The powerpoint attached below is powerpoint lesson on Reflections and Rotations (a two-day ppt).
Slides of note:
Slide 4 is a “selfie” I took the morning before the lesson to illustrate reflections in mirrors and how they relate to coordinate planes–equidistant, perpendicular. The students loved it. If you want to get really carried away, you can even show that #selfie music video on youtube, though it may be inappropriate for underclassmen.
Slide 15 depicts the rotating moon and how we always see the same face–similar to when figures rotate around the origin in a coordinate plane. We never see the backside of the moon which is coated in craters. Yet moon’s view of us is forever changing because we aren’t rotating around it.