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1. |
Which of the following numbers is divisible by 3? |
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A. |
35 |
B. |
162 |
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C. |
163 |
D. |
23 |
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Hint |
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2. |
Which of the following numbers is divisible by 6? |
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A. |
1,502 |
B. |
2,056 |
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C. |
1,156 |
D. |
2,148 |
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Hint |
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3. |
Use the factor tree to write the prime factorization of 120. |
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A. |
2 × 2 × 2 × 3 × 5 |
B. |
2 × 3 × 5 |
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C. |
2 × 2 × 3 × 5 |
D. |
2 × 60 |
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Hint |
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4. |
Write the prime factorization of 204. |
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A. |
2 × 3 × 17 |
B. |
2 × 2 × 3 × 17 |
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C. |
6 × 17 |
D. |
2 × 17 |
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Hint |
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5. |
What are the prime factors of 400? |
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A. |
2, 5 |
B. |
2, 4, 5 |
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C. |
2, 200 |
D. |
4, 10, 10 |
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Hint |
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6. |
What is the least positive number divisible by 4, 6, and 9? |
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A. |
18 |
B. |
72 |
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C. |
36 |
D. |
216 |
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Hint |
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7. |
What are the prime factors of 810? |
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A. |
2, 3, 5 |
B. |
2, 5, 9 |
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C. |
3, 5 |
D. |
3, 4, 5 |
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Hint |
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8. |
Write the decimal three hundredths in standard form. |
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A. |
0.3 |
B. |
0.03 |
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C. |
3 |
D. |
300 |
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Hint |
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9. |
Write the decimal forty-six hundredths in standard form. |
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A. |
0.46 |
B. |
46 |
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C. |
4,600 |
D. |
0.046 |
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Hint |
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10. |
Find 3.2 ÷ 8. |
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A. |
40 |
B. |
0.4 |
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C. |
0.004 |
D. |
0.04 |
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Hint |
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