8.8 Pythagorean Theorem and Irrational Numbers · Lesson 7: A Proof of the Pythagorean TheoremLesson plan
Learning goals: Teacher Facing Calculate an unknown side length of a right triangle using the Pythagorean Theorem, and explain (orally) the reasoning. Explain (orally) an area-based algebraic proof of the Pythagorean Theorem. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from 8.8 Pythagorean Theorem and Irrational Numbers, Grade 8.