Common multiples and the lowest common multiple
5th grade (Year 6 in England) · 16 questions · Common Core: 6.NS.B.4 · England: Y6 Number – multiplication and division
Name
Date
Score/ 16
Question 1
Two buses leave the station together at 9:00. One leaves every 6 minutes and the other every 8 minutes. After how many minutes do they next leave together?
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Question 2
What is the lowest common multiple of 4 and 6?
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Question 3
Two buses leave the station together at 10:00. One leaves every 10 minutes and the other every 15 minutes. After how many minutes do they next leave together?
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Question 4
What is the lowest common multiple of 5 and 6?
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Question 5
Two buses leave the station together at 8:00. One leaves every 9 minutes and the other every 12 minutes. After how many minutes do they next leave together?
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Question 6
What is the lowest common multiple of 3 and 4?
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Question 7
Two buses leave the station together at 7:00. One leaves every 9 minutes and the other every 12 minutes. After how many minutes do they next leave together?
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Question 8
What is the lowest common multiple of 6 and 9?
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Question 9
Two buses leave the station together at 7:00. One leaves every 10 minutes and the other every 15 minutes. After how many minutes do they next leave together?
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Question 10
What is the lowest common multiple of 6 and 8?
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Question 11
Two buses leave the station together at 10:00. One leaves every 9 minutes and the other every 12 minutes. After how many minutes do they next leave together?
Answer
Question 12
What is the lowest common multiple of 6 and 8?
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Question 13
Two buses leave the station together at 10:00. One leaves every 9 minutes and the other every 12 minutes. After how many minutes do they next leave together?
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Question 14
What is the lowest common multiple of 3 and 5?
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Question 15
Two buses leave the station together at 8:00. One leaves every 15 minutes and the other every 20 minutes. After how many minutes do they next leave together?
Answer
Question 16
What is the lowest common multiple of 5 and 6?
Answer
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