Math

General Math Resources

Microsoft Math - free download for PCs, provides a graphing calculator that plots in 2D and 3D, step-by-step equation solving, and useful tools to help students with math and science studies

CoolMath's free online graphing calculator - requires Java

Free Online Graphing Calculator - from HRW

Brightstorm - over 2,000 free videos explaining topics from algebra I and II, geometry, trigonometry, precalculus, and calculus

Jefferson Lab Student Zone - see the SpeedMath games!

KidsNumbers.com

MacTutor History of Mathematics Archive - Biographies of mathematicians and history of math topics

MangaHigh - free math games

MangaHigh Data - Flash quizzes specifically for data interpretation skills - statistically the weakest skill for most students on the ACT

Math.com - reviews of math topics and interactive practice problems, as well as info on reducing math anxiety and helpful study tips

Math World

Math Central

Math Forum - quick definitions and rules for any math concept, best for teachers

Math Page - Interactive tutorials for learning any high school math topic

MathBits - Resources for Algebra, Geometry, Trigonometry, Calculus, and computer programming, as well as printable graph paper and lessons on using graphing calculators

MathNerds - free tutoring from volunteer mathematicians, must create free account

MathTV.com - Free videos explaining concepts of basic mathematics, algebra, geometry, trigonometry, and calculus

MathWarehouse

Mrs. Glosser's Math Goodies

National Library of Virtual Manipulatives

Online Math Help & Learning - Math help from PreK all the way through College, navigate by grade level or by topic. 

S.O.S. Math - over 2,500 pages of math help from Algebra through Calculus

  

Algebra

Algebasics - visual and verbal instruction in the basics of Algebra

Algebra Help - Step-by-step directions on how to solve different algebra problems

Algebra in Simplest Terms - Free streaming videos relating Algebra to real-world situations, each video is 30 minutes and can be used in the classroom or by individual students for review

CoolMath Algebra

 

Geometry

Challenge of the 7 Cups game

 

Calculus

Calculus-Help.com

Karl's Calculus Tutor

MIT Highlights for High School - Select a topic and subtopic to view lecuture notes from MIT

Visual Calculus

 

Math Fun & Games

Cut the Knot - "interactive math miscellany & puzzles" - lots of Java

KnotPlot - Information on knot theory & photos of lots of knots

MathPuzzle - "the puzzling weblog of recreational mathematics" - challenging puzzles for grades 10+ (blocked at school)