Sunday 18 September 2016

Roman numerals

In class, we have been learning about Roman numerals. Our task was to write our numbers in Roman numerals. For example,
 
I = 1
V = 5
X = 10
L = 50
C = 100
D = 500
M = 1000
 
245 = CCXLV
1973 = MCMLXXIII
575 = DLXXV
 
To make other numbers like 4,900 and  14 you have to do some subtracting.
 
 
this is how you write it ...
 
 
4 = IV
900 = CM
14 = XIV
 
 

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