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/Subtracting Integers
Adding/Subtracting Decimals
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
Adding and Subtracting Polynomials
Multiplying a Polynomial and a Monomial
Multiplying Binomials
115 Video Lessons
EXPONENTS AND RADICALS
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