Classroom Response Multiplication for the nation

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MULTIPLICATION.....

FOR THE NATION

When we multiply we are finding ‘lots of’

4 x 6 = 4 lots of 6

6 x 4 = 6 lots of 4

= 24 = 24Next page

6 X 3 = 18

3 X 6 =

6 X 5 = 30

5 X 6 =

3 X 7 = 21

7 X 3 =

Which sums have the same answers?

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6 X 4 = 18

C 4 X 6 =

A 5 X 6 =

B 7 X 3 =

Which sum has the same answer as?

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7 X 4 = 28

C 4 X 6 =

A 5 X 6 =

B 7 X 4 =

Which sum has the same answer as?

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When a sum can be done in any order we say it is commutative

It doesn’t matter whether you do the sum as

6 x 2 OR 2 x 6

You get the same answerNext page

5 x 2 = 10 2 x 5 = 10

3 X 4 = 12 4 X 3 = 12

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Now for some quick fire answers!

12 X 7 = 84 Which is the same as:

A. 7 X 12

B. 12 x 2

C. 7 x 8

D. 9 x 6

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Now for some quick fire answers!

12 X 6 = 72 Which is the same as:

A. 7 X 12

B. 12 x 2

C. 7 x 8

D. 12 x 6

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Now for some quick fire answers!

12 X 2 = 24 Which is the same as:

A. 7 X 12

B. 12 x 2

C. 7 x 8

D. 12 x 6

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Now for something harder!

36 Which is the same as:

A. 7 X 12

B. 12 x 3

C. 7 x 8

D. 12 x 6

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Now for something harder!

56 Which is the same as:

A. 7 X 12

B. 12 x 3

C. 7 x 8

D. 12 x 6

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Now for something harder!

81 Which is the same as:

A. 7 X 12

B. 12 x 3

C. 9 x 9

D. 12 x 6

Last slide – who won?