The Abacus
This Java version of the abacus is a limited simulation of a real abacus.

The AIMS Puzzle Corner
This site offers a tantalizing educational bait-and-hook in the form of a new puzzle each month that infiltrates the classroom with a vibrant brand of problem solving.

Buffon's Needle
Use the java applet on this page to see a simple Monte Carlo method for the estimation of the value of pi, 3.14159265...

Clever Games for Clever People
Many of us have used logic and numbers to explain how to win a game, but mathematician John Conway was not about to do something so ordinary. In his book, On Numbers and Games, he takes that idea and turns it inside out by showing how games can be used to describe numbers.

Colorful Mathematics
A series of educational software presenting advanced mathematical concepts to K-12 students using a game-oriented approach

Create a Graph
Create area, bar, line, and pie graphs online.

ExploreLearning.com
ExploreMath.com covers the major topics from Algebra through Pre-Calculus with multimedia activities.

FigureThis!
The Figure This! campaign uses challenging math problems, based on the standards developed by NCTM, to raise public awareness about the importance of children learning high-quality math in middle school.

The Fruit Game Home Page
Take turns with the computer removing fruit from the table. The player who takes the last piece of fruit from the table is the loser.

Good News Bears
A Web-based Interactive Stock Market Learning Project for K-12

GraphCalc
A powerful calculator that can be used to produce 2D and 3D Euclidean and Polar graphs.

Interactive Mathematics Miscellany and Puzzles
This site includes topics on arithmetic, algebra, geometry, probability, games, puzzles, proofs, math as language, and much more that will educate and entertain.

Manipula Math with Java
You will find interactive programs that you can manipulate and a lot of animation that helps you to grasp the meaning of mathematical ideas.

National Library of Virtual Manipulatives for Interactive Mathematics
This is a three-year project to develop a library of uniquely interactive, web-based virtual manipulatives or concept tutorials, mostly in the form of Java applets, for mathematics instruction (K-8 emphasis).

NCTM's Illuminations
Internet resources to improve the teaching and learning of mathematics for all students.

The Prime Number Maze
The maze you are about to enter is one determined completely by the distribution of the prime numbers.

Project Interactive
Interactive java-based courseware for exploration in science and mathematics.