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4th Grade Math (Grade 4) · Chapter 6 · Lesson 6.6 · Printable PDF

Least Common Multiple by Listing Worksheet with Answer Key

7 problems on least common multiple by listing multiples: two and three numbers, shelter schedules, plates and cups, museum shows, lamps and benches on a path, and finding all pairs with a least common multiple of 12. 2 pages, with a worked answer key.

7 problems2 pagesanswer key
Printable Least common multiple by listing worksheet with answer key - 4th Grade Math (Grade 4) (Page 1 PDF preview)
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Try one first: a free Chapter 1 worksheet (PDF, no sign-in).

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What's on the worksheet

  1. Find the least common multiple of each pair, showing the list of multiples:
    6 and 810 and 157 and 219 and 1012 and 18
  2. Find the least common multiple of three numbers:
    2, 3 and 83, 5 and 64, 6 and 95, 6 and 8
  3. Word problem: when are Layla and Arjun next at the shelter on the same day?
  4. Word problem: smallest number of plates that matches the cups, and how many packs of each?
  5. Word problem: after how many minutes do all three museum shows start together?
  6. Word problem: at how many places along the path do a lamp and a bench meet?
  7. Find every pair of different whole numbers over 1 whose least common multiple is 12.

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The free lesson teaches it with worked examples and practice problems.

Least common multiple by listing: the lesson ›

More Chapter 6 worksheets: Factors, multiples and primes