Estimating and Rounding

Pretest Questions

Try this pre-test before you look at the tutorial. You may take this pre-test as many times as you like. Good Luck!

1. Round 1063 to the nearest 10

a. 1100
b. 1000
c. 1060
d. 1070

2. Round 2348 to the nearest 100

a. 2000
b. 2300
c. 2400
d. 2350

3. Round 65,575 to the nearest thousand

a. 67,000
b. 64,000
c. 66,000
d. 65,000

4. You find that you have a grade point average of 89.7633333. What will you get on your report card?
a. 90
b. 89
c. 88
d. 91

5. Round 93.2 to the nearest whole number

a. 92
b.93
c. 94
d. 95

6. Round 65.5 to the nearest whole number
a. 64
b. 65
c. 67
d. 66

7. Which of these are good times for estimating?
a. When you tip a waiter
b. When figuring gas mileage
c. both of these
d. none of these

8. A good way to estimate sums and differences is to round
a. True
b. False

9. If you wanted to estimate the sum of 12,389 + 5,280 + 6,297, you could simply add the two digits onthe right of each number.
a. True
b. False

10. If you were going to estmate the answer to 4,235 - 3,076, you could round tot he nearest hundredth and estimate the answer. This answer would be
a. 1,024
b. 1,200
c. 1,177
d. 1,300