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Published byKathryn Harmon Modified over 8 years ago
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So You Want To Learn Lattice Multiplication?
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43 x 92
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4 3 9 2
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4 9 2 2 7 3
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3 9 2 2 7 3 6 4
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4 9 2 2 7 3 6 0 6 3
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3 9 2 2 7 3 6 0 6 0 8 4
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9 2 2 7 3 6 0 6 0 8
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9 2 2 7 3 6 0 6 0 8 6
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9 2 2 7 3 6 0 6 0 8 6 5 1
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9 2 2 7 3 6 0 6 0 8 6 5 9 1
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9 2 2 7 3 6 0 6 0 8 6 5 9 3
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9 2 2 7 3 6 0 6 0 8 6 5 9 3
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43 x 92 = 3,956
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68 x 79 Another example
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6 8 7 9
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8 7 9 4 2 6
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8 7 9 4 2 5 4 6
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6 7 9 5 6 8 4 5 2 4
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6 7 9 5 6 4 2 7 2 8 5 4
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7 9 5 6 4 2 7 2 5 4
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7 9 5 6 4 2 7 2 5 4 2
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7 9 5 6 4 2 7 2 5 4 2 7 1
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7 9 5 6 4 2 7 2 5 4 2 7 1 3 1
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7 9 5 6 4 2 7 2 5 4 2 7 3 1 5
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7 9 5 6 4 2 7 2 5 4 2 7 3 5
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68 x 79 = 5,372
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510 x 46 A harder example
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5 4 6 10
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5 4 6 10 2 0
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5 4 6 10 2 0 0 4
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5 4 6 10 2 0 0 4 0 0
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5 4 6 10 2 0 0 4 0 0 0 0
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5 4 6 10 2 0 0 4 0 0 0 0 0 6
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5 4 6 10 2 0 0 4 0 0 0 0 0 6 3 0
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5 4 6 10 2 0 0 4 0 0 0 0 0 6 3 0
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5 4 6 10 2 0 0 4 0 0 0 0 0 6 3 0 0
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5 4 6 10 2 0 0 4 0 0 0 0 0 6 3 0 0 6
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5 4 6 10 2 0 0 4 0 0 0 0 0 6 3 0 0 64
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5 4 6 10 2 0 0 4 0 0 0 0 0 6 3 0 0 64 3
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5 4 6 10 2 0 0 4 0 0 0 0 0 6 3 0 0 64 3 2
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5 4 6 10 2 0 0 4 0 0 0 0 0 6 3 0 0 64 3 2
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510 x 46 = 23,460
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357 x 8 Can you do this?
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3 8 57
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3 8 57 2 4 4 0 5 6
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3 8 57 2 4 4 0 5 6 6 58 2
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357 x 8 = 2,856
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Try this one! 21 x 94
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2 1 9 4
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9 4 0 9 1 8 0 4 0 8
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9 4 0 9 1 8 0 4 0 8 4 7 9 1 1
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21 x 94 = 1,974
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