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1. |
64 is a multiple of which number? |
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A. |
16 |
B. |
17 |
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C. |
19 |
D. |
18 |
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Hint |
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2. |
What is the LCM of 24 and 16?
multiples of 24: 0, 24, 48, 96, 192…
multiples of 16: 0, 16, 32, 48, 64… |
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A. |
24 |
B. |
0 |
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C. |
48 |
D. |
16 |
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Hint |
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3. |
Find the LCM of 6 and 14. |
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A. |
84 |
B. |
21 |
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C. |
16 |
D. |
42 |
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Hint |
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4. |
Katie has three CD's that she wants to play at her party. She wants to play the same number of songs by each artist. What is the least number of times she'll have to play each CD? |
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A. |
Fredrica Orange 6 times, Anna in Ropes 4 times, Soggy Bread 3 times |
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B. |
Fredrica Orange 12 times, Anna in Ropes 2 times, Soggy Bread 6 times |
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C. |
Fredrica Orange 6 times, Anna in Ropes 9 times, Soggy Bread 12 times |
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D. |
Fredrica Orange 3 times, Anna in Ropes 2 times, Soggy Bread 1 times |
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Hint |
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5. |
Find the LCM of 3, 6, and 15 by using prime factors. |
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A. |
15 |
B. |
18 |
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C. |
30 |
D. |
60 |
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Hint |
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