Least Common Multiple
2 years ago
eturner1990
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15 QuestionsShow answers
  • Question 1
    60 seconds
    Q. What is the least common multiple (LCM) of 3 and 20?
    answer choices
    60
    40
    20
    3
  • Question 2
    60 seconds
    Q. What is the least common multiple (LCM) of 8 and 5?
    answer choices
    50
    40
    5
    8
  • Question 3
    60 seconds
    Q. What is the least common multiple (LCM) of 15 and 2?
    answer choices
    30
    2
    45
    152
  • Question 4
    60 seconds
    Q. What is the least common multiple (LCM) of 6 and 8?
    answer choices
    6
    8
    48
    24
  • Question 5
    30 seconds
    Q. The multiples of 7 are
    1,6,7,9,3,6,4
    answer choices
    True
    False
  • Question 6
    180 seconds
    Q. Choose the correct list of the first five multiples of 10.
    answer choices
    1, 10, 20, 30, 40
    10, 20, 30, 40, 50
    5, 10, 15, 20, 25
    10, 30, 40, 50, 60
  • Question 7
    300 seconds
    Q. Choose the correct list of the first five multiples of 6. 
    answer choices
    6, 12, 18, 32, 36
    6, 14, 22, 28, 34
    6, 12, 18, 24, 32
    1, 6, 12, 18, 24
  • Question 8
    300 seconds
    Q. If Juanita runs every third day and swims every fifth day, what is the first day that she will both run and swim again? 
    answer choices
    5
    15
    45
    30
  • Question 9
    300 seconds
    Q. Cups are sold 5 to a package and plates are sold 10 to a package. If you want to have the same number of each item for a party, what is the least number of packages of each you need to buy?
    answer choices
    30
    20
    50
    10
  • Question 10
    300 seconds
    Q. Use a number tree to find the prime factorization of 34
    answer choices
    2x2x2x4
    2x2x2x2x2
    4x4x2
    2x2x2x2x1
  • Question 11
    60 seconds
    Q. All of these are prime except
    answer choices
    3
    9
    2
    13
  • Question 12
    30 seconds
    Q. Which of these is NOT a factor of 36?
    answer choices
    2
    8
    12
    6
  • Question 13
    120 seconds
    Q. What number could be a common denominator for these two fractions?
    2/3   and   3/4
    answer choices
    3
    4
    7
    12
  • Question 14
    900 seconds
    Q. What is the least common denominator of 1/7 and 3/6?
    answer choices
    14
    21
    7
    42
  • Question 15
    120 seconds
    Q. What is the LCM of 2, 4, 6?
    answer choices
    6
    12
    4
    2
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