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    E:\Working\Orange_Education\Math_Genius_2\Open_Files\Chap_04
                   \ 26-Sep-2025  Bharat Arora   Proof-10                                   Reader’s Sign _______________________ Date __________

                  2.  Subtract the following in your notebook.
                       (a) 935 – 86            (b) 576 – 487             (c) 321 – 195           (d) 426 – 277

                       (e) 563 – 275            (f) 630 – 482           (g) 434 – 79             (h) 500 – 207

                  suBtrAction stories

                  Example 1: Abdul, a balloon seller had 345 balloons. He sold 234
                  of them. How many balloons are left with him?

                  Solution:                                              H    t    O

                                  Total number of balloons =             3    4    5
                                                 Balloons sold =     –   2    3    4
                                                  Balloons left =        1    1    1
                                  Thus, 111 balloons are left with him.

                  Example 2: A theatre has 550 seats. One day, 489 people saw a movie. How many
                                  seats were vacant?

                  Solution:                                       H    t    O
                                                                  4   14 10
                                      Total number of                  4

                                  seats in the theatre =          5    5    0
                                       Seats occupied =       –   4    8    9
                                       Seats vacant      =        0    6    1

                                  Thus, 61 seats were vacant.

                           Practice Time 4G

                  Solve the following story sums.

                                                                                      H t O
                  1.  There were 152 carrots in a basket. 80 of them

                       were eaten. How many carrots were left?
                       Answer: __________________                                  –

                                                                                                                 H t O
                                     2.  568 children went for a picnic. 321 of them were
                                         girls. How many boys were there at the picnic?

                                         Answer: __________________                                           –

                  82                                                                                    Mathematics-2

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