CPALMS
Cpalms: Why Are Circles Similar?
[Free Registration/Login Required] A comprehensive lesson plan for teaching how to prove that all circles are similar by using three types of transformations.
CPALMS
Cpalms: All Circles Are Similar
[Free Registration/Login Required] A formative assessment where students are asked to demonstrate how to prove that two circles are similar. Includes downloadable worksheet and a rubric, as well as followup questions to clarify or deepen...