Math in Daily Life [ Kids/Teens/Mature Teens ] - Virtual exhibit looks at the ways people use math every day, from cooking to planning for retirement. http://www.learner.org/exhibits/dailymath/

Math Worksheets [ Kids/Teens ] - Features printable worksheets for students to practice with. http://www.teach-nology.com/worksheets/math/

Math.com [ Teens/Mature Teens ] - Offers free math lessons and homework help, with an emphasis on geometry, algebra, statistics, and calculus. Also provides calculators and games. http://www.math.com/

MathBlues [ Teens/Mature Teens ] - Articles, discussion groups, and news that aim to show high school students the fun, creative side of math. Also provides SAT tips and homework help resources. Encourages submission of writing and artwork by students. http://www.mathblues.com

Mathematics Magazine for Grades 1-12 [ Kids/Teens/Mature Teens ] - Monthly publication offering math help, list of competitions, and links. http://www.mathematicsmagazine.com

Maths Is Fun [ Kids/Teens ] - Includes lessons, games, puzzles, and offline activities. http://www.mathsisfun.com/

Maths on the Web [ Kids/Teens ] - Collection of exercises and puzzles for all ages and abilities. http://www.members.aol.com/ukhostmths/mathson/mathson.htm

Mathsforkids [ Kids/Teens ] - This site has been created so that students can have fun and practice math. Includes lessons in addition, subtraction, multiplication, geometry. http://www.mathsforkids.com/

MathStories.com: Word Problem Solving Strategies [ Kids ] - Tips for solving word problems for K-5th graders. http://www.mathstories.com/strategies.htm

Mathwizz.com [ Kids/Teens/Mature Teens ] - Interactive worksheets and quizzes in basic math, pre-algebra, algebra, geometry, and statistics. Find calculators to compute interest and conversion tools for currency, area, temperature, and other units of measurement. Also runs a weekly math contest. http://www.mathwizz.com

More Mathematics than Science [ Teens ] - Learn how to use expressions to represent numbers, work with variables and create special drawings to represent equations. Also has a brief introduction to trigonometry and curve fitting. Includes interactive graphs. http://id.mind.net/~zona/mmts/mmts.html

Online Math Applications [ Kids/Teens ] - Explains the role of math in investing, music, history, science, and travel. Includes stock simulation game. http://library.thinkquest.org/4116/

Online Math Learning [ Teens/Mature Teens ] - Learn basic concepts behind arithmetic, algebra and geometry. Includes some SAT test preparation help and math trivia. http://www.onlinemathlearning.com

Pi R Squared: Fractals [ Mature Teens ] - Explains the properties of fractal graphic images that can be created with special formulas. Also, introduces chaos theory and infinity. Offers free online help. http://www.freewebs.com/pirsquared/fractals.htm

Plot the Robot [ Kids/Teens ] - Activity site involving multiplication and calculator work. The answers are coordinates which can be joined in sequence to generate simple pictures. http://www.jcutting.freeserve.co.uk/

Powers of Ten [ Teens/Mature Teens ] - Produced by Charles and Ray Eames, the video 'Powers of Ten' has been converted into web images. Explores over 42 powers of ten in a series of images, beginning with a photo of someone lying on the grass. Shows the scale of the universe and atoms. http://www.wordwizz.com/pwrsof10.htm

Ribbit's Math Ventures [ Kids/Teens ] - Math problems that tell a story about a frog named Ribbit. For K-8. http://www.mohonasen.org/staffdev/mathven/Ribbit/rdefault.htm

Teach R Kids Math [ Kids ] - A large collection of interactive worksheets that allows kids to practice basic math skills. http://www.teachrkids.com/

The Abacus: The Art of Calculating with Beads [ Kids/Teens/Mature Teens ] - Introduces the abacus, relates its history, and shows how to perform basic mathematical operations on it. Also answers questions about the ancient tool and shows how to build one with Legos. http://www.ee.ryerson.ca:8080/~elf/abacus/

Themathlab.com [ Teens ] - A collection of educational math games and lessons for pre-algebra, algebra, and geometry. Includes practice problems and drills, a math dictionary, and a humor section. http://www.themathlab.com