Algebra Video Lectures

Kahn Academy Algebra 1

Kahn Academy Algebra 2

Linear Equations 1

 
Linear Equations 2

 
Linear Equations 3

 
Linear Equations 4

 
Solving Inequalities

 
graphing lines 1

 
Slope and Y-intercept

 
Slope (figuring out)

 
Slope 2

 
Slope 3

 
Equation of a line

 
Slope and Y-intercept intuition

 
Linear Equations Word Problems

 Averages
 
Integer sums
 
Taking percentages
 
Growing by a percentage
 
Another Percent Word Problem
 
More percent problems
 
systems of equations
 
Introduction to Ratios
 
Advanced ratio problems
 
More advanced ratio problem-
 
Age word problems 1
 
Age word problems 2
 
Age word problems 3
 Level 1 multiplying expressions
Solving a quadratic by factoring
i and Imaginary numbers
Complex Numbers 1
Complex Numbers 2
Complex Numbers  3-Complex Plane
Introduction to the quadratic equation
Quadratic Equation 2
Completing the square
Proof of Quadratic Formula
Quadratic Inequalities
Quadratic Inequalities (Visual Explanation)
 
Introduction to functions
Functions Part 2
Functions 3
Functions 4
Domain of a function
 
Proof: log a + log b = log ab
Proof: A(log B) = log (B^A), ..
Proof: log_a (B) = (log_x (B))/( .
 
Algebraic Long Division
 
Introduction to Conic Sections
Conic Sections: Intro to Circle
Conic Sections: Intro to Ellipses
Conic Sections: Hyperbolas
Conic Sections: Hyperbolas 2
Conic Sections: Hyperbolas 3
Identifying Conics 1
Identifying Conics 2
Identifying Conics 3
Foci of an Ellipse
Foci of a Hyperbola
Proof: Hyperbola Foci
 
Partial Fraction Expansion 1
Partial Fraction Expansion 2
Partial Fraction Expansion 3
 
Parabola Focus and Directrix 1
Focus and Directrix of a Parabola 2
 
Two Passing Bicycles Word Problem
Passed Bike Word Problem
Passing Trains
Overtaking Word Problem
Early Train Word Problem
Officer on Horseback
Rational Inequalities 1
Rational Inequalities 2
 
Interesting Polynomial Coefficient Problem
Geometric series sum to figure out mortgage payment
 

More Free Math Stuff
Slightly Different Pre-Algebra Practice Problems
 

Pretest         Solutions

  
 

Practice Problems           Quick Learning Unit Reviews

1. Units 1-5                       Whole Numbers

2. Units 7-13                     Fractions

3. Units 14-24                   Decimals

4. Units 25-30                   Exponents 

5. Units 1-37                     Formulas

6 Units 39-43                     Multi-Step Word Problems

7. Units 44-49                    Graphs

   Posttest                          Solutions