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Department of Mathematics, Rockville Campus  

Prealgebra Practice Placement Exam

1. Which of the following represents 35 million?

0.000035
35,000
35,000,000
35,000,000,000
Do not remember

2. 7800 ÷ 11 =

79 r 1
790 r 1
790 r 10
709 r 1
Do not remember

3. 30 - 23 · 3 =

66
6
12
72
Do not remember

4. Which of the following is a prime number?

61
62
63
65
Do not remember

5. A woman drove an average speed of 50 miles/hour for 2 hours. Then, she stopped for 1 hour to eat lunch. Finally, she drove at an average speed for 40 mi/hr for 5 hours. How many miles did she drive all together?

33 miles
300 miles
97 miles
360 miles
Do not remember

6. 0.15 × 0.02 =

0.3
0.03
0.003
0.0003
Do not remember

7. 0.6 ÷ 0.02 =

30
3
0.3
0.03
Do not remember

8. Round 34.7231 to the nearest hundredth.

35
34.72
34.7
34.723
Do not remember

9. -3 + (-4) =

7
-7
-1
1
Do not remember

10. -20 ÷ 5 =

-4
4
1/4
-1/4
Do not remember

11. -2 - 5 =

7
-3
3
-7
Do not remember

12. Find 50% of 12

24
60
600
6
Do not remember

13. A man earns $10 per hour at his job. The boss gives him a 30% raise. What is his new salary per hour?

$3
$13
$10.30
$40
Do not remember

14. Change 5 1/4 to a fraction.

5/2
21/1
21/4
51/4
Do not remember

15. 7/8 - 1/4

3/2
5/8
3/4
9/8
Do not remember

16. 3/5 ÷ 1/2 =

6/5
5/6
3
3/10
Do not remember

17. A rectangular key on a computer keyboard is 5/8 in long and 1/2 in. wide. What is the area of the key in square inches?

9/4
5/8
3/5
5/16
Do not remember

18. Solve x + 5 = 2

x = 7
x = 3
x = -3
x = -7
Do not remember

19. Collect like terms 8x - 5 + 2 - x

7x - 7
9x - 7
9x - 3
7x - 3
Do not remember

20. Solve -4x + 2 = 10 for x

x = -3
x = -2
x = 10
x = 12
Do not remember