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3 Points =
The student is able to complete the task on his/her own. He/she
creates a correct proportionate drawing, including grid on picture,
appropriate ratio scale and an enlargement of the picture. When comparing
and contrasting the picture and its enlargement, the student mentions that
the enlargement is similar to the original. He/she knows the figure's dimensions
are in the same ratio as the scale used on the grids and the area of the
enlargement is equal to the square of the scale ratio. The work is neat and
pleasing to the eye.
2 Points = The student is able to complete the
task, but needs some assistance from others. He/she creates a drawing, but
has minor errors or omissions. The student, however, is able to correct the
errors when they are pointed out to him/her. He/she knows the enlargement
is similar to the original, but is
unable to compare their sizes using the scale ratio. The work is a little
off and not as neat as it might
be. He/she does, however, color it in an attempt to make it pleasing to the
eye.
1 Point = Even with assistance the student is unable to complete the
task. His/her work demonstrates a lack of understanding of the concepts
involved in the task. The student's enlargement is crude and not
pleasing to the eye. He/she does not compare/contrast the original with the
enlargement. The student
colors the enlargement, but it is poorly done.
0 Points = The student makes no attempt to complete
the task and shows no understanding of the concepts needed to perform the
task.
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