# Prealgebra

VIDEOS

- Introduction to Natural and Whole Numbers
- Place Value for Whole Numbers
- How to Round Whole Numbers
- Addition Properties; Adding Whole Numbers Vertically with Carrying
- How to Subtract Whole Numbers
- How to Memorize the Multiplication Table
- Properties of Multiplication for Whole Numbers
- How to Multiply Whole Numbers
- How to Divide Whole Numbers Using Long Division
- Notations Used when Dividing Numbers and Division Involving Zero
- Exponential Notation
- The Order of Operations
- The Divisibility Rules for 2, 3, 4, 5, 6, 8, 9, and 10
- How to Find All the Factors of a Number
- Prime Numbers and Composite Numbers
- Prime Factorization
- The Least Common Multiple (LCM) of Two or More Numbers
- The Greatest Common Factor (GCF) of Two or More Numbers
- The Greatest Common Factor (GCF) vs the Least Common Multiple (LCM)

#### Whole Numbers

- Place Value and Rounding Whole Numbers
- Memorize the Multiplication Table
- Exponents and Order of Operations
- Divisibility Rules

#### Integers

- Basic Operations, and Absolute Value
- Evaluating Algebraic Expressions
- Simplifying Algebraic Expressions
- Linear Equations

#### Fractions

- Fractions, Mixed Numbers β Itβs Fun When You Understand Them
- Prime Numbers and Prime Factorizations
- Finding the GCF and the LCD
- Multiplying and Dividing Fractions and Mixed Numbers
- Adding and Subtracting Fractions and Mixed Numbers
- Complex Fractions
- Equations with Fractions