Multiplication by 11 through a special method

ittech By ittech, 2nd Jan 2012 | Follow this author | RSS Feed | Short URL http://nut.bz/1u7yv5ij/
Posted in Wikinut>Business>Accounting & Finance

If in the process of addition, you get a two digit number, set down only the right digit and carry the left digit.

The process

Qs. 134 * 11=?

Write down the answer one figure at a time, from right to left as in any multiplication. Prefix a zero to the multiplicand so that it reads 0134.

0134

To the right digit 4 add its right neighbor (right neighbor is the right) , there is no neighbor in the right so add 0.

4+0 = 4

To the right digit 4 add its right neighbor 3 so

4+3=7

To the next digit 1 right neighbor is 3 So,

3+1=4

To 0 the right neighbor is 1 so,

0+1=1

So, therefore, 134*11= 1474


0134*11=
4
7
4
1
= 1474


Another example

3456 into 11=

3 80 16

If in the process of addition, you get a two digit number, set down only the right digit and carry the left digit.

You can check it through yours conventional method.

Tags

Mathematics, Quick

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Comments

author avatar Mikey.
3rd Jan 2012 (#)

Very interesting.

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author avatar ppruel
3rd Jan 2012 (#)

You're genius dude. Interesting share. I also love numbers.

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author avatar Buzz
3rd Jan 2012 (#)

My spirit for numbers is willing but my mind is weak...lol

Thanks, ittech.:)

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author avatar Jules, The Cowboy
4th Jan 2012 (#)

that's why there is "tech" in ittech

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author avatar LOVERME
5th Jan 2012 (#)

''WE ALL ARE JUST PASSERS BY
AS TIME PASSES US ALL BY''
HAPPY NEW YEAR
THIS YEAR 2012
ENDS THE MAYAN CALENDAR
AND THE JULIAN CALENDER ALONE.
SHALL SURVIVE
AS IT IS SCIENTIFIC REALITY

Each morn I arrive,
At my last resting place,
To place a flower
Upon my face
And
Feel enamored,
All friends my steps,
Do still trace
And
Continue to read on
Still with grace

Am I the Shakespeare?
Who, once was!!!

BUT strangulated
BY THIS WIKINUT SITE UNFAIR .INJUSTICE...
NOT TO ME
BUT TO MY READERS

PLEASE NOTE… let not others... try to over shadow your works...
By posting lengthy ones...ON YOURS...
This is a rat, eat rat, world today...

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author avatar Md Rezaul Karim
5th Jan 2012 (#)

Good at math!

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author avatar Ivyevelyn, R.S.A.
5th Jan 2012 (#)

Hmmm! I will look over this later on, but I am not disputing what you say, ittech!

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author avatar Denise O
10th Jan 2012 (#)

Math is not my thing at all. Nice read. Thank you for sharing.:)

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author avatar ittech
15th Jan 2012 (#)

GR8 presentation

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