Internet Links

Following are links to Internet resources that can be used to support instruction of the Math World feature for this chapter.

Soroban Museum
This is a small Internet museum featuring abacuses from around the world. Each is illustrated with a nice photo.
http://www.soroban.com/museum/index_eng.html

The Abacus: The Art of Calculating with Beads
This site is devoted to all things abacus. It includes a virtual Java abacus you can use on your computer. There is information for ordering a real abacus, plus directions for building your own LEGO® abacus. The site provides a complete history of the abacus, including a comparison of Japanese, Chinese, and Aztec models.
http://www.ee.ryerson.ca:8080/~elf/abacus/