
MathsIsFun  
Coolmath  
PurpleMath  
V  KhanAcademy  
V  MathTV 
Dan Bach: dansmath.com (lots of fun stuff)  
Karen Edwards: Home page (includes links to videos for Math 75, 110, 120, 192, 292)  
Patty Leitner: Patty's Calculus Videos  
Tina Levy: AlgebraMadeSimple and CalculusMadeEasier  
Leslie Month: Home page (handouts for many classes)  
Cheryl Wilcox: Free PreAlgebra (An opensource PreAlgebra textbook) 
DVC Math Lab  
MathNerds  
The Math Forum  Ask Dr. Math 
Basic  calculator1.com  
Basic  printcalc  
Basic  CLIPS basic calculator  
Scientific  picalc  
Scientific  Web2.0Calc  
Scientific  CLIPS scientific calculator  
Graphing  Desmos  
Graphing  Graphing Calculator  
Graphing  bcalc  
Graphing  Metacalculator (also does matrices and statistics)  
Graphing  Equation Explorer  
Graphing  CLIPS graphing calculator  
Graphing  WebGraphing.com  
Everything  WolframAlpha 

I  Coolmath  Times Tables  
I  MathsIsFun  Multiplication Practice  
V  MathTV  Place Value (Select Basic Mathematics > Whole Numbers > Place Value and Names for Numbers.)  
V  KhanAcademy  Basic regrouping or borrowing  
Purplemath  Rounding  
Wilcox Free PreAlgebra  Rounding (page 4) and Learning Styles (page 3) 
ADI  Running the Numbers art project (Silverlight required) 
Coolmath  Exponents  
I  Doing Dishes  
I  The Scale of the Universe 2  
Coolmath  Order of Operations  
MathsIsFun  PEMDAS  
History of Operation Symbols and Order of Operations 
A Fraction Funny (page 12)  
I  Illuminations  Equivalent Fractions  
I  Fraction Games  
I  Spiral of Prime Factorizations  
H  MathFail  Dividing by Zero 
Purplemath  Variables  
I  BBC Bitesize  Introduction to formulas  
IL  IXL  Simplify variable expressions using properties  
IL  IXL  Distributive property 
I  Perimeter and Area  
I  Illuminations  Area Tool  
V  YouTube  Area of a Triangle  
V  YouTube  How to Find the Area of Geometric Shapes  
IL  IXL  Area of Triangles  
IL  IXL  Perimeter 

Coolmath  Adding and Subtracting Signed Numbers  
V  MathTV  Simplifying Expressions with Variables (Select Algebra > Simplifying Expressions > With Variables)  
Purplemath  Variables  
V  KhanAcademy  Adding and Subtracting Fractions  
MathsIsFun  PEMDAS  
V  Karen's Math 110 videos  The Vocabulary of Expressions (Watch from 10:54  14:30) 
V  Karen's Math 110 Videos  Solving Linear Equations with a Balance Scale (Watch from 11:00  14:20)  
IJ  Algebra Balance Scales from Utah State University  
I  Math Playground  Algebra Balance Scales  
I  MathsIsFun  Algebra Balance Scales  
V  MathTV  Solving Linear Equations with Fractions (Select Algebra > Linear Equations in 1 Variable > With Fractions, e.g. Problem 4)  
V  YouTube video  Solving Linear Equations, Special Cases 
A  US Cell Phone Plan Comparison  
AV  Panda Distance Problem Traditional Way (Youtube)  
AV  Panda Distance Problem Traditional Way (Wyzant) 
V  Karen's Math 110 Videos  The Linear Inequality Dance (Watch from 0:00  9:25) 
A  Large number example  The National Debt  
A  Small number example  Carbon Nanotubes  
A  Scientific notation examples  Solar System facts  
V  Powers of 10  
What is a googol? 
V  MathTV  Solving Rational Equations (select Algebra > Rational Expressions > Equations Containing) Shows different approaches  
V  Derek Owens  Fractional Equations 
A  Physics equations list  Which of these are rational equations?  
AV  Karen's Math 120 Videos  Shared Work with Chocolate (start at 33:30)  
AI  The MPG Illusion  Quiz  
A  The MPG Illusion  
A  A Controversial AviationRelated Math Problem 
MathsIsFun  Squares and Square Roots  
Hippasus and √2 (see the section on Ancient Greece)  
A  Article  Why the square root rule for voting is a bad idea  
H  Limerick with square roots (#17)  
V  Karen's Math 110 Videos  Simplifying Radicals (watch from 57:28 to 1:02:20)  
ISL  ExploreLearning Gizmo  Simplifying Radical Expressions Activity A  
ISL  ExploreLearning Gizmo  Simplifying Radical Expressions Activity B  
ISL  ExploreLearning Gizmo  Operations with Radical Expressions 

