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August 11, 2020 05:39 pm GMT
Original Link: https://boingboing.net/2020/08/11/watch-this-cool-way-to-multipl.html
Watch this cool way to multiply numbers by drawing lines
This video shows you how to multiply any two numbers by drawing lines. It's known as the Japanese multiplication method.
The University of Waterloo Faculty of Mathematics published this PDF that describes the Japanese multiplication method along with the lattice multiplication method, which dates back to the 13th century.
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Original Link: https://boingboing.net/2020/08/11/watch-this-cool-way-to-multipl.html
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