Master Teacher lessons

Big Idea:
Similar triangle proofs, made easy and understandable!

Big Idea:
Similar or not similar? That is the question!

Big Idea:
Students discover the patterns involved in a 30-60-90 triangle.

Big Idea:
Students use the results of the previous lesson to investigate common Pythagorean triples.

Big Idea:
Students work on proving hypotheses – and end up proving the Pythagorean Theorem.