Instruction:
https://www.khanacademy.org/math/geometry-home/transformations
https://www.mathplanet.com/education/geometry/transformations/common-types-of-transformation
https://www.youtube.com/watch?v=r3lN_BADmPQ
Practice:
https://www.ixl.com/math/geometry/classify-congruence-transformations
http://www.hoodamath.com/mobile/games/transformationgolf.html
https://www.mathgames.com/skill/8.17-identify-reflections-rotations-and-translations