1. CRT Review
Week 4

2. Solve the proportion: 5 x 6 30
a. x = 5 b. x = 15
c. x = 20 d. x = 25
Answer: D

3. Evaluate this expression. 16(4 – 2) ÷ 8 + 7
a b
c d. 3
Answer: A

4. Find the sum. Write the answer in lowest terms. 4/5 + 7/8
a. 11/13 b. 28/40
c. 11/5 d. 67/40 D

5. Name the property shown by this statement. (4 + 3) + 2 = 4 + (3 + 2)
a. Associative b. Commutative
c. Distributive d. Identity
Answer: A

6. 5. Sue makes $8. 00 per hour at her job
5. Sue makes $8.00 per hour at her job. Estimate how much she will get paid if she works 7 3/8 hours.
a. $50 b. $64
c. $56 d. $70 C

7. Simplify. 27x + 42 – x
a. 39x b. 65x
c x d. 69 – 28x A

8. 7. Classify the angle measure:
a. obtuse b. acute
c. right d. straight
Answer: A

9. Which word best describes the following diagram?
a. rotation b. reflection
c. reduction d. translation D

10. 9. Find the mean of the given data set: 10, 10, 10, 10, 20, 20, 30, 30
a b. 15
c d. 70

11. 10. There are 15 apples on a plate
10. There are 15 apples on a plate. If 3/5 of them are eaten, how many are left?
a. 9 apples b. 8 apples
c. 3 apples d. 6 apples
Answer: D

12. Set up a proportion to solve for x: $75 for 5 CDs $150 for x CDs
a. x = 15 b. x = 1
c. x = 10 d. x = 25
Answer: C

13. Simplify –
a b. -6
c d. 56
Answer: B

14. Replace each ? with <, >, or =. 6/7 ? 8/10
a. < b. > c. = B

15. The Commutative Property of Addition for all numbers m and n is ?.
m + n = m + n + 0
m + 0 = n + 0
m + n = n + m
Answer: D

16. 15. Estimate the product of 31.7 and 4.2.
a b. 124
c d. 12.4 A

17. Solve. x + 3 = 12
a b. 9
c d. 6 B

18. 17. Replace the ? with <, > or = 0.008km ? 0.08mm
Answer: B
a. < b. > c. =

19. 18. Find the circumference of a circle with a diameter of 6 in. (C=Πd)
a in. b in.
c in. d. 36 in.

20. 19. How many students scored better than 6 on their reading quiz?
a b. 16
c d. 27

21. 20. Fifteen more than 4 times a number is equal to 47. Find the number.
a b. 8
c d. 24
Answer: B