Listly by Jon Samuelson
A list of recommended websites by the American Library Association compiled by Cindy Lawrence, third grade teacher in Texas.
A+ Click is a collection of math problems, puzzles, and brain teasers on numbers, geometry, algebra, data analysis, probability, and word probles. Math skills assessment for grades K1 K12. Practice Mathematics!
AAA Math features a comprehensive set of interactive arithmetic lessons. Unlimited practice is available on each topic which allows thorough mastery of the concepts.
Free kids educational computer games and activities
Cool Math has free online cool math lessons, cool math games and fun math activities. Really clear math lessons (pre-algebra, algebra, precalculus), cool math games, online graphing calculators, geometry art, fractals, polyhedra, parents and teachers areas too.
From NCTM the National Council of Teachers of Mathematics.
FunBrain is the #1 site for online educational games for kids of all ages. (math, grammar, science, spelling, history)
This site has been developed to help people to sharpen their mind and improve their ability to think outside the box. In short this site is a gym dedicated to the wellness of the mind. Publisher recommends at least one puzzle a day to rev up the brain cells.
Johnnie's Math Page is the place to find the best math resources for kids and their teachers. You will find number activities, multiplication skill challenges, fraction lessons, statistics and probablity activities and a whole lot of math fun and math games here. Whether you are at school, working with a math tutor or homeschooling, Johnnie's Math Page has the math resource for you.