3 x 12 23 x 98 237 x 4 273 x 172 2637 x 23. Grid Method Grid Method Gelosian Method Gelosian Method...

3 x 123 x 12 23 x 9823 x 98

237 x 4237 x 4

273 x 172273 x 172

2637 x 232637 x 23

Grid MethodGrid Method

Gelosian Gelosian MethodMethod

Partitioning Partitioning methodmethod

““Long” Long” multiplicationmultiplication

500 70 4

20

9

1000010000 14001400 8080

45004500 630630 3636

11480

5166

16646

+

Return To Return To Multiplication Multiplication

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Finished!Finished!

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200 70 2

10

3

20002000 700700 2020

600600 210210 66

2 7 2 08 1 6

3 5 3 6

+


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Finished!Finished!





20 4

2

10030

20002000 400400

4040

600600 120120

88

2 6 4 05 2 8

3 1 6 8+

Finished!Finished!


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300 80 5

300

20

9000090000 2400024000 15001500

60006000 16001600 100100

1 1 5 5 0 07 7 0 0

1 2 5 5 1 0

+


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Show me the Show me the next methodnext method18001800 480480 30306

2 3 1 0+

200 70 4

100

90

2000020000 70007000 400400

1800018000 63006300 360360

2 7 4 0 02 4 6 6 0

5 3 9 7 8

+


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Finished!Finished!




14001400 490490 28287

1 9 1 8 +

That was the last of those examples. Why don’t you try a few practice That was the last of those examples. Why don’t you try a few practice questions or check out a different method.questions or check out a different method.


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Worksheet

Excel File

Solution to worksheet

Time to practice

2 7 21

36600

00 22

1122

00 77

66002200

6633551133

Read left to right Read left to right = 3536= 3536Finished!Finished!


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5 2 34

55511

11 22

0011

00 88

55220022

5533551133

Read left to right Read left to right = 23535= 23535Finished!Finished!


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22

3 2 72

17700

11 44

2200

00 44

330066

00

2233661100

Read left to right Read left to right = 70632= 70632 Finished!Finished!Return To Return To

Multiplication Multiplication MenuMenu





77622442211881111

11

00

6 8 35

68811

11 55

8844

44 00

663300

33

7722661188







88977222277445522

11

33

6 8 14

2

00 44

4411002255





Show me the Show me the next methodnext method11

922

11

11

233 2222 44

99

00 8800 2211 6611 2200 4400 9977 2255 4411 88

11

That was the last of those examples. Why don’t you try a few practice That was the last of those examples. Why don’t you try a few practice questions or check out a different method.questions or check out a different method.


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Worksheet

Excel File


Time to practice

200 x 13

+ 70 x 13

+ 2 x 13

200 x 10 = 2000200 x 3 = 600

70 x 10 = 70070 x 3 = 210

2 x 10 = 20

2 x 3 = 6

3536Finished!Finished!Return To Return To






800 x 16

+ 20 x 16

+ 5 x 16

800 x 10 = 8000800 x 6 = 4800

20 x 10 = 20020 x 6 = 120

5 x 10 = 50

5 x 6 = 30







900 x 57

+ 30 x 57

+ 8 x 57

900 x 50 = 45000900 x 7 = 6300

30 x 50 = 150030 x 7 = 210

8 x 50 = 400

8 x 7 = 56







300 x 251

+ 50 x 251

+ 9 x 251

90101Finished!Finished!


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300 x 200 = 60000300 x 50 = 15000300 x 1 = 300

50 x 200 = 1000050 x 50 = 250050 x 1 = 50

9 x 200 = 18009 x 50 = 4509 x 1 = 1


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Worksheet

Excel File


Time to practice

2 7 2x 1 3

612

80272+

3 5 3 63 5 3 6

Finished!Finished!


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6 2 4x 3 7

862

4 30271 8+

2 3 0 8 82 3 0 8 8

Finished!Finished!


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Let me practiceLet me practice11

5 8 2x 7 5

011

2 90474 0+

4 3 6 5 04 3 6 5 0

Finished!Finished!


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415


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Worksheet

Excel File


Time to practice

3 x 12 23 x 98 237 x 4 273 x 172 2637 x 23. Grid Method Grid Method Gelosian Method Gelosian Method...

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