2 + 2 [ Kids ] - Basic math skills software. Includes a free download, links, awards, and a guest book. [English, Polish, Italian]

Alien Tiles [ Kids/Teens/Mature Teens ] - Get the color pieces in the right spots to create certain patterns in cube.

Allmath.com [ Kids/Teens ] - Interactive game to construct Magic Squares. Different degrees of difficulty and size. Hints and solutions provided.

Brain Teasers and Math Puzzles [ Kids/Teens/Mature Teens ] - Interactive puzzles to challenge logic and mathematical skills. Immediate feedback with detailed solutions is provided.

The Contest Center [ Kids/Teens/Mature Teens ] - Classic puzzles and riddles requiring only simple logic and elementary math.

Count On [ Kids ] - Small games to create an interest in mathematics.

Count Us In [ Kids ] - Games designed to help children understand basic number concepts.

Cyberchase [ Kids/Teens ] - Interactive games to help learn about using measurements, mazes, angles, and shapes.

Dan's Math 4 Kids [ Kids ] - Gives examples of ways that numbers occur in the world around us. Includes puzzles that concern numbers, geometry, speed rates, and logic.

Figure This! Math Challenges for Families [ Kids/Teens/Mature Teens ] - Assortment of mathematical challenges based on real life situations.

Java Kali [ Kids/Teens/Mature Teens ] - This geometry applet is similar to a kaleidoscope in the images it creates.

Kids Place Brain Teasers [ Kids/Teens ] - Test your skills with this weekly series of problems. Includes links to last week's questions and answers.

Math Cats [ Kids/Teens ] - Games, crafts, art, and story problems featuring cats. Encourages children and teens to enjoy and explore mathematical concepts.

Mathemusements [ Kids/Teens ] - Tutorial on how to play magic square games. Gives historical background and different types of illustrations.

Math4free [ Teens ] - Offers math puzzles and comics.

Math-Kitecture [ Teens ] - Be a master architect. Draft a floor plan using software as you learn math, or try other fun "architivities." Designed for middle school students.

The Mathsfile Game Show [ Kids/Teens ] - Hosted by the ancient mathematicians, Hypatia and Pythagoras, 11-14 years old students can have fun working through a variety of games and print offs.

Mike's Math Club [ Kids ] - Includes puzzles and games to test knowledge of basic skills.

Mudd Math Fun Facts [ Kids/Teens/Mature Teens ] - Learn some interesting facts about math.

Online Math Games For Kids [ Kids/Teens ] - Has online math games for middle school kids. Worksheets and flashcards too.

Primary Games [ Kids/Teens ] - A collection of interactive math games.

RekenWeb Games [ Kids/Teens ] - Many elementary math related interactive tools. Building blocks, geometry, symmetry and patterns.

Sodaplay [ Teens/Mature Teens ] - Includes the Soda Constructor, a Java applet that animates two dimensional models made out of masses and springs.

WisWeb [ Teens/Mature Teens ] - Applets provide an interactive way to learn about algebra and mathematics.