Multiply large numbers Length 2:24
Curated 6/25/07
Updated 1/10/11
Hosted by metacafe.com
Creator's Site www.metacafe.com/channels/Akahad

This video demonstrates, without narration, a trick to multiplying large numbers. To do the trick, just draw a diagonal line for every unit in the number and add up the number of times the lines cross.

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Comments

+1
angua 1/15/09 11:57 AM
thats all fine and well if you multiply equal ammounts of numbers. now what if they are different, say 569 x 73? it doesnt form the same type of grid and i am lost as to which crossing places you add up.
+1
Lana 10/5/09 9:28 PM
dont get weird
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