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[Grade 5 Chapter 1 Math World]

Addition and Subtraction Around the World

Internet Links

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

Rod Numerals (Counting Rods)
The Chinese used counters for recording measurements and calculating, much like the Greeks and Romans. Learn more about the Chinese Rod Numerals in this site.

Soroban Museum
This is a small Internet museum featuring abacuses from around the world. Each is illustrated with a nice photo.

Kids Web Japan
This fun site provides basic facts about Japan and the hippest culture. Check out the cookbook for kids.

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.

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