Links to Cool Math Sites
Mathwizz - This site has interactive problem generators. Students can get practice making and solving problems in the following categories: arithmetic, fractions, integers, decimals, algebra, geometry, statistics, conversion math.
CuriousMath.com - Want to learn how to quickly square a number that ends in 5? Or how to tell if a number is divisible by 3? Or maybe you'd like to know why the number 153 in the Bible is such an interesting number? That's the kind of fun and fascinating math tricks and trivia you'll find here.
The Math Forum - Internet Mathematics Library at Drexel. Pretty good stuff for math, math education, and educational topics.
Math Tools - from the Math Forum. Some very cool tools. You have to register, but there's no charge.
National Library of Virtual Manipulatives - from Utah State University - exactly what it says it is. Some of the coolest stuff since spaghetti was invented.
Inversions by Scott Kim. - Awfully cool math art.
Mathwords - a dictionary/encyclopedia for math and math-related terms
Conic Sections: Apollonius and Meaechmus - conic sections along with a history lesson
Mathworld - from Wolfram. Simply the best online advanced math resource that I know of.
Calculus-Help.com - This has lots of very cool interactive stuff for calculus students, including videos that explain both limits and derivatives.
The Integrator by Mathematica - it integrates functions for you online. Very, very cool.
NEIRTEC - Links to some very nice virtual tools, organized by Algebra Readiness Indicators.
Math Archives from the University of Tennessee, Knoxville - Contains resources for both math and math education. Pretty broad.
The Mathematical Atlas - This is a collection of short articles designed to provide an introduction to the areas of modern mathematics and pointers to further information. College level.
Find the Error! by Doug Shaw of the Univ. of Northern Iowa. - Good calculus tricks.
MacTutor History of Mathematics archive - from the University of St. Andrews in Scotland. Great history of math reference. Also, click on "Famous Curves Index" to get some pretty nice java applets that let you manipulate parameters and see the outcome in the curve.
Math Drills - Free Math Worksheets
Algebrahelp.com - a collection of tools created to assist students and teachers of algebra. Check out the calculators.