- 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| / Actual Value) * 100
B) (Measured Value / Actual Value) * 100
C) (Measured Value - Actual Value) / Measured Value * 100
- 3. The odometer in Mr. Washingtonβs car does not work correctly. The odometer recorded ππ.π 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) 15%
B) 5%
C) 20%
D) 12%
- 4. Kaylaβs class went on a field trip to an aquarium. One tank had ππ clown fish. She miscounted the total number of clown fish in the tank and recorded it as ππ fish. What is Kaylaβs percent error?
A) 25%
B) 10%
C) 20%
D) 30%
- 5. The worldβs largest marathon, The New York City Marathon, is held on the first Sunday in November each year. Between π million and π.5 million spectators will line the streets to cheer on the marathon runners. At most, what is the percent error?
A) 15%
B) 30%
C) 10%
D) 25%
- 6. In a school library, 52% of the books are paperback. If there are π,π5π books in the library, how many of them are not paperback to the nearest whole number?
A) 1,276
B) 1,382
C) 1,524
D) 1,150
- 7. Shaniqua has 25% less money than her older sister Jennifer. If Shaniqua has $πππ, how much money does Jennifer have?
A) $240
B) $270
C) $200
D) $135
- 8. An item that was selling for $π,πππ is reduced to $πππ. To the nearest whole, what is the percent decrease?
A) 24%
B) 29%
C) 31%
D) 27%
- 9. If ππ 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) 60 calories
B) 80 calories
C) 45 calories
D) 75 calories
- 10. Who is man's best friend?
A) A cat
B) A horse
C) A snake
D) A dog
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