This Math Shorts episode explains the term "reflection", and provides several examples that demonstrate the concept.

This video was made for the PBS Learning Media library, thanks to a generous grant from the Corporation for Public Broadcasting. It was produced in collaboration with Utah Education Network.

Common Core State Standards:
CCSS.Math.Cont.8.G.A.4 ( Grade 8 ): Understand that a two-dimensional figure is similar to another if the second can be obtained from the first by a sequence of rotations, reflections, translations, and dilations; given two similar two-dimensional figures, describe a sequence that exhibits the similarity between them.

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