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Chinese and Roman Numeration system.
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Chinese Numeration system
NumberEnglishChinese NumberChinesePronunciation
1oneyee
2twouhr
3threesahn
4foursuh
5fivewoo
6sixlyo
7sevenchee
8eightbah
9ninejyo
10tenshi
ROMAN NUMEATION SYSTEM
Ancient Romans used a special method of showing numbersExamples: They wroteIIIinstead of3And wroteIXinstead of9Read on to learn about Roman Numerals or go straight to theRoman Numeral Conversion Tool.The Roman SymbolsRomans Numerals are based on the following symbols:1510501005001000
IVXLCDM
Basic CombinationsWhich can be combined like this:123456789
IIIIIIIVVVIVIIVIIIIX
102030405060708090
XXXXXXXLLLXLXXLXXXXC
100200300400500600700800900
CCCCCCCDDDCDCCDCCCCM
Forming Numbers - The RulesWhen a symbol appearsafter a largersymbol it isadded Example: VI = V + I = 5 + 1 = 6But if the symbol appearsbefore a largersymbol it issubtracted Example: IX = X - I = 10 - 1 = 9Don't use the same symbol more than three times in a row.Remember:After Larger isAddedReally Big NumbersNumbers greater than 1,000 are formed by placing a dash over the symbol, meaning "times 1,000", but these are not commonly used:5,00010,00050,000100,000500,0001,000,000
VXLCDM
How to Convert to Roman NumeralsBreak the number into Thousands, Hundreds, Tens and Ones, and write down each in turn.Example: Convert 1984 to Roman Numerals.
Break 1984 into 1000, 900, 80 and 4, then do each conversion 1000 = M 900 = CM 80 = LXXX 4 = IV1000 + 900 + 80 + 4 = 1984, so1984 = MCMLXXXIV