High School Geometry blog post - Adding a step to my sequence of lessons for introducing geometry proofs made a huge difference!! Free downloads for your classroom
Unit 2: Reasoning & Proofs ~ Teaching Two-Column Proofs in High School Geometry
When one math teacher noticed key parts of the proof-writing process were missing from textbooks, she took it upon herself to develop her own process.
☆ Practice with Geometry Proofs | Congruent Triangles & CPCTC
11 Tips for Teaching Geometry Proofs
Introductory Geometry Proofs Task Cards - you could do lots of activities with these cards
Introducing Geometry Proofs - A New Approach - Math Giraffe
Math Dyal - Scaffold students Geometry Proof writing with this fun activity - a crossword puzzle. Each puzzle has two proofs to complete with statements and reasons that become the crossword clues.
Triangle Congruence Proofs Book | Mrs. Newell's Math