The sites are organized into general categories.

Beginning 5 to 9 year olds

Intermediate 8 to 15 year olds

Advanced 14 to 18 year olds

Beginning

Education World
www.education-world.com/math
Explore the world using math! Articles about math and politics, the environment, and money. Plus, help in math subjects from K-12.
Level: Beginning-Advanced

Aplusmath.com
www.aplusmath.com/Flashcards
Flash card mania. Contains flash cards for addition, subtraction, multiplication, division, square roots and even a flash card creator.

Base 10 Count
www.edbydesign.com/btcount.html
Level: Beginning

Learn to count, read great stories by kids, or answer a riddle!

MagicKeys
www.magickeys.com/books/count
Level: Beginning

Read this funny story about wacky rabbits and learn how to count.

Intermediate

Cut the Knot
www.cut-the-knot.com/content.html
This site bills itself as "Interactive Mathematics, Miscellany and Puzzles." Have fun.
Level: Intermediate

Education World
www.education-world.com/math
Explore the world using math! Articles about math and politics, the environment, and money. Plus, help in math subjects from K-12.
Level: Beginning-Advanced

Math.com Students
www.math.com/students.html
This site has some really cool stuff. They have a section called: "Equation Solvers" which you can type in problems and it'll give you the answer on line. It can plot graphs and show you the steps it used to solve the problem....very cool!
Level: Intermediate

Coolmath.com
www.coolmath.com
This site is for kids 13-100 and it is COOL. Their home page has numbers 1-6 that follow your cursor around. They go through interactive problems, which range from easy to MONSTER!!! Lots of colors on this page.
Level: Intermediate

Biographies of Women Mathematicians
www.agnesscott.edu/lriddle/women/women.htm
Girl math power! From their homepage: "These pages are part of an on-going project by students in mathematics classes at Agnes Scott College, in Atlanta, Georgia, to illustrate the numerous achievements of women in the field of mathematics." Who was Theano, born in 5th Century B.C.? Find out!
Level: Intermediate

History of Mathematics
aleph0.clarku.edu/~djoyce/mathhist/mathhist.html
Level: Intermediate

Who thought up the zero? What were the ancient math geographic hotspots? What did Euclid think and why? Find out here.

Mathematics Maze
hometown.aol.com/themazeman/mathmaze.html
Level: Intermediate

Play a game and have fun!

The Dance of Chance
polymer.bu.edu/museum
What are fractals? Why do they dance? Check out nature and movement and math and find out.
Level: Intermediate-Advanced

Math Art Gallery
www-math.sci.kun.nl/math/knopen/art_gallery.html
Level: Intermediate-Advanced

Fractal fun for folks who find the freaky fabulous.

Advanced

Education World
www.education-world.com/math
Explore the world using math! Articles about math and politics, the environment, and money. Plus, help in math subjects from K-12.
Level: Beginning-Advanced

WSU Mathematics
www.sci.wsu.edu/math/HS/problems.html
This site presents senior high school level math problems. It uses a helpful premise -- if you try a problem and don't get the right answer, the site will explain the concepts behind the solution.
Level: Advanced

Math in Daily Life
www.learner.org/exhibits/dailymath
This link explains how people use math in their lives every day....they give examples about population growth, savings and credit cards, and cooking. Neato!
Level: Advanced

Center for Innovative Computer Applications
www.cica.indiana.edu/projects/Fermat
Level: Advanced

Want to try your hand at solving the unsolvable? Check out Fermat's Last Theorem.

The Dance of Chance
polymer.bu.edu/museum
What are fractals? Why do they dance? Check out nature and movement and math and find out.
Level: Intermediate-Advanced

Math Art Gallery
www-math.sci.kun.nl/math/knopen/art_gallery.html
Level: Intermediate-Advanced

Fractal fun for folks who find the freaky fabulous.

The Math in the Movies Page
world.std.com/~reinhold/mathmovies.html
Level: Advanced

Dry, worldly reviews of math in movies.

The Chaos Game
math.bu.edu/DYSYS/applets/chaos-game.html
Level: Advanced

Find out about red dots, green dots, the Sierpinski triangle, fractals, and more.