Coolmath  Solving Linear Equations  
V  MathTV  Division with Exponents (select Algebra > Exponents > Division with Exponents)  
Purplemath  Variables  
V  KhanAcademy  Algebraic Word Problems  
MathsIsFun  PEMDAS  
V  Karen's Math 120 Videos  Review of Graphing (watch from 3:41 to 7:55) 
I  Linear Function Explorer  
IJ  Linear Lasers  
IJ  Line of Best Fit  
IJ  Linear Transformer 
V  MathTV  Solving Rational Equations (select Algebra > Rational Expressions > Equations Containing) Shows different approaches  
V  Derek Owens  Fractional Equations  
A  Physics equations list  Which of these are rational equations?  
AV  Karen's Math 120 Videos  Shared Work with Chocolate (start at 33:30)  
AI  The MPG Illusion  Quiz  
A  The MPG Illusion  
A  A Controversial AviationRelated Math Problem 
If the IRS had discovered the quadratic formula...  
I  Quadratic Equation Solver  
I  Graphing Quadratic Functions  www.analyzemath.com (standard form)  
I  Graphing Quadratic Functions  www.mathopenref.com (standard form)  
I  Graphing Quadratic Functions  www.mathopenref.com (vertex form)  
I  Graphing Quadratic Functions  www.mathwarehouse.com (standard form)  
IJ  Graphing Quadratic Functions  members.shaw.ca/ron.blond (standard form)  
IJ  Graphing Quadratic Functions  members.shaw.ca/ron.blond (vertex form)  
IJ  Graphing Quadratic Functions  mathmaine (standard form)  
IJ  Graphing Quadratic Functions  mathmaine (vertex form)  
IJ  Graphing Quadratic Functions  mathmaine (factored form)  
IJ  Graphing Quadratic Functions  earthmath.kennesaw.edu (standard form and vertex form)  
I  Graphing Quadratic Functions  www.desmos.com (any form; enter the equation yourself and click "all" to get sliders) 

J  Trigonometry Java applets 
V  KhanAcademy  Review of graphing functions by pointplotting  
Coolmath  Domain and Range of Functions  
V  MathTV  Review of Solving Quadratic Equations by Factoring (select Algebra > Quadratic Equations > Factoring)  
MathsIsFun  Pythagorean Theorem 
I  MathsIsFun  Introduction to Trigonometry  
MathsIsFun  Sine, Cosine and Tangent in Four Quadrants  
IJ  Six Trig Functions in Motion 
MathsIsFun  Magic Hexagon for Trig Identities  
V  YouTube  Trig Identities  
V  YouTube  Verifying Trigonometric Identities Tutorial  
V  YouTube  Trigonometry video, identities.. 
MathsIsFun  Vectors  
I  Illuminations  Vector Investigation: Boat to the Island  
I  Google Compass  
IJ  NCTM  Car and Cyclone  
IJ  NCTM  Plane and Hurricane 
IJ  Reference Angle Java Applet  
IJ  Trigonometry  Unit Circle Applet 
V  YouTube  Sine Cosine Generator  
V  YouTube  3rd best visual illusion  Two sinusoids: 6  1 perceptions  
V  YouTube  Perspectives of eight, helix, circle, sinus wave  
V  Video  animated movie of a sine wave and cosine wave  
V  Video  Circular Polarization  
MathsIsFun  Even and Odd Functions  
I  Illuminations  Trigonometric Graphing  
AI  Application  Sound Waves (particularly this link on Wavelength)  
AI  Application  Sound Waves (also click on "Exploring Pitch and Volume")  
AV  Application  Pendulum Waves  
A  Application  Light Waves (Google Image search) 
I  Illuminations  Function Matching  
V  YouTube  The Trig Jig  
AI  Application  Daylight Hours Explorer  
A  Application  Length of Day formulae  
A  Application  The Electromagnetic Spectrum (NASA, old page  better images)  
A  Application  The Electromagnetic Spectrum (NASA, new page  more info) 
The Trigonometric Functions  
AI  Applications  Pistons, Ferris Wheels and Hours of Daylight 
Google Image Search  Inverse Functions  
MathsIsFun  Inverse Sine, Cosine, Tangent 

