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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?