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

                         13

                                                                               Data

                                                                     Handling

                     LEARNING ObjEctIvEs

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

                         y  represent data using pictographs
                         y  read and interpret pictographs
                         y  represent data using bar graphs
                         y  read and interpret bar graphs

                                                                                             21 st
                                                                                            Century   #Inter-disciplinary
                                                                                             Skills
                     Warm Up
                                                              Our Earth

                   We all live on the planet Earth and get everything we need for life from it. So, it

                   is our responsibility to protect Earth to ensure that our future generations can
                   survive.

                   On Earth Day, the students of class

                   4 were asked  to  prepare  some
                   projects on saving the environment.
                   The teacher found that the students

                   had chosen five different topics. The
                   table given on the next page shows
                   the topics chosen by the students for

                   their projects.

                      208        Mathematics 4

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