Coolmath  Exponentials and Logarithms  
V  MathTV  Division with Exponents (select Algebra > Exponents > Division with Exponents)  
Purplemath  Variables  
V  KhanAcademy  Slope and yintercept intuition  
MathsIsFun  Equations and Formulas 
The Fallacy Files  Improper Transposition  
Truth Tables and Logic Gates  
Truth Tables, Tautologies, and Logical Equivalence 
Lewis Carroll Syllogisms 
Wikipedia  Logic Puzzle  
I  LogicGrid Brain Teasers  
Directions Test  
Wikipedia  Nonogram  
I  Games Magazine  Paint by Numbers (a.k.a. Nonograms)  
MathsIsFun  Logic Puzzles 
Coolmath  Finance Freak  
I  Care One Credit  Financial Quizzes and Polls 
I  Coolmath  Credit Card Calculator  
Stocks For Beginners  Learn to Invest Money  
Wikipedia  Rule of 72  
Federal Reserve  Understanding your credit card offer 
V  YouTube  How a Mortgage Works  
I  MortgageCalculator.org  
I  Zillow  Mortgage Calculator 
IJ  Addition in Other Bases  
Binary Fingermath  
Hacked Gadget  Binary Marble Adding Machine  
I  Binary Math 
I  Murderous Maths Prime Tester  
Article  Record 232digit number from cryptography challenge factored  
Braingle  100 Lockers  
Wikipedia  RSA Factoring Challenge  
Wikipedia  RSA numbers 

Coolmath  Exponents  
V  MathTV  Quadratic Equations (select Algebra > Quadratic Equations)  
Purplemath  Rational Expressions: Simplifying, and the next page with More Simplifying  
V  KhanAcademy  Algebraic Word Problem  
MathsIsFun  Finding Intercepts of a Graph 
Purplemath  Solving Linear Inequalities  
Purplemath  Solving Quadratic Inequalities  
Purplemath  Solving Polynomial Inequalities  
Purplemath  Solving Rational Inequalities 
Coolmath  Solving Absolute Value Equations and Inequalities Lessons  
IJ  Geogebra  Absolute Value Inequality Number Line 
I  Linear Function Explorer  
IJ  Linear Lasers  
I  Interactivate  Conic Flyer  
IJ  Linear Transformer  
I  Illuminations  Line of Best Fit 
I  Many useful graphing calculators are listed near the top of this page  
IV  Education Portal  Graphing Absolute Value Equations: Dilations and Reflections  
I  Purplemath  Function Transformations Quiz  
MathsIsFun  Even and Odd Functions 
I  Many useful graphing calculators are listed near the top of this page  
I  Also try entering a list of equations into WolframAlpha 
SET Daily Puzzle  
MathsIsFun  Math and Logic Puzzles  
Wikipedia  Mathematical joke  
WIMS  
Sci.Math FAQ 

Study Skills Checklist (Cook Counseling Center, Virginia Tech)  
Study Skills Information (Cook Counseling Center, Virginia Tech)  
Study Guides and Strategies 
Mind Maps  
Coolmath  How to Study for a Math Final Exam 
I  Learning Styles Questionnaire  
Learning Styles Overview  
NPR  How Eastern and Western Cultures Tackle Learning  
Succeeding in continuing and higher education 
Tips for taking Math tests 
You Can Grow Your Intelligence (article)  
You Can Grow Your Brain (article, specific to math)  
I  You Can Grow Your Intelligence (interactive site)  
LI  Lumosity  for strengthening your brain 
Article  Sleep and Learning 
Study Guides and Strategies  Time Management  
Study Guides and Strategies  My Daily Schedule 