Six Powerpoint lessons on reasoning and begining proofs. I use the presentations to introduce the lesson and give some examples and/or practice pro... ByDon Sherwood
PowerPoint presentations covering seven sessions on parallel and perpendicular lines problems. I use them to present a topic to my class and give t... ByDon Sherwood
Six Powerpoints presentations on basic introductory geometry topics. Lots of powerpoint animation. Powerpoints can be adapted or added to for your ... ByDon Sherwood
Triangles:48 slide power point includes defining and classifying triangles. Presentation on how triangles can be found congruent (SSS, ASA, SAS, AA... ByDon Sherwood