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CCDM 105 Final Exam Review
Directions: This final is to be done without a calculator. All fractions should be simplified to
lowest terms. When appropriate answers should be labeled with symbols or units (for example $,
%, cm, in2).
1.
Add 540 + 67 + 481
2.
Round 1,658 to the nearest hundred
3.
Divide: 5574÷13 express your answer in remainder form
4.
Multiply: 562 X 109
5.
Find the prime factorization of 24
6.
Write in lowest terms 18/24
7.
Subtract 3837 – 528
8.
Convert 0.52 to a fraction in lowest terms
9.
Multiply: 611 ×2230
10.
Write
11.
Write 57 as an improper fraction
12.
Convert 12 to a decimal round to the nearest hundredth.
27
12
as a mixed number
6
5
13. Jackson earned $487.80 for 49 hours of work. Estimate the amount earnings per hour.
13.
Add: 5 + (-3) + 8 + (-7)
14.
Multiply:
(-3)(-4)(-7)
15.
Simplify:
-12+ 16 ÷ 4 – 2 (-3)
16.
Evaluate:
2𝑥 2 − 3𝑥 + 5 when 𝑥 = −3
17.
Simplify: 2(𝑥 − 3) − 5𝑥 + 10
18.
Solve: 3(𝑦 + 1) = 12
19.
Add: 2 4 + 5 3
20.
Add:
21.
Subtract:
10 5 − 5 5
22.
Subtract:
7 − 35
23.
Multiply:
(2 3)(3 4)
24.
Divide: 25 ÷ 15
25.
Add: -4.005 + 0.93
26.
Subtract:
17 – 5.27
27.
Multiply:
(2.68)(0.73)
28.
Divide:
3.78 ÷ 0.3
3
−3
7
4
1
9
+ 14
2
3
4
2
3
8
29.
Find the perimeter of the figure above.
30.
Find the area of the figure above.
31.
Find the circumference of the circle. (use 3.14 for 𝜋 )
32.
The diameter of the clock on Margie's kitchen wall is 10 inches. Find the area of the
clock face.
33.
Find the unknown lengths.
34.
The stock market report says that 5 stocks went up for every 6 stocks that went down. If
750 stocks went down yesterday, how many went up?
35.
600 orders is what percent of 400 orders?
36.
What percent of adults have a fear of putting on weight and too much family time?
Thanksgiving Turnoffs: What adults dread most about the holiday.
Too much family
time
6%
The expense
9%
None of
these/don't know
23%
Traveling
17%
Fear of putting on
weight
26%
Hassle cooking
19%
Answers for Review for CCDM 105N
1. 1088
2. 1700
3. 428 R 10
1
20. 8 12
3
21. 14
4
4. 61,258
22. 45
5. 2∙ 2 ∙ 2 ∙ 3 or 23 3
23. 35
3
1
6. 4
24. 10
7. 3309
25.
13
3
10
8. 25
26. – 3.075
9. 1,362,530
27. 11.73
1
10. 24
11.
41
7
12. 0.42
13. $10
14. 3
15. -84
16. -2
17. 32
18. -3x +4
19. y = 3
28. 1.9564
29. 12.6
30. 31 in
31. 36 in2
32. 18.84 in
33. 78.5 in2
34. x = 4.5 cm , y = 3 cm
35. 625 stocks
36. 120%
37. 32%