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Poster: Roman Numerals | Mathematics for Class 4

The document Poster: Roman Numerals | Mathematics for Class 4 is a part of the Class 4 Course Mathematics for Class 4.
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FAQs on Poster: Roman Numerals - Mathematics for Class 4

1. What are Roman numerals and how are they used?
Ans.Roman numerals are a numeral system originating from ancient Rome, using combinations of letters from the Latin alphabet (I, V, X, L, C, D, M) to represent numbers. They are primarily used in specific contexts such as clock faces, book chapters, and important events, like the Super Bowl or Olympic Games.
2. How do you convert Roman numerals to Arabic numbers?
Ans.To convert Roman numerals to Arabic numbers, you add the values of the symbols together, except when a smaller numeral precedes a larger one, in which case you subtract the smaller from the larger. For example, VI equals 6 (5 + 1), while IV equals 4 (5 - 1).
3. What are the rules for writing Roman numerals?
Ans.The rules for writing Roman numerals include: never using the same numeral more than three times in a row (e.g., III for 3), using a smaller numeral before a larger one to indicate subtraction (e.g., IX for 9), and combining numerals to represent numbers up to 3,999 (e.g., MMCMXCIX for 1999).
4. Why are Roman numerals still relevant today?
Ans.Roman numerals remain relevant today due to their aesthetic appeal and historical significance. They are commonly used in specific areas such as movie titles, sporting events, and formal documents. Their unique style adds a classic touch that is often desired in design and branding.
5. Can Roman numerals be used for very large numbers?
Ans.Roman numerals can represent numbers up to 3,999 using the standard system. For larger numbers, additional notation or variations are sometimes used, such as placing a line over a numeral to indicate multiplication by 1,000, but this is less common in modern usage.
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