3 Glass Puzzle
Use symbols and division to figure out how to get the water where it should be. Site uses Javascript so it's accessible to all.

A+ Math Flashcards
More than 10 choices of flashcard games for kids to test their math skills online.

A+ Math Games
A variety of math games to choose from (Bingo, Hidden Picture, and Concentration) and you can choose addition, subtraction, etc. for each game! Great selection.

Ask Dr. Math
Dr. Math is a question-and-answer service for K-12 students and teachers. Make a bookmark in case you ever need to use it.

Blue Dog Can Count
Great counting tool for young kids.

Calendar Magic
So you think you know what day it is? Guess again.

Clever Games for Clever People
A collection of game instructions for fun ways to improve your logical thinking.

Colorful Math
Fun games to help kids through Grade 4 to understand math. Each game has free downloadable software.

Kid's Domain Math Downloads
Lots of games to download and run on your home computer - fun ways of learning math for kids aged 2 and up.

Fresh Baked Fractions
Pick your level (easy, medium, hard, or superbrain) and get ready for some fractions fun.

The History of Algebra and Computing
The language in this site is probably too advanced for very young kids, but it's a great explanation of algebra.

Lucky 7
Logic-building game to return pieces to their original spots.

Math Baseball
A supercool way to practice your math skills and get a home run!

Math Magic
Fun math projects for a variety of ages - select your age group and join a challenge!

Math Pen Pals
I'm not sure this project is still going on, but it looked pretty cool.

Math Puzzles, Problems, Tips and Tricks
A great site, from the same folks as Dr. Math, with all kinds of fun and useful information.

Plus or Minus
A fun Java applet to help with addition and subtraction.

Practice at InfoMath
Work on your multiplication tables, division tables, addition, and subtraction with these Java games.

Seeing Squares
How many squares do you see here? Try this tricky game with a friend too.

Tower of Hanoi
Can you solve this age-old math puzzle?

Turning Turtles
Logic-building game, uses Java.

Up and Down the Staircase
What's wrong with this picture?