Multiplication+with+11

=__**Multiplication by 11**__= //note: the tricks on this page can be used to multiply a number with ANY NO. OF DIGITS WITH 11.//

Here is a trick which makes multiplication with 11 a very easy work. This is shown with the help of an example :

**remember: the numbers are to be written from right to left, not left to right.**

 * step 1:** Take the no. Let it be 123456.
 * step 2:** Write the last digit. So, we write 6.
 * step 3:** Now, add the last two digits.Write the last digit of the sum. here, it is 1.
 * step 4:** Continue step 3 by adding the 2nd last and 3rd last digits.If there was any first digit of the previous sum's result, add that too.So, we do 5+4+1 = 10 and write the last digit,i.e 0.
 * step 5:** Then continue with the same process until the addition of 1st and 2nd digits is completed.Then, write the 1st digit(and add the first digit of the previous sum with it).You have got the answer which is 1358016

the steps of 123456 are: step1 - 123456 step 2 - 6 step 3 - 1 step 4 - 0 step 5 - 8, 5,3,1 ans - 1358016