Need help in Basic Algebra or Algebra I?
We have a series of free Basic Algebra or Algebra I Video Lessons.
The pre-algebra review is from the Portland Community College.
Related Pages
Videos, worksheets, and activities to help Algebra students
Common Core Math Algebra
Whole Numbers
Place Value & Word Names
Expanded Form
Rounding & Inequalities
Addition & Subtraction of Whole Numbers
Whole Numbers
Multiplication & Division
Exponents & Powers of Ten
Order of Operations: Problems with Two or More Operations
Factors
Average
Multiples
Divisors & Factors
Divisibility Tests
Factors & Fractions
Primes & Composites
Prime Factorization
Least Common Multiple
Fractions & Mixed Numbers: What is a Fraction?
Fractions
Improper Fractions to Mixed Numbers & vice versa
Reducing Fractions
Multiplication of Fractions
Fractions
Division of Fractions
Multiplication & Division of Mixed Numbers
Listing Fractions in Order of Value
Fractions
Addition of Like & Unlike Fractions
Addition & Subtraction of Mixed Numbers
Fractions
Subtraction of Fractions
Order of Operations & Average
Decimal Numbers
Place Value & Word Names
Expanded Form
Decimals to Fractions
Listing Decimals in Order of Value
Decimals
Approximation of Decimals
Addition & Subtraction of Decimals
Multiplication of Decimals
Decimals
Multiplication & Division by Powers of Ten
Division of Decimals
Fractions to Decimals & vice versa
Order of Operations & Average
Ratio & Proportion
Solve Proportions
Word Problems (Proportions)
Percents
What is Percent?
Changing Decimals to Percents & vice versa
Fractions to Percents & vice versa
Percents
Fractions, Decimals, & Percents Review
Solve Percent Problems
Word Problems (Percents)
Business Related Problems
Measurements
English Measurements
Metric Measurements
Conversion of Units
Geometry
Perimeter & Circumference
Area of Common Geometric Figures
Volume of Common Geometric Solids
Signed Numbers
Addition & Subtraction of Signed Numbers
Multiplication & Division of Signed Numbers Review
Order of Operations
Solve 1-Step Equations: Whole Numbers
Solve 1-Step Equations: Integers
Solve 1-Step Equations: Fractions
Solve 1-Step Equations: Decimals
Solve 2-Step Equations: Integers
Solve 2-Step Equations: Fractions
Solve 2-Step Equations: Decimals
Solve Multi-Step Equations with Parentheses & Variable Terms on both sides
Solve Multi-Step Equations with Fractions
Solve Multi-Step Equations with Decimals
The Slope of a Line
Definition of Slope
Find the Slope of a Line from a Graph
Find the Slope of a Line from 2 Points
Find the Slope of a Line from an Equation
Linear Equations
Write Equations in Slope-Intercept Form
Graph Lines using a Table of Values
Applications of Linear Equations
Standard Form of a Linear Equation
Graph Linear Equations
Intercepts of Linear Equations
Graph Lines Using Intercepts
How to Graph a Line using slope-intercept form, y=mx+b
Point-Slope Form of Linear Equations
Graphing Lines
Find the Equation of a Graphed Line
Parallel & Perpendicular Lines
Variation
Direct Variation
Inverse Variation
Linear Inequalities
Solve & Graph Inequalities using Addition or Subtraction
Solve & Graph Inequalities using Multiplication or Division
Solve & Graph Multistep Inequalities
Solve & Graph Compound Inequalities
Graph Inequalities with Two Variables
Absolute Value
Definition of Absolute Value
Absolute Value Equations
Applications of Absolute Value
Absolute Value Calculator
Absolute Value Inequalities
Absolute Value Inequality Graphs in Two Variables
Shifts in Absolute Value Graphs
Plotting Points & Naming Quadrants Interpreting Graphs
Relations
Relations & Determining Whether a Relation is a Function
Function Notation
Graphs
Connecting Graphs, Tables, & Equations
Write an Equation to Describe a Table
Write an Equation to Describe Pictures
Domain & Range
Systems of Equations
Introduction to Systems of Equations
Solve Systems of Equations by Graphing
Solve Systems of Equations by Substitution
Solve Systems of Equations by Elimination
Systems of Equations & Inequalities
Inconsistent and Dependent Systems of Equations
Solve Systems using Matrices
Systems of Inequalities
Word Problems
Mixture Problems
Rate Word Problems
Work Word Problems
Money Word Problems
Word Problems
Age Word Problems
Sum of Digits
Percent Concentration
Selling Multiple Items
Exponents
Introduction to Exponents
Rules of Exponents
Multiplication & Division Properties of Exponents
Zero & Negative Exponents
Scientific Notation
Simplify Expressions with Exponents
Polynomials
Polynomial Vocabulary
Add & Subtract Polynomials
Multiply Polynomials
Multiply Monomials and/or Binomials and FOIL
Multiply Polynomials using Area Models
Multiply Larger Degree Polynomials using Distributing
Multiply Polynomials: Special Cases
Divide Polynomials
Divide a Polynomial by a Monomial
Divide a Polynomial by a Binomial using Long Division
Factoring Trinomials
Greatest Common Factors
Difference of Perfect Squares
Factoring Trinomials, a = 1
Factoring Trinomials with “a” Not Equal to One
Factoring Special Cases
Perfect Square Trinomials
Factoring Trinomials by Grouping
Graphs of Quadratics
Exploring Quadratic Graphs
Graph Quadratic Equations
Vertical & Horizontal Shifts of Quadratic Graphs
Dilations of Quadratic Graphs
Solve Quadratic Equations
Vocabulary of Quadratic
Solve Quadratic Equations by Factoring
Solve Quadratic Equations using Square Roots
Completing the Square
Use Quadratic Formula
The Quadratic Formula
The Discriminant
Applications of Quadratic Equations
The Vertex & Axis of Symmetry
Applications of Quadratic Equations
Radical Expressions
Simplify Radical Expressions
Add & Subtract Radical Expressions
Multiply & Distribute Radical Expressions
Dividing Radicals & Rationalizing the Denominator
Radical Equations
Solve Radical Equations
Graph Radical Equations using a Table
Graph Radical Equations using Shifts
Estimating Square Roots
Cube Roots
Rational Functions
Introduction to Rational Functions
Simplify Rational Functions with Factoring & GCFs
Rational Expressions
Multiply & Divide Rationals
Add & Subtract Rational Expressions
Solve Rational Equations with Like Denominators
Solve Rational Equations with Unlike Denominators
Statistics
Mean
Median
Mode
Range
Probability
Scatterplots & Correlations
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