Page 51 - Maths Class 03
P. 51

H     T     O
               Step 1 :  Arrange  the  digits  in  their  correct
                             places.                                                                   6     4     2

                                                                                                    –  3     2     1









                H     T     O

                6     4     2                      Step 2 :  Subtract the ones first. Write the
                                                                 difference at ones place (2 – 1 = 1).
             –  3     2     1

                            1








                                                                                                       H     T     O
              Step 3 :  Subtract  the  tens  digits  now.  Write

                             the difference below the tens column                                      6     4     2

                             (4 – 2 = 2).                                                           –  3     2     1
                                                                                                             2     1








                H     T     O

                6     4     2                      Step 4 :  Now, subtract the hundreds column
                                                                 digits.
             –  3     2     1

                3     2     1                                    Write  the  difference  below  the
                                                                 hundreds column (6 – 3 = 3).







                       Know
                       Know
                       Know
            Get    to
            Get
            Get
                   to
              Difference is always smaller than one of the two numbers except when one of the
              numbers being subtracted is zero.





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