Page 244 - SK Year 5 Mathematics DLP
P. 244

Horizontal distance and vertical distance between two coordinates

               The Cartesian plane shows the interior of Rashwin’s home.

                 a   What are the horizontal distance and vertical distance
                    from the kitchen to room 2?
                            y


                          6
                                                  toilet (4, 6)
                                                                         room 2 (6, 5)
                          5
                                     room 1 (2, 5)
                          4
                                                                                   Start moving from
                                                                                     the kitchen and
                          3                                                          stop at room 2.
                                       living room (3, 3)                 5 units

                          2


                          1
                      dining area
                          (0, 1)                                         x
                          O       1      2      3      4      5      6
                                               kitchen  (4, 0)

                                                           2 units


                   To go to room 2         Place                  Distance from origin
                   from the kitchen,                  Horizontal distance       Vertical distance
                  move 2 units to the     kitchen            4 units                  0 unit
                 right and 5 units up.
                                          room 2             6 units                 5 units

                                        the difference

                                        of distances          6 units – 4 units = 2 units

                                                     the difference
                                                     of distances          5 units – 0 unit = 5 units

                                       The distance from the kitchen to room 2 is
                                       2 units horizontally and 5 units vertically.
                                           Rashwin wants to go to the toilet from the
                                      living room. Describe the distance he has to travel.

             236                     • Emphasise the importance of the starting and ending points to
                               7.1.1
                                       determine the exact horizontal distance and vertical distance.
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