STD 5 MATHEMATICS

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July 15, 2020
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July 16, 2020

STD 5 MATHEMATICS

Welcome to your STD 5 MATHEMATICS

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STD 5 MATHEMATICS LESSON

TOPIC: FACTORS

SUBTOPIC: FINDING LCM
LCM Stands for Least Common Multiple or Lowest Common Multiple.
To get the LCM, list down the multiples of each number until you get the smallest number that can divide the two  or more given numbers.
Example 1
the LCM of 4 and 6 is
4 : 4,8,12,16,20,24,28,32,36.....
6:  6, 12,18,24,30,36......

LCM of 4 and 6 is 12 because it is the lowest number that can divide the two.
 
Look at another example to get LCM.
Example 2

Example 3

EXERCISE : LOOK FOR LCM OF THE GIVEN NUMBERS

1. LCM of  5 and 10

2. LCM of  6 and 9

3.  LCM of 12 and 18

4.  LCM of 8 and 9

5. LCM of  3 and 7

6. LCM of 6 and 5

7. LCM of 4 and 5

8. LCM of  12  and 16

9. LCM of    8 and 3

10. LCM of 24 and 36

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