# Chapter 4- GCF & LCM: Question Preview (ID: 12060)

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What do the letters GCF stand for? |
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a) Greatest Common Fraction | b) Greatest Counting Fraction | c) Greatest Common Factor | d) Greatest Counting Factor | |

When simplifying fractions, what is the benefit of finding the GCF to break them? |
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a) You can break/simplify the fraction to lowest terms in one step. | b) To show off your amazing prime factor tree skill. | c) You do not use GCF to simplify fractions. | d) To find the LCM. | |

What are the two methods to find GCF? |
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a) Flip/Flop Listing & Counting | b) Prime Trees and Counting | c) Counting and Multiplying | d) Flip/Flop Listing and Prime Trees. | |

Find the GCF of 15 and 45 |
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a) 5 | b) 1 | c) 45 | d) 15 | |

Find the GCF of 27 and 45 |
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a) 1 | b) 3 | c) 135 | d) 9 | |

Simplify 27/45 using the GCF. What is the resulting lowest terms fraction? |
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a) 1/3 | b) 5/3 | c) 3/5 | d) 1/5 | |

What do the letters LCM stand for? |
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a) Lowest Counting Multiplier | b) Least Common Member | c) Least Common Multiple | d) Largest Common Multiple | |

What phrase did we come up with to remind us how LCM trees are different from GCF trees? |
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a) Leftovers Count Money | b) Largest Counters Move | c) Leftovers Can Minus | d) Leftovers Can Multiply | |

Find the LCM of 26 and 39 |
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a) 13 | b) 78 | c) 3 | d) 6 | |

Find the LCM of 25 and 30 |
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a) 150 | b) 5 | c) 300 | d) 25 | |

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