Did you know that we still use ancient Roman numbers nowadays?
Romans used to use letters to write numbers: I is one, V is five, X is ten, L is fifty, C is a hundred, D is five hundred and M is a thousand.
Today we use them for example next to Kings' or Queens' names (Elisabeth II, Richard III) or to count movies. Today I went to see Star Wars VII!
Watch out, there are rules to follow: Forty is not XXXX, it is XL (fifty minus ten because ten is to the left of fifty). 6O (fifty plus ten) is LX.
Other examples:
Romans used to use letters to write numbers: I is one, V is five, X is ten, L is fifty, C is a hundred, D is five hundred and M is a thousand.
Today we use them for example next to Kings' or Queens' names (Elisabeth II, Richard III) or to count movies. Today I went to see Star Wars VII!
Watch out, there are rules to follow: Forty is not XXXX, it is XL (fifty minus ten because ten is to the left of fifty). 6O (fifty plus ten) is LX.
Other examples:
- Ninety is XC.
- CCCCXXI means 421.
- This year we are in MMXVI (2016).
- MMMMDCXLII is 4642.
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