Chapter 3: The Fundamentals of Algebra

Textbook Section 3.1:  Mathematical Expressions

Topics

1. Translating Words into Mathematical Expressions

Video Lessons

Introduction to Variables and Variable Expressions

Video Examples

Examples:  Writing Variable Expressions

Textbook Section 3.2:  Evaluating Algebraic Expressions

Topics

Evaluating Algebraic Expressions

Video Lessons

Evaluating Algebraic Expressions

Video Examples

1. Examples 1:  Evaluating Variable Expressions
2. Examples 2:  Evaluating Variable Expressions
3. Example 1:  Solve a Problem using Distance = Rate x Time

Textbook Section 3.3:  Simplifying Algebraic Expressions

Topics

Simplifying Algebraic Expressions

The Distributive Property

Video Lessons

Introduction to the Distributive Property

Video Examples

1. Ex:  Simplify Variable Expressions by Multiplying
2. Ex 1:  The Distributive Property
3. Ex 2:  The Distributive Property

Textbook Section 3.4:  Combining Like Terms

Topics

Like Terms

Combining Like Terms

Applications

Video Lesson

Combining Like Terms

Video Examples

1. Ex 1:  Combining Like Terms
2. Ex 2:  Combining Like Terms
3. Ex 3:  Combining Like Terms Requiring Distribution