCSS.6.RP.A.3C

A map indicates that the distance between two towns is 50 miles, but when measured accurately, the distance is actually 52 miles. What is the percent error?

• 3.85%

• 4%

• 4.5%

• 4.3%

Tags

CCSS.6.RP.A.3C

A grocery store's scale reads 1.05 kg for a bag of apples, but the actual weight is 1 kg. What is the percent error of the scale's reading?

• 5%

• 4.5%

• 5.5%

• 5%

Tags

CCSS.6.RP.A.3C

A student estimated the height of a building to be 200 feet, but the actual height was 210 feet. What is the percent error of the student's estimate?

• 4.76%

• 5%

• 5.5%

• 5.1%

Tags

CCSS.6.RP.A.3C

A clock was set to be 5 minutes fast, but it was actually 7 minutes fast. What is the percent error in setting the clock?

• 28.57%

• 40%

• 42%

• 40%

Tags

CCSS.6.RP.A.3C

A person estimated their commute time to be 30 minutes, but it actually took 28 minutes. What is the percent error of their estimate?

• 6.67%

• 7%

• 7.14%

• 7.2%

Tags

CCSS.6.RP.A.3C