School Time

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.

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

Includes lessons, games, puzzles, and offline activities.

Math games, problems, calculators, puzzles, and fun and for all levels.

An animated, interactive math dictionary defining common math terms and concepts.

Offers free math lessons and homework help, with an emphasis on geometry, algebra, statistics, and calculus. Also provides calculators and games.

Hundreds of categorized links to thousands of pages suitable for students.

Answers to questions kids ask including: Why is the sky blue? Why do we burp? What makes the moon glow? Questions are divided into subject areas such as animals, sports and outer space.

Helps with memorization tasks through a variety of online flashcard activities. Students may use an existing studystack or create one of their own. Site includes many topics including science, literature and languages.

Articles, games, humor and puzzles for many school areas including art, computers, English, foreign languages, health, home economics, mathematics, music, physical education, science, social studies and technology.