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1. |
Write the prime factorization of 1500. |
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A. |
22 × 3 × 52 |
B. |
22 × 3 × 52 × 102 |
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C. |
2 × 3 × 5 |
D. |
22 × 3 × 53 |
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Hint |
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2. |
Name a fraction equivalent to the fraction that is modeled in the figure. |
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 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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3. |
Express 21.3 out of 100 as a percent. |
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A. |
2.13% |
B. |
213% |
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C. |
0.213% |
D. |
21.3% |
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Hint |
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4. |
In a survey, 75 out of 100 eighth graders said they bought lunch at school. What percent is this? |
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A. |
0.75% |
B. |
100% |
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C. |
25% |
D. |
75% |
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Hint |
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5. |
What is the least common multiple of 4, 5, and 16? |
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A. |
64 |
B. |
160 |
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C. |
16 |
D. |
80 |
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Hint |
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6. |
Express  in simplest form. |
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A. |
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B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
Write 0.234 as a percent. |
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A. |
2.34% |
B. |
23.4% |
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C. |
234% |
D. |
23% |
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Hint |
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8. |
Express 56% as a decimal. |
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A. |
0.56 |
B. |
0.056 |
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C. |
5.6 |
D. |
0.0056 |
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Hint |
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9. |
Write 0.6734343434… in bar notation. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
What is the greatest common factor of 64 and 40? |
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A. |
20 |
B. |
4 |
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C. |
8 |
D. |
2 |
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Hint |
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11. |
What is the greatest common factor of 39 and 18? |
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A. |
3 |
B. |
6 |
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C. |
9 |
D. |
13 |
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Hint |
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12. |
Find the least common multiple of 6, 8, and 10. |
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A. |
86 |
B. |
120 |
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C. |
140 |
D. |
240 |
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Hint |
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13. |
Factor 20ef. |
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A. |
22 · e · f |
B. |
4 · 5 · e · f |
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C. |
2 · 2 · 5 · e · f |
D. |
2 · 10 · e · f |
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Hint |
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14. |
Write 5 as a decimal. |
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A. |
 |
B. |
5.01 |
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C. |
 |
D. |
5.11 |
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Hint |
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15. |
Which set of rational numbers is ordered from least to greatest? |
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A. |
0.6,  ,  , 73% |
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B. |
, 0.6, 73%, |
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C. |
0.6, , 73%, |
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D. |
, 73%, , 0.6 |
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Hint |
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16. |
Which rational number is the least? |
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A. |
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B. |
0.9 |
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C. |
10% |
D. |
 |
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Hint |
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