PARCC Averages and Rounding 3 — Questions and Answers
Question 1: Four friends earned $15, $20, $25, and $40. What is the mean amount earned?
- $25 (Correct answer)
- $22
- $30
- $24
Correct answer: $25
The total $100 divided by 4 equals $25.
Question 2: Round 12.95 to the nearest whole number.
- 12
- 13 (Correct answer)
- 12.9
- 14
Correct answer: 13
The tenths digit is 9, so the whole number rounds up to 13.
Question 3: The average of three numbers is 20. Two of them are 18 and 22. What is the third?
- 18
- 20 (Correct answer)
- 22
- 24
Correct answer: 20
The total must be 60, and 60 minus 40 leaves 20.
Question 4: Round 89,500 to the nearest ten thousand.
- 80,000
- 90,000 (Correct answer)
- 89,000
- 100,000
Correct answer: 90,000
The thousands digit is 9, so round up to 90,000.
Question 5: A car travels 60, 70, and 80 miles on three days. What is the average daily distance?
- 65 miles
- 70 miles (Correct answer)
- 75 miles
- 210 miles
Correct answer: 70 miles
The total 210 divided by 3 equals 70.
Question 6: Round 0.0648 to the nearest hundredth.
- 0.06 (Correct answer)
- 0.07
- 0.065
- 0.1
Correct answer: 0.06
The thousandths digit is 4, so the hundredths place stays at 0.06.
Question 7: What is the mean of 0, 10, 20, and 30?
- 12
- 15 (Correct answer)
- 18
- 20
Correct answer: 15
The sum 60 divided by 4 equals 15.
Four friends earned $15, $20, $25, and $40.
What is the mean amount earned?