Lesson contains an introduction to Triangle Proof. Useful diagrams show Side Angle Side, Side Side Side, and Angle Side Angle congruency theorems. It provides examples based on diagrams and gives kids examples to practice. Contains movable gray outlined boxes which hide then reveal important information when moved. Classwork and Homework problems suggested in the lesson are from Amsco's Geometry text.
Print out this lesson as a Handout ("Print as Handout" in print option of SMART Notebook) and distribute to class as skeleton of the notes. Move boxes so kids can copy down relevant information on the notes.