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.
Virtual exhibit looks at the ways people use math every day, from cooking to planning for retirement.
Collection of exercises and puzzles for all ages and abilities.
Features interactive math lessons, homework help, worksheets, puzzles, message boards, and newsletters.
This site has been created so that students can have fun and practice math. Includes lessons in addition, subtraction, multiplication, geometry.
Math problems that tell a story about a frog named Ribbit. For K-8.
Ask Dr. Math questions, or try your hand at the weekly puzzlers.
An animated, interactive math dictionary defining common math terms and concepts. [Requires Flash 5]
Free downloadable flash card game for children aimed at improving their mathematics skills with lessons aimed at various age groups.
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.
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