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    D:\Working\TouchPad_Maths\TouchPad_Maths_1\Open_Files\Chap_04\Chap_04
                   \ 17-Nov-2025     Surender Singh Rothan   Proof-7                           Reader’s Sign _______________________ Date __________

                SubtrACting A number from itSelf

                Alka has 3 apples. She eats all three apples. How many
                apples are left?

                Clearly, 0.

                So, 3 – 3 = 0

                Similarly, 8 – 8 = 0, 9 – 9 = 0 and so on.
                When we subtract a number from itself, the answer is zero (0).

                            Exercise 4B

                  1.  Subtract 0.

                        a.   6  –  0  =                 b.    9  –  0  =                c.     7  –  0  =

                        d.   8  –  0  =                 e.    5  –  0  =                f.     2  –  0  =

                        g.   12  –  0  =                h. 16  –  0  =                  i.   19  –  0  =

                  2.  Subtract 1.

                        a.    9  –  1  =                b.     7  –  1  =               c.      8  –  1  =

                        d.    6  –  1  =                e.     5  –  1  =               f.      3  –  1  =

                        g.   13  –  1  =                h.    15  –  1  =               i.   20  –  1  =

                  3.  Subtract the number from itself.

                        a.    5  –  5  =                b.     6  –  6  =               c.     8  –  8  =

                        d.    1  –  1  =                e.     9  –  9  =               f.    17  –  17 =

                        g.   14  –  14 =                h.   13  –  13 =                i.   19  –  19 =

                       56        Mathematics 1

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