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Lowest Common Multiples (3)

In this worksheet, students state the lowest common multiple of two numbers.

'Lowest Common Multiples (3)' worksheet

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Concepts and Vocabulary for All Numbers

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

The multiples of 10 are 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120 etc.....

The multiples of 15 are 15, 30, 45, 60, 75, 90, 105, 120, 135 etc......

 

Some of these multiples appear in both lists and these are the common multiples of 10 and 15.  They are:

30, 60, 90, 120 etc...

 

This list will go on forever but 30 is the smallest

or the Lowest Common Multiple (LCM) of 10 and 15.

What is the lowest common multiple of....?

8 and 12

What is the lowest common multiple of....?

6 and 12

What is the lowest common multiple of....?

12 and 18

What is the lowest common multiple of....?

12 and 30

What is the lowest common multiple of....?

24 and 18

What is the lowest common multiple of....?

12 and 15

What is the lowest common multiple of....?

16 and 6

What is the lowest common multiple of....?

25 and 15

What is the lowest common multiple of....?

8 and 9

What is the lowest common multiple of....?

15 and 16

  • Question 1

What is the lowest common multiple of....?

8 and 12

CORRECT ANSWER
24
  • Question 2

What is the lowest common multiple of....?

6 and 12

CORRECT ANSWER
12
  • Question 3

What is the lowest common multiple of....?

12 and 18

CORRECT ANSWER
36
  • Question 4

What is the lowest common multiple of....?

12 and 30

CORRECT ANSWER
60
  • Question 5

What is the lowest common multiple of....?

24 and 18

CORRECT ANSWER
72
  • Question 6

What is the lowest common multiple of....?

12 and 15

CORRECT ANSWER
60
  • Question 7

What is the lowest common multiple of....?

16 and 6

CORRECT ANSWER
48
  • Question 8

What is the lowest common multiple of....?

25 and 15

CORRECT ANSWER
75
  • Question 9

What is the lowest common multiple of....?

8 and 9

CORRECT ANSWER
72
  • Question 10

What is the lowest common multiple of....?

15 and 16

CORRECT ANSWER
240
---- OR ----

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