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    E:\Working\Brother_Education\Foundational_Stage_Maths-2_(11-09-2024)\Open_Files\Chap_03
                   \ 02-Nov-2023  Bharat Arora   Proof-1                                    Reader’s Sign _______________________ Date __________

                  Step 2.  Subtract the tens.                                          t    O       Subtract the

                             4 tens are left.                                          4    12    ones first, then
                                                                                                    subtract the
                             So, 4 – 3 = 1 ten                                         5    2           tens.

                             Write 1 in the tens column.                           –   3    6
                                                                                       1    6
                             Thus, 52 – 36 = 16

                  example 2: Find: (a) 82 – 48                (b)  71 – 59

                  Solution: (a)         t    O                (  b)     t   O             Think and Answer

                                        7    12                         6   11          1.  What is 3 tens less
                                        8    2                          7    1              than 70 ones?
                                    –   4    8                      –   5    9          2.  What is the number

                                        3    4                          1    2              just after 95 – 52?

                             Thus, 82 – 48 = 34                    Thus, 71 – 59 = 12

                           Practice Time 3C

                  1.  Find the difference.

                        (a)      t    O          (b)      t    O         (c)       t    O         (d)       t    O
                                 4    5                   3    0                   2    7                   4    0

                             –        8               –        4               –        9               –        5

                  2.  Subtract the following.

                        (a)      t    O          (b)      t    O         (c)       t    O         (d)       t    O
                                 6    0                   6    1                   4    0                   9    0

                             –   2    5               –   4    4               –   1    8               –   2    1

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

                                 2    5                   5    1                   5    2                   7    2
                             –   1    6               –   1    7               –   2    8               –   2    4

                  58                                                                                     Mathematics-2

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