The Size of Shapes
Side Lengths and Areas of Squares

Lesson 2
Side Lengths and Areas 
Lesson 3
Rational and Irrational Numbers 
Lesson 4
Square Roots on the Number Line 
Lesson 5
Reasoning About Square Roots
The Pythagorean Theorem

Lesson 6
Finding Side Lengths of Triangles 
Lesson 7
A Proof of the Pythagorean Theorem 
Lesson 8
Finding Unknown Side Lengths 
Lesson 9
The Converse 
Lesson 10
Applications of the Pythagorean Theorem 
Lesson 11
Finding Distances in the Coordinate Plane