Multiplication of Any Number By 9

Here , Is Something I found Interesting….
You May Think it is Simple … What Great in it?

Step1 :-Spread your two hands out and place them on a desk or table in front of you.
Step 2:–  To multiply by 7 , fold down the 7th  finger from the left. To multiply by 3, it would be the 3rd finger , similarly for others
Step 3 :-Result is 63 …
             READ it from the 6 fingers on the left of the folded down finger and the 3 fingers on the right of it.

  Now if u need to multiply any number between 1 to 20 by 9.

Let’s look at an example to understand.
   13 ×9 =?
First of we will reduce the problem as follows.
       13  =10+3
Step 1 :- 10 ×9
                Close the 10th finger and count the no of fingers on left of folded finger and no of fingers on right of folded finger we get 9/0 =90

Step 2 :- Now we need to get 3 ×9 =?
                   Follow the step 1 similarly , we get 2 /7  
Step 3 :- Add the two partitioned numbers we get as
     =(9+2)/ (0+7)
Therefore ,13×9 =117.
It is interesting!!!

Some Might Say It is not useful…It just one method to compute..Hope u liked It..!
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Posted by Praveenkumar P K


About Praveenkumar P Kalikeri

ABOUT US Hey,Thanks for dropping by .First I would like to Appreciate for your love towards the Mathematics Subject. My name is Praveenkumar Kalikeri. I'm an Engineering Student from Karnataka , India. My Passion for Mathematics , encouraged me to start this blog . I Started loving the Mathematics subject from my schooling days.I was greatly motivated by teachers, parents who always helped me .        Numbers have Beauty !! They fascinated me .. As we all know best method to try out something new is to study old theories , concepts , its drawbacks, etc. I ,myself Started learning Vedic Mathematics at age of 15. Here , I will share vedic maths tricks learned and modified by me in simple manner which will be useful in various competitive exams. "If You Believe , You Can Do".
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One Response to Multiplication of Any Number By 9

  1. pratik says:

    Mast le…

    Liked by 1 person

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