Find the least common multiple and greatest common factor ...
|MATH 012 |
|TEST 1 |
|REVIEW SHEET |
1. a) Explain how to write a decimal as a fraction.
b) Explain how to write a fraction as a decimal.
2. Write the following in decimal form and as a fraction or mixed number in
simplest form:
a) Fifteen hundredths.
b) Forty-two thousandths.
c) Two and eight hundredths.
d) Five and three hundred thirty three ten-thousandths.
3. Round 4,697.348 to the nearest:
a) Whole number.
b) Tenth.
c) Thousand.
d) Ten
e) Hundred.
f) Hundredth.
4. Arrange in order from least to greatest: a) 4.903, 4.9003, 4.9
b) – 0.408, – 0.4085, – 0.41
5. Write in decimal form. Write in exact form and rounded
to the nearest thousandth.
a) [pic]
b) [pic]
c) [pic]
d) [pic]
6. Indicate which operation is performed first. Then, evaluate each numerical expression:
a) [pic]
b) [pic]
c) [pic]
d) [pic]
7. Is [pic] a solution to the equation [pic]? Why or why not?
8. Solve the following equations. Check the result:
a) [pic]
b) [pic]
c) [pic]
d) [pic]
e) [pic]
f) [pic]
g) [pic]
h) [pic]
i) [pic]
j) [pic]
9. For the following:
I. Determine the LCD and write it down.
II. Rewrite the problem with equivalent fractions having the common denominator.
III. Perform addition or subtraction.
IV. Leave your answer in simplified form.
a) [pic]
b) [pic]
c) [pic]
d) [pic]
e) [pic]
f) [pic]
10. Perform the operations and write the answers in simplest form:
a) [pic]
b) [pic]
c) [pic]
d) [pic]
e) [pic]
11. A rectangle has a length of 9.8 yards and a width of 5.1 yards.
a) Find the area of the rectangle. Use proper units with your answer.
b) Find the perimeter of the rectangle. Use proper units with your answer.
12. Name the place value of the digit 7 in each of the following:
a) 232.0067 b) 0.0578 c) 21.87905 d) 701.559
13. Place >,
d) >
e) =
f) <
14.
15. a) 0.1
b) 0.04
c) [pic]
d) [pic]
16. a) [pic]
b) –0.005
c) 0.075
d) –2
17. a) [pic]
b) 1
c) [pic]
d) –13
18. 9 and 10 since [pic]
19. 26 in.
20. 7.48 cm
21. 10.5625 square cm
22.
[pic]
23. E: (5, 0), F: (0, 6)
G: (0, –1), H: (–3, 0)
24.
|x |y |(x, y) |
|0 |– 2 |(0, – 2 ) |
|4 |0 |(4, 0 ) |
|–3 |[pic] |(– 3, –3.5) |
|10 |3 |(10, 3 ) |
25. 240.8 inches
26. 84 blouses
27. a) 8000 kWh
b) $9600
28. a) 72.25 square feet
b) 44.5 feet
29. a) 19
b) $0.41
c) 96, [pic] calories
30. a) 8.8 gallons
b) 321 miles
31. $181.82
32. $6.12
33. a) $165.44
b) $7941.12
34. a) 14.8 pounds
b) 13.3 pounds
c) 12.8 pounds
d) 12.7 pounds[pic]
35. 6.93 ft.
36. 42 years old
37. 18.6 hours (or 18 hours, 36 min.)
38. a) $443.04
b) $761.28
39. a) [pic]
b) [pic]
c) [pic]
d) [pic]
e) [pic]
f) [pic]
40. a) [pic]
b) [pic]
c) [pic]
d) [pic]
41. a) 4x
b) x – 7
c) [pic]
d) [pic]
42. [pic]
43. [pic]
44. 365x
45. a) Mets: $110,000,000
Royals: $70,000,000
Yankees: $190,000,000
Red Sox: $140,000,000
b) $80,000,000
c) $210,000,000
d) 2.7
46. a) China: 1.3 billion
USA/Mexico: 0.4 billion
Indonesia: 0.2 billion
India: 1.1 billion
Brazil: 0.2 billion
Pakistan/Bangladesh: 0.3 billion
Rest of World: 3 billion
b) 2, China, India
c) 3.5 billion
d) 6.5 billion
e) [pic]
47. a) 52
b) 10
48. a) 1, 2, 3, 4, 6, 12
b) 1, 2, 3, 6, 9, 18
c) 6
49. 31 degrees
50. [pic]
51. [pic] left
-----------------------
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