 # Find the Smallest Multiple of Two Numbers

In this worksheet, students find the first four lowest common multiples of two given numbers. Key stage:  KS 2

Curriculum topic:   Number: Multiplication and Division

Curriculum subtopic:   Identify Multiples and Factors

Difficulty level:   ### QUESTION 1 of 10

In this activity, we will learn how to list the first few multiples of two numbers.

e.g. Write down the first four numbers that are multiples of 9 and 7.

If they have no common factor, just multiply the two numbers together to get the first common multiple.

Then write down multiples of this number.

Multiples are: 63, 126189252

Want to understand this further and learn how this links to other topics in maths?

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Select the first four numbers that are multiples of 5 and 9

40

45

80

90

134

135

180

189

Select the first four numbers that are multiples of 11 and 12

130

132

264

265

390

396

522

528

Write down the first four numbers that are multiples of 9 and 11

 Multiple 1st 2nd 3rd 4th

Write down the first four numbers that are multiples of 7 and 6

 Multiple 1st 2nd 3rd 4th

Write down the first four numbers that are multiples of 7 and 8

 Multiple 1st 2nd 3rd 4th

Write down the first four numbers that are multiples of 9 and 10

 Multiple 1st 2nd 3rd 4th

Write down the first four numbers that are multiples of 7 and 12

 Multiple 1st 2nd 3rd 4th

Write down the first four numbers that are multiples of 5 and 10

 Multiple 1st 2nd 3rd 4th

Write down the first four numbers that are multiples of 10 and 6

 Multiple 1st 2nd 3rd 4th

Write down the first four numbers that are multiples of 5 and 12

 Multiple 1st 2nd 3rd 4th
• Question 1

Select the first four numbers that are multiples of 5 and 9

45
90
135
180
EDDIE SAYS
9 x 5 = 45 5 x 9 = 45 9 x 10 = 90 5 x 18 = 90 9 x 15 = 135 5 x 27 = 135 9 x 20 = 180 5 x 36 = 180
• Question 2

Select the first four numbers that are multiples of 11 and 12

132
264
396
528
EDDIE SAYS
11 x 12 = 132 12 x 11 = 132 11 x 24 = 264 12 x 22 = 264 11 x 36 = 396 12 x 33 =396 11 x 48 = 528 12 x 44 =528
• Question 3

Write down the first four numbers that are multiples of 9 and 11

 Multiple 1st 2nd 3rd 4th
EDDIE SAYS
9 x 11 = 99 11 x 9 = 99 9 x 22 = 198 11 x 18 = 198 9 x 33 = 297 11 x 27 = 297 9 x 44 = 396 11 x 36 = 396
• Question 4

Write down the first four numbers that are multiples of 7 and 6

 Multiple 1st 2nd 3rd 4th
EDDIE SAYS
6 x 7 = 42 7 x 6 = 42 6 x 14 = 84 7 x 12 = 84 6 x 21 = 126 7 x 18 = 126 6 x 28 = 168 7 x 24 = 168
• Question 5

Write down the first four numbers that are multiples of 7 and 8

 Multiple 1st 2nd 3rd 4th
EDDIE SAYS
7 x 8 = 56 8 x 7 = 56 7 x 16 = 112 8 x 14 = 112 7 x 24 = 168 8 x 21 = 168 7 x 32 = 224 8 x 28 = 224
• Question 6

Write down the first four numbers that are multiples of 9 and 10

 Multiple 1st 2nd 3rd 4th
EDDIE SAYS
9 x 10 = 90 10 x 9 = 90 9 x 20 = 180 10 x 18 = 180 9 x 30 =270 10 x 27 = 270 9 x 40 = 360 10 x 36 = 360
• Question 7

Write down the first four numbers that are multiples of 7 and 12

 Multiple 1st 2nd 3rd 4th
EDDIE SAYS
7 x 12 = 84 12 x 7 = 84 7 x 24 = 168 12 x 14 = 168 7 x 36 = 252 12 x 21 = 252 7 x 48 = 336 12 x 28 = 336
• Question 8

Write down the first four numbers that are multiples of 5 and 10

 Multiple 1st 2nd 3rd 4th
EDDIE SAYS
5 x 2 = 10 1 x 10 = 10 5 x 4 = 20 2 x 10 = 20 5 x 6 = 30 3 x 10 = 30 5 x 8 = 40 4 x 10 = 40
• Question 9

Write down the first four numbers that are multiples of 10 and 6

 Multiple 1st 2nd 3rd 4th
EDDIE SAYS
6 x 5 = 30 10 x 3 =30 6 x 10 = 60 10 x 6 = 60 6 x 15 = 90 10 x 9 = 90 6 x 20 = 120 10 x 12 = 120
• Question 10

Write down the first four numbers that are multiples of 5 and 12

 Multiple 1st 2nd 3rd 4th
EDDIE SAYS
5 x 12 = 60 12 x 5 = 60 5 x 24 = 120 12 x 10 = 120 5 x 36 = 180 12 x 15 = 180 5 x 48 = 240 12 x 20 = 240
---- OR ----

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