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    E:\Working\Focus_Learning\Math_Genius_1_(05-10-2023)\Open_Files\08_Chap_7\Chap_7
                   \ 11-Sep-2024  Bharat arora   Proof-6                                    Reader’s Sign _______________________ Date __________

                  Example 3: Find 87 – 34.                              Example 4: Find 97 – 26.
                  Solution:                                             Solution:

                          tens Ones                 tens Ones                  tens Ones                 tens Ones

                            8      7                  8     7                     9     7                  9     7

                        –   3      4             –    3     4                –    2     6             –    2     6

                                   3                  5     3                           1                  7     1

                  Thus, 87 – 34 = 53                                    Thus, 97 – 26 = 71
                           Practice time 7f

                  1.  Subtract the following.

                       (a)     tens Ones        (b)      tens Ones       (c)      tens Ones      (d)       tens Ones

                                 7      8                  5     6                   7     9                 7      6
                             –   6      2             –    3     0              –    1     7             –   3      3

                       (e)     tens Ones        (f)      tens Ones       (g)      tens Ones      (h)       tens Ones

                                 6      4                  8     8                   6     7                 5      3

                             –   2      1             –    2     7              –    3     4             –   4      3

                  2.  Write the numbers in columns and subtract.

                       (a) 48 – 16             (b) 75 – 24               (c) 89 – 62             (d) 73 – 42

                              tens Ones                tens Ones                tens Ones                tens Ones

                            –                        –                        –                        –

                       (e) 45 – 21              (f) 61 – 11             (g) 72 – 21              (h) 58 – 36

                              tens Ones                tens Ones                tens Ones                tens Ones

                            –                        –                        –                        –

                  Mathematics-1                                                                                         111

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