The first lesson in my Triangle Congruence unit is about triangle theorems. This is the lesson with the Triangle Sum Theorem, the Exterior Angle Theorem, and the corollaries that follow from those theorems. This is the overall page that I would use for this lesson. This foldable is one that is available in my TpT store. I would make sure that my students wrote a few reminders off to the side of the foldable. Basically, I would have them write anything that that particular class period had...
