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Arithmetic with Roman Numerals

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Visit this site: http://www.jimloy.com/arith/roman.htm
Author:Jim Loy
Description: "It is fairly obvious that Roman numerals are more difficult to use than our arabic numerals. They are fine for recording a date or indicating a chapter number. But, they make arithmetic somewhat difficult....Egypian numerals are essentially Roman numerals, with no fives, or 50's, or 500's... In Egyptian, numbers are longer than in Roman numerals, but arithmetic is simpler. There are fewer "carries" and no "borrows" when adding, so a person might guess that calculation was done more often in Egypt than in the Roman Empire...." A nice clear description, with some illustrations.
Levels: Elementary, Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Articles
Math Topics: Arithmetic/Early Math, History and Biography

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