Some Vedic Math Tricks

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Tutorial 1

Use the formula ALL FROM 9 AND THE LAST FROM 10 to perform instant subtractions.

• For example 1000 - 357 = 643 We simply take each figure in 357 from 9 and the last figure from 10.
  
  So the answer is 1000 - 357 = 643
  And thats all there is to it!
  This always works for subtractions from numbers consisting of a 1 followed by noughts: 100; 1000; 10,000 etc.
• Similarly 10,000 - 1049 = 8951
  
• For 1000 - 83, in which we have more zeros than figures in the numbers being subtracted, we simply suppose 83 is 083. So 1000 - 83 becomes 1000 - 083 = 917

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Tutorial 2

Using VERTICALLY AND CROSSWISE you do not need to the multiplication tables beyond 5 X 5.

• Suppose you need 8 x 7 8 is 2 below 10 and 7 is 3 below 10.
  Think of it like this:
  
  The answer is 56.
  The diagram below shows how you get it.
  
  You subtract crosswise 8-3 or 7 - 2 to get 5,
  the first figure of the answer.
  And you multiply vertically: 2 x 3 to get 6,
  the last figure of the answer.
  That's all you do:
  See how far the numbers are below 10, subtract one
  number's deficiency from the other number, and
  multiply the deficiencies together.
• 7 x 6 = 42
  
  Here there is a carry: the 1 in the 12 goes over to make 3 into 4.

Here's how to use VERTICALLY AND CROSSWISE for multiplying numbers close to 100.

• Suppose you want to multiply 88 by 98.
  Not easy,you might think. But with
  VERTICALLY AND CROSSWISE you can give
  the answer immediately, using the same method
  as above.
  Both 88 and 98 are close to 100.
  88 is 12 below 100 and 98 is 2 below 100.
  You can imagine the sum set out like this:
  
  As before the 86 comes from
  subtracting crosswise: 88 - 2 = 86
  (or 98 - 12 = 86: you can subtract
  either way, you will always get
  the same answer).
  And the 24 in the answer is
  just 12 x 2: you multiply vertically.
  So 88 x 98 = 8624

This is so easy it is just mental arithmetic.

Multiplying numbers just over 100.

• 103 x 104 = 10712 The answer is in two parts: 107 and 12,
  107 is just 103 + 4 (or 104 + 3),
  and 12 is just 3 x 4.
• Similarly 107 x 106 = 11342 107 + 6 = 113 and 7 x 6 = 42
• Check out more on following website

http://vedicmaths.org/introduction/tutorial/tutorial.asp