4th Class Mathematics Roman numerals Roman Numerals

Roman Numerals

Category : 4th Class

Roman Numerals

 

Synopsis

 

       Rules for writing Roman Numerals:

 

(a) If a smaller numeral is written after a larger numeral, their values are added.

e.g.,  

 

(b) If a smaller numeral is written before a larger numeral, its value is subtracted from that of the larger numeral.

e.g.,

 

(c) Repetition of a numeral means addition.

 

Note: A Roman numeral can be repeated can be repeated to a maximum of three times.

 

e.g.,

 

(d) If a smaller numeral is placed between two larger numerals, the value of the smaller numeral is subtracted from the value of the larger numeral following it.

e.g.,  (and not)

 

Remember:

(a) V is never repeated.

(b) V can never be subtracted from X.

(c) I can be subtracted only from V and X.

 

 

Other Topics

Notes - Roman Numerals
  15 10



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