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Multiples- October 11th, 2020

 




Multiples

Multiples are really just extended times tables.

The multiples of 2 are all the numbers in the 2 times table, such as 2, 4, 6, 8, 10 and so on.


The multiples of 5 are all the numbers in the 5 times table, such as 5, 10, 15, 20, 25 and so on.

Multiples of 5 always end with a 5 or a 0. You can tell 465, for example, is a multiple of 5 because it ends with a 5.


Write the first five multiples of the numbers shown below:



















Finding the LCM


LCM stands for the LOWEST COMMON MULTIPLE


Example. Find the LCM of 2 and 5. 


Step 1: 

            Multiples of 2= 2, 4, 6, 8, 10, 12


Step 2: 

            Multiples of 5= 5, 10, 15


Step 3: Find the lowest number that is the same. 

                Answer= 10




1. Find the LCM of 2 and 7


2. Find the LCM of 3 and 5


3. Find the LCM of 4 and 5


**********************************************************************


Homework


















1. Find the LCM of 5 and 7


2. Find the LCM of 3 and 4


3. Find the LCM of 5 and 6


4. Find the LCM of 3 and 8

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