1. Find the value of the expression: 81÷ (12-3) * 6
A) 108
B) 2
C) 54
D) 36

2. Find the value of the expression: 4 x 5 - 16 ÷ 4
A) 16
B) 1
C) 20
D) 4

3. Write the decimal as a mixed number in simplest form: 24.4
A) 24 2/5
B) 24 3/10
C) 22 4/11
D) 2/3

4. Write the mixed number as a decimal. 15 5/6
A) 6.78915258315945
B) 15.0833333333...
C) 15.8333333.....
D) 13.31

5. Add or subtract. Write the answer in simplest form. 7 - 1 3/10
A) 8 3/10
B) 6 3/10
C) 5 7/10
D) 5 1/2

6. Rewrite the expression using the Distributive Property. Then evaluate the expression. 6 x (24+3.2)
A) (6 x 24) x (6 x 3.2) = 2764.80
B) (6 x 24) + (6 x 3.2) = 163.2
C) (6 + 24) x (6 +3.2) = 39.20
D) (6 + 24) + (6 + 3.2) =

7. Write the ratio as a unit rate. 5 Kit Kats for $2.00
A) $0.10 per Kit Kat
B) $2.00 per Kit Kat
C) $10.00 per Kit Kat
D) $0.40 per Kit Kat

8. Write the ratio as a unit rate. 8 books in 4 days
A) 4 books per day
B) 8 books per day
C) 2 books per day
D) 4 books per 2 days

9. Solve the proportion. Round to the nearest hundredth if necessary. 24/x = 8/9
A) 16.9
B) 27
C) 36
D) 9

10. Crystal created a model of her bedroom. the width of the model's doorway is 1.5 inches. What is the actual width of a window if the scale is 1 inch = 1.5 feet?
A) 1 foot
B) 1.5 feet
C) 2.25 feet
D) 1.5 inches

11. Write the percent as a fraction in simplest form. 120%
A) 1 1/5
B) 50/61
C) 120/100
D) 12

12. Write the fraction as a percent. 3/10
A) 3%
B) 30%
C) .3%
D) 40%

13. Express the percent as a decimal. 42.3%
A) .423
B) 42.3
C) 0.0423
D) 4.23

14. Express the decimal as a percent. 0.68
A) 68%
B) 6.8%
C) 0.0068%
D) 0.068%

15. Solve. 200% of 30
A) 60
B) 235
C) 350
D) 120

16. Estimate. 27% of 52
A) 15
B) 81
C) 11
D) 14

17. Estimate. 42% of 98
A) 40
B) 34
C) 51
D) 100

18. Estimate. Three friends share a cab. The far comes to $11.55. About how much does each person need to pay?
A) a little less than $4.00
B) a little more than $4.00
C) a little less than $3.00
D) a little more than $3.00

19. Solve. Order the integeres {-3, -18, 14, 12.8, 8} from least to greatest.
A) {-18, -3, 8, 12.8, 14}
B) {-3, -18, 8, 12.8, 14}
C) {14, 12.8, 8, -3, -18}
D) {8, -3, -18, 12.8, 14}

20. Solve. In 1990, the cost of an MP3 player was $200. In 2000, the cost was $50. What is the percent of change in the cost of an MP3 player?
A) 75%
B) 25%
C) 14%
D) 34%

21. Choose the answer taht is equivalent to the given number. 1/1000
A) 10^-3
B) (1/10)^-3
C) (-10)^3
D) 1/10^-3

22. Choose the answer that is equivalent to the given expression. √144
A) 72
B) 11
C) 12
D) 13

23. Choose the answer taht is equivalent to the given expression. 3^-2
A) -9
B) 9
C) 1/6
D) 1/9

24. Solve. What is 10^9 divided by 10^4?
A) 5
B) 10
C) 10,000
D) 100,000

25. Write 2/5 as a decimal.

26. 13^2

27. 10^8 ÷ 10^5

28. What is 25% of 80?

29. In a class of 20 students, 7 are girls. What percent of the class are girls?