Developmental
Mathematics

Introduction

Adding and Subtracting Expressions (includes video)

Multiplying and Dividing Expressions (includes video)

Simplifying Expressions (includes video)

Multiplying Expressions or Expanding Expressions (includes video)    

Simplifying Rational Expressions (includes video)

Adding Rational Expressions (includes video)

Subtracting Rational Expressions (includes video)

Multiplying Rational Expressions (includes video)

Dividing Rational Expressions (includes video)

Techniques to Solve Equations

Isolate the Variable (Transposition) (includes video)

Combine Like Terms (includes video)

Solving Linear Equations (includes video)

Solving Equations by Addition or Subtraction (includes video)

Solving Equations by Division, Multiplication or taking the Reciprocal (includes video)

Solving Two-Step Equations (includes video)

Solving Equations By Combining Like Terms (includes video)

Solving Algebra Equations by Distributive Property (includes video)

Solving Equations with the Variable on Both Sides (includes video)

Solving Equations with Absolute Values (includes video)

SYSTEMS OF LINEAR EQUATIONS

Substitution (includes video)

Addition Method (Opposite-Coefficients Method) (includes video)

Graphing method (includes video)

INEQUALITIES

Inequalities and the Number Line

Solving Single-Step Inequalities by Addition or Subtraction (includes video)

Solving Single-Step Inequalities by Multiplication (includes video)

Solving Single-Step Inequalities by Division (includes video)

Solving Linear Inequalities (includes video)

Graphing Linear Inequalities (includes video)

Solving Systems of Linear Inequalities / Simultaneous Linear Inequalities (includes video)

Quadratic Equations

Factoring Quadratic Equations
    Finding Common Factors, (includes video)
    Square of Sum, Square of Difference, Difference of Two Squares,
    Coefficient of x² is 1, (includes video)
    Coefficient of x² is greater than 1 (includes video)

Difference of Squares (includes video)

Completing the Square (includes video)

Quadratic Formula or Quadratic Equation (includes video)

Trinomials

Factoring Trinomials (includes video)

Factoring Perfect Square Trinomials (includes video)

Polynomials

Factoring by Grouping (includes video)

 

Types Of Algebra Word Problems

Age Word Problems

Age Problems involving a Single Person, (includes video)

Age Problems Involving More Than One Person (includes video)

Average Word Problems

Arithmetic Mean, (includes video)

Coin Word Problems

Problems involving Coins, (includes video)

Consecutive Integer Word Problems

Consecutive Integer, (includes video)

Digit Word Problems

Simple Digit Problems, (includes video)

Distance Word Problems

Given Total Time (includes video)

Geometry Word Problems

Involving Perimeters, (includes video)