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 ~7 Roman Numerals for you~

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PostSubject: ~7 Roman Numerals for you~   Tue Apr 08, 2008 5:51 am

Hello,

7 Roman Numerals

You know that 50 + 50 =100 . But do you know that L + L = C?

The numbers that we normally use (1, 2, 3 etc) are called "Arabic numerals". But we sometimes use another system for writing numers - "Roman numerals". The Romans used letters of the alphabet to represent numbers, and you will occasionally see this system used for page numbers, clock faces, dates of movies etc.

There are 7 letters used for Roman numerals:

I = 1
V = 5
X = 10
L = 50
C = 100
D = 500
M = 1000

In general, letters are placed in decreasing order of value, eg XVI = 16. Letters can be repeated one or two times to increase value, eg XX = 20, XXX = 30. Letters cannot be repeated three times, so XXXX is not used for 40. In this case, XL = 40 (50 minus 10).

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