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    E:\Working\Brother_Education\Preparatory_Stage_Maths-3_(11-09-2024)\Open_Files\CHAP_07
                 \ 02-Nov-2023                      Sonia Suyal   Proof-1                     Reader’s Sign _______________________ Date __________

                                       Learning by Doing

                  Objective: To form different shapes by joining the pieces of a Tangram.

                  materials required: Card paper, scale, pencil, a pair of scissors.

                  Procedure:

                          Take a piece of card paper and cut a square of size 8 cm by 8 cm from

                          it.

                          Draw three horizontal lines and three vertical lines on it at equal gaps

                          with the help of a pencil and scale, so that 16 small squares are
                          formed inside the big square.

                          Draw one complete diagonal and one incomplete diagonal of a big

                          square, as shown here. Then draw one square and one triangle using

                          these diagonals (shown in red colour). Extend one side of square as
                          shown here.

                          Cut the big square into 7 pieces (tans), as shown below. You can use
                                                                                                              3       4
                          different colours for each piece.                                                        6
                                                                                                                5
                                                                                                             7         2

                                                                                                                 1

                          Arrange these pieces of the Tangram to form different shapes.

                       For example,

                                   Horse               Rabbit                                     Cat

                  Mathematics-3                                                                                         129

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