# Video Summary

# Chapter 1 - Number Theory

Lecture: Factors vs. Multiples

Lecture: What Are Prime Numbers

Example: Finding the Prime Factorization 1

Example: Finding the Prime Factorization 2

Lecture: What Are Common Factors?

Example: Finding the Greatest Common Factor 1

Example: Finding the Greatest Common Factor 2

Example: Finding the Greatest Common Factor 3

Lecture: What Are Common Multiples?

# Chapter 2 - Fractions

Lecture: What Is a Simplified Fraction?

Example: Simplifying Fractions 1

Example: Simplifying Fractions 2

Example: Simplifying Fractions 3

Lecture: How to Add and Subtract Fractions

Example: Subtracting Fractions 1

Lecture: How to Multiply Fractions

Example: Multiplying Fractions 1

Example: Multiplying Fractions 2