A Maths Dictionary for Kids

An animated, interactive math dictionary defining common math terms and concepts. [Requires Flash 5]

http://www.amathsdictionaryforkids.com/

Allmath.com

Features free flashcards, a magic square game, biographies of mathematicians, and other resources.

http://www.allmath.com/

Amazing Mathematical Object Factory

Offers tutorials on a variety of math topics including subsets, permutations, and Fibonacci sequences.

http://theory.cs.uvic.ca/amof/

Apples4theteacher.com

Offers games on counting, telling time, making change, measurement, and shapes.

http://www.apples4theteacher.com/math.html

Convertalot

A collection of free Java-based measurements converters, calculators, and unit translators.

http://www.convertalot.com/

Dositey.com

Interactive lessons and exercises, open-ended questions, printable worksheets, and challenging problems sorted by topic and grade range.

http://www.dositey.com/

Fact Monster - Math

Learn about numbers, measurement, money, tables and formulas. Includes conversion calculator, games and quizzes.

http://www.factmonster.com/mathmoney.html

Fugues of the Well-Tempered Clavier

Interactive Director movie comparing a fugue by Johann Sebastian Bach to a fractal.

http://jan.ucc.nau.edu/~tas3/wtc/i16.html

GCSE Maths

Provides detailed descriptions of all the common subjects, concepts, and theorems, with examples and graphics to help explain the material.

http://www.gcse.com/maths/

Harcourt Math Glossary

Animated and illustrated definitions of math terms for elementary school students. Organized by grade level and alphabetically. [Requires Flash]

http://www.hbschool.com/glossary/math2/index_temp.html

Interactive Mathematics

Online exercises through which children can explore and examine math concepts while at home.

http://nlvm.usu.edu/en/nav/grade_g_2.html

Kids' Place: Roz's Math-o-Rama

Features opinion polls, study tips, online math games, word problems, glossary, and interactive puzzles. Includes different sections for levels from kindergarten through the sixth grade.

http://www.eduplace.com/kids/mw/

Marlene's Math Fun Sites

Learn how to work with fractions and decimals, solve word problems, find the basic units of measurements, or do basic operations in trigonometry.

http://www.marlenesite.com/pmath.php

Math Forum: Student Center

Ask Dr. Math questions, or try your hand at the weekly puzzlers.

http://mathforum.org/students/

Math Help: Exercises and Activities

Interactive activities and quizzes in basic arithmetic, algebra, and trigonometry. Also includes brain teasers and puzzles.

http://www.syvum.com/squizzes/math/

Math Worksheets

Features printable worksheets for students to practice with.

http://www.teach-nology.com/worksheets/math/

MathSite

Interactive exhibits include polygon dissection and stick sorting.

http://mathsite.math.berkeley.edu/

MathStories.com: Word Problem Solving Strategies

Tips for solving word problems for K-5th graders.

http://www.mathstories.com/strategies.htm

Maths Is Fun

Includes lessons, games, puzzles, and offline activities.

http://www.mathsisfun.com/

Mathsforkids

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/

More Mathematics than Science

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://zonalandeducation.com/mmts/mmts.html

Online Calculator

Use this tool to find answers to math-related problems.

http://www.poks.org/

Online Math Learning

Learn basic concepts behind arithmetic, algebra and geometry. Includes some SAT test preparation help and math trivia.

http://www.onlinemathlearning.com/

Powers of Ten

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

The Abacus: The Art of Calculating with Beads

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/

XP Math

Features a collection of math games, forum, and a list of jobs that need math.

http://www.xpmath.com/