### 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