Page 35 - Math Skill - 2
P. 35

Subtraction of 2-digit Numbers                                                                          33


        Subtraction

        Subtraction  means  taking  away  a  smaller                                 3 5            Minuend

        number from a larger number. The larger                                  – 1 2              Subtrahend
        number  is  called  the  minuend  and the                                    2 3

        smaller number is called the subtrahend.                                                    Difference


        ‘–’ (minus) is the sign of subtraction.                               Fact-o-meter

        The answer of subtraction is known                                 In  subtraction,  we  always
                                                                           write greater number above
        as difference.                                                     the smaller number.


        Subtraction without Regrouping


        Subtract 14 from 36.


                                                                                                         T O

        To subtract 14 from 36,                   36                                                     3     6

        we can use blocks.                                                                         –     1     4









        Subtract the ones.                                                                               T O

        Cross out 4 ones blocks                                                                          3     6

        to subtract.                                                                               –     1     4

        6 ones – 4 ones = 2 ones                                                                               2






        Subtract the tens.                                                                               T O

        Cross out 1 tens block                                                                           3     6

        to subtract.                                                                               –     1     4

        3 tens – 1 ten = 2 tens                                                                          2     2



        So, 36 – 14 = 22
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