Transformation - Reflection: Lesson

This Transformation - Reflection: Lesson video also includes:

Looking into a mirror is not the same on a coordinate plane. A portion of an extensive playlist on basic geometry provides the rules to find the coordinates of points after a reflection over one of the axis. Using the rules, the video works a couple of examples, along with a reflection across a vertical line.

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CCSS: Adaptable
Instructional Ideas

  • Use a Mira to demonstrate reflections
  • Challenge the class to come up with rules to reflect over the line y = x
Classroom Considerations

  • Assumes individuals have a solid foundation in graphing on the coordinate plane
Pros

  • Links to other reflection resources
  • Uses different colors to denote the image before and after the transformation
Cons

  • None
Common Core