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    E:\Working\Brother_Education\Foundational_Stage_Maths-2_(11-09-2024)\Open_Files\Chap_04
                   \ 02-Nov-2023  Bharat Arora   Proof-1                                    Reader’s Sign _______________________ Date __________

                  example:  Find the sum of: 623 + 64 + 200

                  Solution:  Write the numbers in columns according to their place values and then
                                  add them.

                      H     t   O     Step 1. Add the ones.
                       6    2    3            3 + 4 + 0 = 7 ones

                            6    4    Step 2. Add the tens.                                   Get it right!
                                              2 + 6 + 0 = 8 tens
                   +   2    0    0      Step 3. Add the hundreds.                        Add 507 and 32.     H T O
                                                                                           H T O
                       8    8    7            6 + 2 = 8 hundreds                           5 0 7             5 0 7
                                                                                         +  3 2            +    3 2
                                                                                           8 2 7      7      5 3 9     3

                  Thus, 623 + 64 + 200 = 887.

                           practice time 4B

                  1.  Add the following.

                        (a)      H    t    O     (b)      H    t    O    (c)       H    t    O    (d)       H    t    O

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

                        (e)      H    t    O     (f)      H    t    O    (g)       H    t    O    (h)       H    t    O

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

                  2.  Write the numbers in columns and then add them.

                       (a) 400 + 9              (b)  126 + 52            (c)  273 + 103 + 2  (d)  260 + 14 + 5

                                 H    t    O              H    t    O              H    t    O              H    t    O

                             +                        +

                                                                               +                        +

                  Mathematics-2                                                                                          73

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