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Lesson

Think about your times tables. Multiples are what you get after multiplying a number by an integer (a whole number). For example, in the $$4 times tables we work our way through starting at

$$4×1=4

$$4×2=8

$$4×3=12 and so on.

So, the first five multiples of $$4 are $$4, $$8, $$12, $$16 and $$20.

We could also think of it as if we were jumping up on a number line.

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So:

  • The first three multiples of $$2 are $$2, $$4, and $$6.
  • The first three multiples of $$3 are $$3, $$6 and $$9.
  • The lowest common multiple (LCM) is $$6.

 

Examples

Question 1

Write down the first 5 multiples of $$3.

  1. No. Multiple
    1st $$
    2nd $$
    3rd $$
    4th $$
    5th $$


Question 2

What multiple of 8 is 72?

  1. $$72 is the $$th multiple of $$8.

 
Question 3

Find the lowest common multiple of $$12 and $$20.

  1. Lowest common multiple = $$

 

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