Back to basics!
The number symbols we use every day came from Arabia and are called Arabic numerals. A different system was used in ancient Rome, namely symbols known as Roman numerals. The Roman numeral system uses six basic symbols: I (one), V (five), X (ten), L (fifty), C (one hundred), and M (one thousand).
Some charioteers became celebrities in Ancient Rome. Fans admired their skills and bravery, and successful charioteers could earn significant wealth and fame.
There are two rules for writing Roman numerals:
1. Putting a numeral of lesser value before a numeral of greater value decreases the second numeral by the amount of the first. Thus IV equals four because V (five)