2 + 2
- Basic math skills software. Includes a free download, links, awards, and a guest book. [English, Polish, Italian]
- http://www.funnymathforkids.com/

Alien Tiles
- Get the color pieces in the right spots to create certain patterns in cube.
- http://www.alientiles.com/

The Contest Center
- Classic puzzles and riddles requiring only simple logic and elementary math.
- http://www.contestcen.com/classic.htm

Mudd Math Fun Facts
- Learn some interesting facts about math.
- http://www.math.hmc.edu/funfacts/

Sodaplay
- Includes the Soda Constructor, a Java applet that animates two dimensional models made out of masses and springs.
- http://www.sodaplay.com/

Kids Place Brain Teasers
- Test your skills with this weekly series of problems. Includes links to last week's questions and answers.
- http://www.eduplace.com/math/brain/

Count On
- Small games to create an interest in mathematics.
- http://www.counton.org/magnet/

Count Us In
- Games designed to help children understand basic number concepts.
- http://www.abc.net.au/countusin/default.htm

Java Kali
- This geometry applet is similar to a kaleidoscope in the images it creates.
- http://www.geom.uiuc.edu/java/Kali/program.html

RekenWeb Games
- Many elementary math related interactive tools. Building blocks, geometry, symmetry and patterns.
- http://www.fi.uu.nl/rekenweb/en/welcome.xml

WisWeb
- Applets provide an interactive way to learn about algebra and mathematics.
- http://www.fi.uu.nl/wisweb/en/

Math4free
- Offers math puzzles and comics.
- http://www.math4free.net/

Mathemusements
- Tutorial on how to play magic square games. Gives historical background and different types of illustrations.
- http://www.sciencenewsforkids.org/pages/puzzlezone/muse/muse1103.asp

Allmath.com
- Interactive game to construct Magic Squares. Different degrees of difficulty and size. Hints and solutions provided.
- http://www.allmath.com/magicsquare.php

Cyberchase
- Interactive games to help learn about using measurements, mazes, angles, and shapes.
- http://pbskids.org/cyberchase/games.html

Math Cats
- Games, crafts, art, and story problems featuring cats. Encourages children and teens to enjoy and explore mathematical concepts.
- http://www.mathcats.com/

Dan's Math 4 Kids
- Gives examples of ways that numbers occur in the world around us. Includes puzzles that concern numbers, geometry, speed rates, and logic.
- http://www.dansmath.com/pages/danskids.html

Primary Games
- A collection of interactive math games.
- http://www.primarygames.co.uk

Online Math Games For Kids
- Has online math games for middle school kids. Worksheets and flashcards too.
- http://www.scweb4free.com

Mike's Math Club
- Includes puzzles and games to test knowledge of basic skills.
- http://www.mff.org/mmc

The Mathsfile Game Show
- 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.
- http://www.bbc.co.uk/education/mathsfile/

Math-Kitecture
- Be a master architect. Draft a floor plan using software as you learn math, or try other fun "architivities." Designed for middle school students.
- http://www.math-kitecture.com

Figure This! Math Challenges for Families
- Assortment of mathematical challenges based on real life situations.
- http://www.figurethis.org/

Brain Teasers and Math Puzzles
- Interactive puzzles to challenge logic and mathematical skills. Immediate feedback with detailed solutions is provided.
- http://www.syvum.com/teasers/