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Posts from ‘December, 2010’

A Neat Multiplication Trick

The following video of “Japanese” multiplication has been floating around the internet recently. [youtube]http://www.youtube.com/watch?v=e-P5RGdjICo[/youtube] I thought it might make an interesting post to explain how it works. Every part of this trick matches exactly what you were taught to do in elementary school. Check out the following example: The blue lines in the image above […]