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    E:\Working\Focus_Learning\Math_Genius_2_(09-10-2023)\Open_Files\Chap_04
                   \ 17-Nov-2023  Bharat Arora   Proof-6                                    Reader’s Sign _______________________ Date __________

                  3.  A vendor bought 711 soft-drink bottles. He sold                      H t O

                       217 of them. How many bottles were not sold?                     –
                       Answer: __________________

                                4.  Ankit bought 350 sweets for his birthday. He distributed                     H t O

                                     313 sweets among his friends. How many sweets were

                                     left?                                                                    –
                                     Answer: __________________

                  5.  Team A scored 389 runs and Team B scored 285                         H t O

                       runs in a test match. How many more runs were
                       scored by Team A than Team B?                                    –

                       Answer: __________________

                  checking suBtrAction using Addition

                  We have learnt checking subtraction by using addition for 2-digit numbers. We do

                  the same for 3-digit numbers.
                  example:

                                                      Check:

                              H    t    O                 H    t    O
                                   2    15                     1
                              4    3    5                 2    2    8

                          –   2    0    7             +   2    0    7
                              2    2    8                 4    3    5          Thus, the answer is correct.

                         Life Skills
                     After distributing 347 packets of food in a Flood Relief Camp, 168 packets are left with
                     an NGO. How many packets were there at the beginning?
                     How would you help the needy people who live in your locality? Discuss with your teacher.

                  Mathematics-2                                                                                          83

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