1) List all the factors of 12.
| 2) List all the factors of 24.
| 3) List all the factors of 54.
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4) List all the factors of 90.
| 5) What is the GCF of 24 and 64?
| 6) What is the GCF of 54 and 15?
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7) What is the GCF of 30 and 15?
| 8) Reduce 15/30.
| 9) Reduce 32/72.
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10) Reduce 12/45.
| 11) Reduce 28/80.
| 12) Reduce 60/120.
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13) 3/7 = N/49, N=
| 14) 3/10 = M/40, M=
| 15) 4/7 = P/63, P=
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16) Make a factor tree for 30.
| 17) Make a factor tree for 48.
| 18) 3/7 = X/56, X=
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19) 3/8 = Y/56, Y=
| 20) Sally had 55 cents in her piggy bank. Express as a reduced fraction what part of a dollar she had in her piggy bank.
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