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    E:\Working\Orange_Education\Math_Genius_2\Open_Files\Chap_03
                   \ 26-Sep-2025  Bharat Arora   Proof-10                                   Reader’s Sign _______________________ Date __________

                            3                                                  Subtraction

                   Learning Objectives
                   Learning Objectives
                   After studying this chapter, students will be able to...

                     (   know and use subtraction facts and properties of subtraction
                     (   subtract two numbers using a number line and a 100-number grid
                     (   regroup numbers for subtraction                  (  subtract numbers without and with regrouping
                     (   check the answer of subtraction using addition
                     (   establish a relation between addition and subtraction
                     (   apply the concept of subtraction in real-life problems

                                  get reAdy!                                                                   Holistic Skills
                                                                                                      Cross-Curricular Learning
                    Ashu’s mother is making rakhis at home to sell in her shop.
                                                                                                 Yes Ashu. It promotes
                     Mummy, we are selling                                                     our local and homemade
                    homemade rakhis on this                                                         products. I have
                     Rakshabandhan. Is it a                                                     made  84 rakhis today
                      part of the 'Vocal for                                                   and 63 of them are sold.
                        Local' campaign?                                                         Can you find out how
                                                                                                 many rakhis are left?
                                             84 – 63 =
                                             21 rakhis
                                              are left.

                  Mathematics-2                                                                                          51

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