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GCF and LCM Review

Quiz by Tara

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9 questions
Show answers
  • Q1
    Find the LCM of 12, 20 and 24.
    4
    120
    8
    240
    120s
  • Q2
    Find the LCM of 20, 30 and 40.
    5
    120
    240
    10
    120s
  • Q3
    Find the LCM of 24, 36 and 54.
    1,296
    432
    216
    6
    120s
  • Q4
    Find the LCM of 10, 25 and 35.
    5
    70
    350
    700
    120s
  • Q5
    Find the GCF of 15, 45 and 50.
    5
    100
    15
    50
    120s
  • Q6
    Find the GCF of 28, 42 and 70.
    7
    28
    14
    140
    120s
  • Q7
    Find the GCF of 63, 84 and 105.
    14
    9
    7
    21
    120s
  • Q8
    Find the GCF of 56, 78 and 130.
    2
    4
    8
    390
    120s
  • Q9
    A box of marbles can be shared equally among 6, 7 or 8 students with 4 marbles left over each time. What is the least possible number of marbles in the box?
    336
    168
    172
    340
    120s

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