Lesson Plan: Dilation: Negative Scale Factors Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to dilate shapes about a center of dilation by negative scale factors, fractional numbers, and whole numbers and describe dilations.


Students will be able to

  • dilate a shape about a center of dilation by a negative scale factor (integer or fraction),
  • determine the center of dilation and its scale factor given a shape and its image by the dilation.


Students should already be familiar with

  • dilations by positive scale factors.


Students will not cover

  • combination of transformations.

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