7G Eureka Module 4 Lessons 8 & 9 Problems
  • 1. The absolute error is defined as:
A) |x - a|
B) |a - x|
C) a - x
D) x - a
  • 2. The percent error is define as:
A) (Measured Value / Actual Value) * 100
B) (Measured Value - Actual Value) / Measured Value * 100
C) (|Measured Value - Actual Value| / Actual Value) * 100
  • 3. The odometer in Mr. Washington’s car does not work correctly. The odometer recorded πŸπŸ‘.𝟐 miles for his last trip to the hardware store, but he knows the distance traveled is 15 miles. What is the percent error? Use a calculator and the percent error formula to help find the answer.
A) 20%
B) 12%
C) 5%
D) 15%
  • 4. Kayla’s class went on a field trip to an aquarium. One tank had πŸ‘πŸŽ clown fish. She miscounted the total number of clown fish in the tank and recorded it as πŸπŸ’ fish. What is Kayla’s percent error?
A) 25%
B) 10%
C) 20%
D) 30%
  • 5. The world’s largest marathon, The New York City Marathon, is held on the first Sunday in November each year. Between 𝟐 million and 𝟐.5 million spectators will line the streets to cheer on the marathon runners. At most, what is the percent error?
A) 15%
B) 25%
C) 10%
D) 30%
  • 6. An item that was selling for $𝟏,𝟏𝟎𝟐 is reduced to $πŸ–πŸŽπŸ”. To the nearest whole, what is the percent decrease?
A) 24%
B) 27%
C) 29%
D) 31%
  • 7. If πŸ”πŸŽ calories from fat is 75% of the total number of calories in a bag of chips, find the total number of calories in the bag of chips.
A) 45 calories
B) 80 calories
C) 60 calories
D) 75 calories
  • 8. What is 150% of πŸ”25?
A) 875
B) 1000
C) 781.25
D) 937.5
  • 9. 90 is 40% of what number?
A) 150
B) 360
C) 225
D) 450
  • 10. What percent of 520 is 40? Round to the nearest hundredth of a percent.
A) 8.13%
B) 15.20%
C) 7.69%
D) 13.00%
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