# DO YOU REMEMBER?: Question Preview (ID: 19842)

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9. To cancel down a fraction |
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a) To multiply the numerator and denominator by its GCF | b) To divide the numerator and denominator by its GCF | c) To divide the numerator and denominator by its LCM | d) To multiply the numerator and denominator by its LCM | |

8. In order to add or subtract fractions, they have to have the same ________. |
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a) Denominator | b) Top number | c) Bottom number | d) Numerator | |

6. The Least Common Multiple (LCM). |
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a) LCM(3,6) = 1 | b) LCM(3,6) = 6 | c) LCM(3,6) = 0 | d) LCM(3,6) = 18 | |

7. The Greatest Common Factor (GCF). |
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a) GCF(3,4) = 24 | b) GCF(3,4) = 12 | c) GCF(3,4) = 4 | d) GCF(3,4) = 1 | |

5. N divides by 5 leaves a remainder |
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a) N is a factor of 5 | b) N is not a multiple of 5 | c) N is a multiple of 5 | d) N is a multiple of 3 | |

4. What is a prime factorization of a number? |
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a) To list out all its factors | b) To list out all its prime factors | c) To express the number as the product of its prime factors | d) To express sum of number | |

3. A ______ is an integer that exactly divides a given integer |
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a) Prime factor | b) Factor | c) Primer | d) Composite | |

2. A _____ number is a number greater than one whose factors are only one and itself |
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a) Whole | b) Prime | c) Composite | d) Factor | |

1. What is a “whole” or “counting” number? |
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a) A prime number | b) A composite number | c) A natural number | d) A integer number | |

10. Simplify 4/12 |
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a) 1/3 | b) 2/6 | c) 2/3 | d) 1/2 | |

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