multiplication of 7 pull & shift method
TRANSCRIPT
Creating Multiplication Table of 7
CoffeeMathMethods, Tips & Tricks
Pull & Shift Method
1
3
5
7
2
4
6
8
9
Arrange the number 1-9 like this
1
3
5
7
2
4
6
8
9
0
In first row, append 0 to 7.
1
3
5
7
2
4
6
8
9
0
In first row, append 0 to 7. Then write 1 on the left of 4
1
1
3
5
7
2
4
6
8
9
0
In first row, append 0 to 7. Then write 1 on the left of 4, then write 2 on the left of 1
1 2
1
3
5
7
2
4
6
8
9
1
2
2 0
In second row, pull (copy ) number 2 and attach to 8.
1
3
5
7
2
4
6
8
9
4
1
2
2
3
0
In second row, pull ( copy ) number 2 and attach to 8. And write 3 then 4 on the left of each number
1
3
5
7
2
4
6
8
9
4
1
2 3
4
0
In third row, pull ( copy ) number 4 and attach to 9
2
1
3
5
7
2
4
6
8
9
4
5
1
2
6
3
4
0
In third row, pull ( copy ) number 4 and attach to 9And write 5 then 6 on the left of each number
2
1
3
5
7
2
4
6
8
9
4
5
1
2
6
2
3
4
0
Now we have a set of complete products of 7 X 1 to 7 X 9. It’s seem easy but hard to recall. Of cause, we can do it!
1
3
5
7
2
4
6
8
9
And now, we understand that……..
4
5
1
2
6
2
3
4
0
7x9 7x8
7x6 7x4
7x27x3
7x7
7x5
7x1
Thanks !
PuworkUtara