Title: Long Multiplication
1Long Multiplication
How did you learn how to multiply?
273 x 172
3 x 12
23 x 98
237 x 4
2637 x 23
2Multiplication
Grid Method
Partitioning method
Long multiplication
Gelosian Method
3Grid Method
Talk me through this
Eg) 574 x 29
Show me more examples
11480
500
70
4
Let me practice
5166
20
10000
1400
80
16646
9
4500
630
36
Show me the next method
Finished!
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4Grid Method
Talk me through this
Eg) 272 x 13
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2 7 2 0
200
70
2
8 1 6
Let me practice
10
2000
700
20
3 5 3 6
3
600
210
6
Show me the next method
Finished!
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5Grid Method
Talk me through this
Show me more examples
Eg) 24 x 132
2 6 4 0
20
4
Let me practice
5 2 8
2000
400
100
3 1 6 8
30
600
120
Show me the next method
Finished!
2
40
8
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6Grid Method
Talk me through this
Eg) 326 x 385
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1 1 5 5 0 0
7 7 0 0
300
80
5
Let me practice
2 3 1 0
300
90000
24000
1500
1 2 5 5 1 0
6000
1600
20
100
Show me the next method
6
1800
480
30
Finished!
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7Grid Method
Talk me through this
Eg) 274 x 197
2 7 4 0 0
Let me practice
2 4 6 6 0
200
70
4
1 9 1 8
100
20000
7000
400
5 3 9 7 8
Show me the next method
18000
6300
360
90
1400
490
28
7
Finished!
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That was the last of those examples. Why dont
you try a few practice questions or check out a
different method.
8Grid Method
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Time to practice
Worksheet
Excel File
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Solution to worksheet
9Gelosian Method
Talk me through this
Show me more examples
Eg) 272 x 13
2
2
7
Let me practice
0
0
0
1
2
7
2
0
2
0
3
1
6
6
3
1
Show me the next method
3
5
6
Finished!
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Read left to right 3536
10Gelosian Method
Talk me through this
Show me more examples
Eg) 523 x 45
5
3
2
Let me practice
2
1
0
4
2
2
8
0
1
1
2
5
0
5
5
3
1
Show me the next method
3
5
5
Finished!
Return To Multiplication Menu
Read left to right 23535
11Gelosian Method
Talk me through this
Eg) 327 x 216
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3
7
2
0
1
0
0
2
4
4
Let me practice
6
0
0
0
1
2
7
7
3
1
1
1
Show me the next method
4
6
2
8
0
1
2
1
2
3
6
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Finished!
Read left to right 70632
12Gelosian Method
Talk me through this
Eg) 683 x 569
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6
3
8
3
1
4
3
5
5
0
Let me practice
0
4
1
3
6
8
8
8
6
1
7
5
Show me the next method
2
9
2
4
8
2
7
1
7
2
6
Return To Multiplication Menu
Finished!
Read left to right 388627
13Gelosian Method
Talk me through this
Eg) 2681 x 429
6
8
1
2
Let me practice
0
2
0
3
4
1
4
4
8
2
1
0
1
1
0
2
Show me the next method
2
6
2
4
1
1
7
0
5
1
9
2
5
9
4
8
2
2
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0
4
1
9
Finished!
Read left to right 1150149
That was the last of those examples. Why dont
you try a few practice questions or check out a
different method.
14Gelosian Method
Show me the next method
Time to practice
Worksheet
Excel File
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Solution to worksheet
15Partitioning method
Talk me through this
Show me more examples
Eg) 272 x 13
Let me practice
Show me the next method
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Finished!
3536
16Partitioning method
Talk me through this
Eg) 825 x 16
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Let me practice
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Finished!
13200
17Partitioning method
Talk me through this
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Eg) 938 x 57
Let me practice
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Finished!
53466
18Partitioning method
Talk me through this
Eg) 359 x 251
Show me more examples
Let me practice
Show me the next method
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Finished!
90101
19Partitioning Method
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Time to practice
Worksheet
Excel File
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Solution to worksheet
20Longmultiplication
Talk me through this
Eg) 272 x 13
2 7 2
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x 1 3
Finished!
2
Let me practice
6
1
8
2
7
2
0
Return To Multiplication Menu
3 5 3 6
21Longmultiplication
Talk me through this
Eg) 624 x 37
6 2 4
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x 3 7
Finished!
2
1
1
Let me practice
8
6
4 3
2
7
1 8
0
Return To Multiplication Menu
2 3 0 8 8
22Longmultiplication
Talk me through this
Eg) 582 x 75
5 8 2
x 7 5
Let me practice
Finished!
1
1
4
5
0
1
2 9
Return To Multiplication Menu
4
7
4 0
0
4 3 6 5 0
23Long Multiplication Method
Show me the next method
Time to practice
Worksheet
Excel File
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Solution to worksheet
24That is the end of this exercise Why not try
some division now