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                     \ 10-Nov-2025  Bharat Arora   Proof-8                                    Reader’s Sign _______________________ Date __________

                            2

                                                                      Addition

                                                                                and

                                                              Subtraction

                        LEARNING ObjEctIvEs

                         After studying this chapter, students will be able to...
                            y  add numbers with up to 5 digits with regrouping
                            y  understand the properties of addition

                            y  subtract numbers with up to 5 digits with regrouping
                            y  understand the properties of subtraction
                            y  estimate the sum and difference
                            y  apply the concepts of addition and subtraction to solve real-life problems

                                                                                                       21 st
                                                                                                     Century   #Subject Enrichment
                                                                                                      Skills
                        Warm Up                           A Visit to a Book Fair

                       A book fair is a great event for all book lovers. The National
                       Book  Fair is  organised  by  the  National  Book  Trust every
                       year. It is held at Pragati Maidan in New Delhi.

                       Recently, a book fair was held in the city. The number of visitors
                       in different sections in the first two days was as follows:

                                                        Number of Book Fair Visitors
                         Sections         Fiction      Language       Children's Books Non-fiction           Stationery

                        Weekdays
                         (Mon-Fri)         528             840                710                 712            425

                         Weekend
                         (Sat-Sun)         1020            1245              1540                984            1628

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                                                                                        Addition and Subtraction

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