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Shortcuts

Maths is Easy Magic -2

Dear frnds now we are define how these rules make easy square numbers. Before start we want remind that you learn(know)  square till no 30.
Square Rules

1- Square no. from 31-80

,
      This rules known as base 50/25
How it work—-
Example. 1 What is square of 37 ?
              
        Now 37 compare with base no 50/25
You find…  13/12
  Now …. your ans 12..  13²
                              =12+1..69(Taken last two digit only)
                              =1369
Example 2-  What is square value of 43 ?
            43² = 7² /18
(get from compare 25 ie 43-25=18 and 50-43=7)
                   =18.. 49
Your ans.     =1849

How Square no. from 81-130

                                                       (Rules -Base rule 100)

Now compare number with 100 and follow process —
Example 1- what is square value if 97 ?
      97² =  (100-97)
   Compare with 100  =  (3)
            =  97-3……3²
Your ans= 94..09(Take two digit)
              =9409
Example 2-
       113²=
              =+13
              =113+13……1..69
Your ans =12769
We sure you get it, if you feel any doubt comments me. 
Happy learning

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