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    21 st
                          Activity                                                           Century   #Experiential Learning
                                                                                              Skills

                   Take a paper plate and cut its rim. Which shape do you get?

                   Mark 4 dots (points) on the boundary as shown here. Join the dots in
                   different ways to make a triangle. How many triangles can you make?
                   What type of corners do you see in the triangles?

                   Similarly, make other shapes and observe their corners.

                            Exercise 7B

                    1.  match the traced shape with its solid.

                                   Solid                                            Traced Shape

                        a.                                                       i.

                        b.                                                      ii.

                        c.                                                      iii.

                        d.                                                     iv.

                       130       Mathematics 3

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