I finally got my class schedule today (yes, class starts in 6 days), and apparently I'm teaching 3 Geometry classes. Which is fine, but all summer I was told I was teaching only Algebra and Algebra was all I prepped for...so I'm trying to pull a lot of things together quickly! I've never taught Geometry before, and am mostly wondering if anyone has any great ideas on how to keep all those postulates/theorems organized, understandable, and easy to recall at the needed times. As a student, I personally struggled with formal proofs, so I really want to find a way to make them more understandable for my students. So, Geometry people: any advice? Do you let them use postulates/theorems notes on quizzes and tests, or do you make them memorize them? Any help in anything related to teaching geometry will be VERY VERY appreciated!!