Amplify’d from gizmodo.com
When I first saw this Japanese multiplication method, I just couldn't believe it. Then I tried it and it works perfectly, but still can't understand how it works—or how anyone found this method.
You just need to follow the instructions in the video, and you will be able to multiply any number by any number by just counting the dots in the grid.
See this Amp at http://bit.ly/fy3Ukh
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