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    E:\Working\Brother_Education\Preparatory_Stage_Maths-3_(11-09-2024)\Open_Files\Chap_06
                   \ 02-Nov-2023  Sonia Suyal   Proof-1                                     Reader’s Sign _______________________ Date __________

                  one-third                                                                 1 (one-third)        1  (one-third)
                                                                                            3                    3
                  When we divide a whole thing into three

                  equal parts, each part is called one-third.
                                              1
                  We write one-third as  .
                                              3                                                             1  (one-third)
                  Here, a pizza is cut into three equal parts.                                              3
                                                       1                              1
                  Each part of pizza is one-third          of the whole. We read   as 1 upon 3 or 1 by 3.
                                                       3                              3

                  Note that three one-thirds make a whole.

                           Practice time 6a

                  1.  tick () the shapes that are divided into equal parts.

                       (a)                (b)                  (c)                  (d)                 (e)

                  2.  Colour one-half of each figure.

                       (a)                 (b)                 (c)                 (d)                (e)

                  3.  Colour one-third of each figure.

                       (a)                 (b)                 (c)                 (d)                (e)

                  4.  Draw a square and divide it into three equal parts. Mention which part represents
                       one-third.                                                                1             1

                                                                                                 4  (one-fourth)  4  (one-fourth)
                  one-fourth or quarter

                  When we divide a whole thing into four

                  equal parts, then each part is called one-
                  fourth or a quarter. We write one-fourth
                      1
                  as  .
                      4
                  Here, an apple is cut into four equal parts.                                   1  (one-fourth)  1  (one-fourth)
                                                1                              1                 4             4
                  Each part is one-fourth           of the whole. We read   as 1 upon 4 or 1 by 4.
                                                4                              4
                  Note that four one-fourths make a whole.

                  Mathematics-3                                                                                         105

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