Multiply by 11 Trick
A faster way to multiply by 11
Multiply by 11 faster than before. No need for a calculator!
Credit: Tony Coffee
Copyright: Tony Coffee
Published by Bulletbutter
http://twitter.com/bulletbutter Learning has to be my most favorite thing to do. Computers come in a close second, mostly because that is the tool I use to do most of my learning. Trying to get my website... View profile
1 Comments
Post a Comment49*11= 539
multiply the number being multiplied by 11 , by 10 then add that number to the result.
soo
49*10=490+49=539
22*11=
22*10=220+22=242
multiplying by 10 is easy adding the number to the result is easy too