 # PRE-ALGEBRA

1,368 Video Lessons

Select the section below that fits the topic that you need help on.  All our 1,368 Pre-Algebra videos are linked to our YouTube Channel and are Free to watch. Enjoy!

81 Video Lessons

## BASICS

• Naming Decimal Places

• Reading and Writing Whole Numbers

• Rounding Numbers

291 Video Lessons

## ARITHMETIC

• Rounding Numbers

• Fractions and Decimals

• Fractions, Decimals, and Percents

• Variable and Verbal Expressions

• Adding and Subtracting Fractions and Mixed Numbers

• Multiplying Integers

• Dividing Integers

• Multiplying Decimals

• Multiplying/Dividing Fractions and Mixed Numbers

• Order of Operations

• Evaluating Variable Expressions

129 Video Lessons

## NUMBER THEORY

• Divisibility and Factors

• Factors and Factorization

• Factoring Monomials

• Greatest Common Factor

• Least Common Multiple

75 Video Lessons

## ALGEBRAIC EXPRESSIONS

• Evaluating Variable Expressions

• Simplifying Variable Expressions

• The Distributive Property

222 Video Lessons

## PROPORTIONS AND PERCENTS

• Fractions, Decimals, and Percents

• Percent Word Problems

• Finding Percent Change

• Markup, Discount, and Tax (Easy)

• Markup, Discount, and Tax (Harder)

• Proportions

• Proportion Word Problems

• Similar Figures

• Similar Figures Word Problems

• Simple and Compound Interest

186 Video Lessons

## EQUATIONS

• One-Step Equations with Integers

• One-Step Equations with Decimals

• One-Step Equations with Fractions

• One-Step Equation Word Problems

• Two-Step Equations With Integers

• Two-Step Equations with Decimals

• ​Two-Step Equation Word Problems

• Multi-Step Equations

119 Video Lessons

## INEQUALITIES

• Inequalities and Their Graphs

• Solving One-Step Inequalities By Adding/Subtracting

• Solving One-Step Inequalities By Multiplying/Dividing

• Solving Two-Step Inequalities

• Solving Multi-Step Inequalities

88 Video Lessons

## POLYNOMIALS

• Factoring Monomials

• Multiplying a Polynomial and a Monomial

• Multiplying Binomials

115 Video Lessons

• Exponents and Multiplication

• Exponents and Division

• Powers of Products and Quotients

• Scientific Notation

• Square Roots

62 Video Lessons

## WORD PROBLEMS

• One-Step Equation Word Problems

• ​Two-Step Equation Word Problems

• Proportion Word Problems

• Similar Figures Word Problems