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    E:\Working\Focus_Learning\Math_Genius_1_(05-10-2023)\Open_Files\03_Chap_3\Chap_3
                   \ 11-Sep-2024  Bharat Arora   Proof-6                                    Reader’s Sign _______________________ Date __________

                           Practice time 3e

                  Add the following vertically. One has been done for you.

                        1.     7            2.      5           3.     7           4.      6           5.      5

                            + 1                 + 4                 + 2                + 1                 + 3

                               8

                        6.          5       7.          6       8.          8      9.           4    10.           8

                            +       7           +       4           +       2          +        9          +       7

                  Addition oF three numberS

                  To add three numbers, first add two numbers and then add the third number to
                  the sum of the two.

                  Let us add 4, 3 and 2. First add 4 and 3 and then add 2 to the sum of 4 and 3.

                                                                                                4
                                                                                                3                   7
                                                                                            + 2                 + 2
                                4              +           3           +      2                                     9

                                               7                       +      2 = 9

                         3 + 4 + 2 = ?

                                                                                                3
                                                                                                4                   3
                                                                                            + 2                 + 6
                         3       +                   4               +        2                                     9

                         3       +                                   6        = 9

                         maths fun

                         Take  a dice. Roll it          three  times.  Note  down all  the

                         three numbers you get. Add them and write the sum.

                  46                                                                                     Mathematics-1

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