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## #1 2009-06-28 07:52:35

soroban
Member
Registered: 2007-03-09
Posts: 452

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## #2 2009-06-28 10:14:27

JaneFairfax
Member
Registered: 2007-02-23
Posts: 6,868

### Re: Peasant Multiplication

Yep, I think I know why this works. You simply convert the number to be halved into base 2, which is a sum of powers of 2. When you multiply by the other number, its equivalent to multiplying each term in the sum by the other number and adding up.

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## #3 2009-06-28 11:54:34

soroban
Member
Registered: 2007-03-09
Posts: 452

### Re: Peasant Multiplication

Yes, you got it, Jane!
And a very nice explanation, too . . .

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## #4 2009-07-17 00:33:12

nirzhor
Member
Registered: 2009-07-17
Posts: 1

### Re: Peasant Multiplication

really this is cool.i have collected some cool technique to multiply but i want to know more.my collection is not a huge one but i want to make it huge so please help me sending cool math trick to me  (nirzhorahmad@gmail.com)
you can watch my collection at http://funmath123.blogspot.com/
visit the site and throw your comment

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