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RM62
       II  Co-ordinates  II  II  II  II  II  II  II  II  4b:26



           OJ   This  grid shows half of a  symmetrical              [gJ  Complete this table.

                shape and a  mirror line.
                a  Label  the reflection  of each point.                   left half          right half
                b  Join the points to complete the shape.
                                                                      point  co-ordinates  point co-ordinates

                                                                      Al      (4, b)      A2      (6, b)
                               A'r----L   A2
            6  '--- .        I       I    T            ~    I
                                      j                 I             8                   8
                      C,                  I                             1                   2
            5                        I             ,        ,
                        ~I                           +                C                   C
            4   ~                ~+f                    I   --+----     1                   2
                            1°'                                       °1                  °2
            3           /E,          I
                      F,             I  I   I                         El                  E2
            2                        I                  I   -  -
                                  G,   I  I
                                     j                                Fl                  F2
            1  I-       -                 >.                --
                               H,    I
                                     I                                G 1                 G 2
             0
                   1  2     3   4    5    6   7    8   q   10         HI                  H2


          [!]  Write any number patterns you  notice in  the co-ordinates for the
                left and right halves.

          --------------       -------------------------   --------------------------     -------- - - --------------
          -- ----  -- -- -------- - -------------------- -----------  ----------------------- -  - ---- - - -

          ~                                                          ~
                                                                          Complete this table.
                Reflect this shape in  the mirror line
                and  label  the points.
                                                                         lower shape        upper shape

            8               ,.                  -  -                  point  co-ordinates  point  co-ordinates

            7                                      -                  Al     (\,2J        A2

                   .A2                                                8                   8
            6                                                           1                   2
                                                                      C                   C
            5                             .                             1                   2

            4   --~                             ----                  °1                  °2
                             B,       0,
            3                                                         El                  E2
                 A,
            2                                                         Fl                  F2
                                 C,       /E,
             1  -  -                                                  G 1                 G 2
                        G,                 F,
                                                    ..
             0     1    2   3    4   5    6   .7   8        ~
                                                                 Write any number patterns you
                                                                 notice in  the co-ordinates.

          -----------------             --------------------------------- --  -- ---------------------------------------------
          ----------    - -------------------------------------     ----------------------------  - - -------- - - - ------

                                                              Exploring patterns in co-ordinates reflected in
         Name                                                 mirror lines.

         Date
       © 1994 HarperCollins Publishers STEPS 4b
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