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revision grade 6
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Which is the greatest common factor (GCF) of 18 and 24?
6
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What is the least common multiple (LCM) of 4 and 5?
20
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Write the expression for "5 more than a number x."
x+5
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What is the GCF of 14 and 21?
7
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Write the expression for "twice a number z."
2z
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What is the LCM of 3 and 7?
21
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Simplify the expression 5+(3×4).
17
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Simplify the expression 4×(3+2).
20
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Write the algebraic expression for "7 less than y."
y−7
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Simplify (6×2)+5
17
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What is the GCF of 32 and 48?
16
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Write the algebraic expression for "half of w."
w/2
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