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E:\Working\Orange_Education\TouchPad_Maths_4\Open_Files\Chap_02\Chap_02
                 \ 12-Nov-2025  Bharat Arora   Proof-8                                    Reader’s Sign _______________________ Date __________









                            Exercise 2A


                    1.  Fill in the blanks.

                       a.  _____ + 499 = 500                               b.  999 + _____ = 1000


                       c.  2436 + 0 = _____                                d.   _____ + 5364 = 5364
                       e.  1796 + _____ = 1796                              f.  _____ + 1 = 10000


                       g.  345 + 246 = _____ + 345                         h.  _____ + 2736 = 2736 + 4021

                   2.  Add the following numbers:


                       a.       3    1   2   0         b.           3   7    2   1     c.      2    3   4    4   0
                                2   3   0    3                      2   0    4   3             3    2   1    2   4
                             + 3    0    4   2               + 5    1    1   2   0          +   1   1   3    3   3




                   3.  Write in the columns and find the sum.

                       a.  2130 + 4225                 b.  32032 + 10114               c.  45321 + 21020 + 13345

                   4.  Find the sum.


                       a.       1 9 6 3                b.       4 5 7 9                c.         2 6 8 4
                             + 2 4 0 7                       + 3 8 9 6                      +     7 8 9 8




                       d.         4 5 6 9              e.       1   3   2    4   5     f.       2    9   9   8   5
                             +    9 9 9 9                    + 3    9    1   8   5          +   3    7   5   3   8






                       g.        4   2   3 6           h.       4   2   5    7   2     i.      6    4   8    9   6
                                 5 6 4       3                  3   0   8    3   4              1   3   3    7   6

                           +     6 2     7 0                 + 1    3   9    6   7          +   1   2   4    8   5




                  5.  Write in the columns and find the sum. Check your answer by adding up.

                       a.  3245 + 7567                                   b.  7395 + 6426
                       c.  45656 + 16378                                 d.  9999 + 88888



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