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[Grade 6 Chapter 8 Math World]

Division and Fractions 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.

SHOEINFONET: Shoe History
Click on "About Shoes -> Shoe History" to find out how shoes are made and see how they've changed through the centuries. Compare their similarities and differences.
http://www.shoeinfonet.com/

The Abacus
The history, construction, anatomy, and technique of using the abacus are described. There are links to learning about adding and subtracting with the abacus, the abacus vs. the electronic calculator, and the abacus museum.
http://www.ee.ryerson.ca:8080/~elf/abacus

Sumerian and Babylonian Numerals
This site may help you understand why the number 60 was so often used by the Babylonians.
http://scitsc.wlv.ac.uk/university/scit/modules/mm2217/sbn.htm

Calculating Machines
Created by computer engineer and collector Erez Kaplan, this site explains and displays a variety of adding and calculating machines and the developmental history of calculating machines. You may wish to start your exploration by clicking the Classification and pictorial view link.
http://www.webcom.com/calc/


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