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Monday, November 25, 2019

TWO DIGIT MULTIPLICATION TRICK

Traditional Method of doing Multiplication

                      Example : Multiply  23 x 12

   23
 x12
----------
   46
  23x
--------------- 
  276
-----------------

SIMPLIFIED VERSION
Vertically & Cross Method,  

We can write the answer straight away.
The symbol of vertical and cross method is given below
I X I
Let’s learn how to apply this method 
    I   means   Multiply Left Hand Side nos.  2 x 3 = 6
    X   means   Multiply 2 & 2 = 4 and 3 & 1 = 3, then add 4 + 3 = 7
    I   means   Multiply Right Hand Side nos. 2 x 1 =2

  23
x12

  276