Math (or mathematics) is the study of numbers, or variables representing numbers, and the way they can be used to solve everyday problems, and learn about the world around us.

Some applications of math are in the areas of money, physics, computer programming, fractal music and geometric art.

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Some applications of math are in the areas of money, physics, computer programming, fractal music and geometric art.

More information

### Subcategories 17

### Related categories 3

### Sites 31

A+ Math

[ Kids ]
Helps students improve their math skills interactively with flashcards and games. Also provides worksheets and homework help.

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.

All Elementary Mathematics

[ Teens/Mature Teens ]
An online mathematical high school. Arithmetic, algebra, geometry, trigonometry, functions and graphs, analysis. Theory and solving problems. Also has practice exams and math jokes.

Allmath.com

[ Kids/Teens ]
Features free flashcards, a magic square game, biographies of mathematicians, and other resources.

Apples4theteacher.com

[ Kids/Teens ]
Offers games on counting, telling time, making change, measurement, and shapes.

Convertalot

[ Kids/Teens/Mature Teens ]
A collection of free Java-based measurements converters, calculators, and unit translators.

ConvertIt.com

[ Kids/Teens/Mature Teens ]
Calculators for a variety of subjects, including measurement conversion, interest, distance, time zones, and currency.

Cynthia Lanius' Fractals Unit

[ Mature Teens ]
Explains the unusual concept of partial dimensions and shows comparisons to a dot, line, plane and cube.

Fact Monster - Math

[ Kids/Teens ]
Learn about numbers, measurement, money, tables and formulas. Includes conversion calculator, games and quizzes.

Fugues of the Well-Tempered Clavier

[ Teens/Mature Teens ]
Interactive Director movie comparing a fugue by Johann Sebastian Bach to a fractal.

GCSE Maths

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

Harcourt Math Glossary

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

Interactive Mathematics

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

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

[ Kids/Teens ]
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.

Marlene's Math Fun Sites

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

Math Forum: Student Center

[ Kids/Teens/Mature Teens ]
Ask Dr. Math questions, or try your hand at the weekly puzzlers.

Math Goodies

[ Kids/Teens/Mature Teens ]
Features interactive math lessons, homework help, worksheets, puzzles, message boards, and newsletters.

Math Help: Exercises and Activities

[ Kids/Teens/Mature Teens ]
Interactive activities and quizzes in basic arithmetic, algebra, and trigonometry. Also includes brain teasers and puzzles.

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.

Math Worksheets

[ Kids/Teens ]
Features printable worksheets for students to practice with.

Math.com

[ Kids/Teens/Mature Teens ]
Offers free math lessons and homework help, with an emphasis on geometry, algebra, statistics, and calculus. Also provides calculators and games.

mathmistakes.info

[ Teens/Mature Teens ]
A selection of common mistakes made by students in algebra, trigonometry and calculus.

A Maths Dictionary for Kids

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

Maths Is Fun

[ Kids/Teens ]
Includes lessons, games, puzzles, and offline activities.

MathSite

[ Teens/Mature Teens ]
Interactive exhibits include polygon dissection and stick sorting.

MathStories.com: Word Problem Solving Strategies

[ Kids ]
Tips for solving word problems for K-5th graders.

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.

Online Calculator

[ Kids/Teens ]
Use this tool to find answers to math-related problems.

Online Math Learning

[ Teens/Mature Teens ]
Learn basic concepts behind arithmetic, algebra and geometry. Includes some SAT test preparation help and math trivia.

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.

XP Math

[ Kids/Teens/Mature Teens ]
Features a collection of math games, forum, and a list of jobs that need math.

### Other languages 16

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