### Equations in One Variable

#### Lesson 1

Tape Diagrams and Equations#### Lesson 2

Truth and Equations#### Lesson 3

Staying in Balance#### Lesson 4

Practice Solving Equations and Representing Situations with Equations#### Lesson 5

A New Way to Interpret a over b

### Equal and Equivalent

#### Lesson 6

Write Expressions Where Letters Stand for Numbers#### Lesson 7

Revisit Percentages#### Lesson 8

Equal and Equivalent#### Lesson 9

The Distributive Property, Part 1#### Lesson 10

The Distributive Property, Part 2#### Lesson 11

The Distributive Property, Part 3

### Expressions with Exponents

#### Lesson 12

Meaning of Exponents#### Lesson 13

Expressions with Exponents#### Lesson 14

Evaluating Expressions with Exponents#### Lesson 15

Equivalent Exponential Expressions