Page 113 - STEPS MATHEMATICS 4A
P. 113

Scale
     Here  are three  pencils shown  actual size.
     This  is sometimes called  a  1  to 1  scale.             1  cm    represents       1  cm













                                                                            Think  about  the  length
                                                                                and the  width.
             Decide the best way to draw them half-scale.


     Sometimes objects are drawn  bigger                                     Scale
     than they really are so that you  can                                represents     1  cm
     see the small  details.                                   2  cm
     Here  are some caterpillars shown  double their size.
     This  is  sometimes called  a  2  to  1  scale.
                                                                               double-   real  real
            Copy and  complete this table for each  one.                   lor seme












                         Swallowtail  Butterfly
                                                                            Cinnabar Moth

                                                   Small  Copper Butterfly




         Wood White Butterfly
                                                           Feathered Thorn  Moth


         CHALLENGE

         Find  some objects > 5cm  long.  Draw them  using  a  scale of 2 to 1



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