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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 5 - Mathematics
5.11 Least Common Multiple - LCM

Method:
  1. Least Common Multiple is the common and least multiple of a set of numbers.
  2. Write the multiples of each of the numbers.
  3. Write the common multiples.
  4. Choose the least out of them, which is the LCM.
Example: Find the LCM of 6 and 12
Multiples of 6 are - 6, 12, 18, 24, 30, 36
Multiples of 12 are - 12, 24, 36, 48
Common multiples are - 12, 24, 36
Least common muliple or LCM is 12.
Answer: 12


Directions: Find the LCM of the following. Also write at least 5 examples of your own.
Q 1: Find the LCM of 12 and 18
36
34
20

Q 2: 3,6,9,12,15........are multiples of the number
5
3
2
4

Q 3: Two common multiples of 2 and 3 are 6 and 12
true
false

Q 4: The Least common multiple (LCM) of 2 and 3 is
2
1
6
3

Q 5: The Least common multiple (LCM) of 2 and 5 is
20
10
40
5

Q 6: 2,4,6,8,10,12,14,16...........are multiples of the number
1
3
2
5

Q 7: The Least common multiple (LCM) of 3 and 4 is
24
34
12

Q 8: Find the LCM of 10 and 15
35
20
30

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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