Math Formulas

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

 

License: These videos are a derivative of of the College Algebra by OpenStax and is licensed under Creative Commons Attribution License v4.0. https://openstax.org/details/books/co...

 

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