01

Tilted Squares

Lesson 1: The Areas of Tilted Squares

02

From Squares to Roots

Lesson 2: Side Length and Areas 

04

Root Down

Lesson 4: Reasoning About Square Roots

06

The Pythagorean Theorem

Lesson 6: Exploring Squares in Right Triangles

07

Pictures to Provie It 

Lesson 7: A Proof of the Pythagorean Theorem