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Last updated on February 26th, 2025
Roman numerals are a way of expressing numbers using symbols. I, V, X, L, C, D, and M are the symbols used. Roman numerals are utilized in royal titles, book names, sequences, and more. Here, we will discuss Roman numerals, their rules, and examples.
Royal titles, such as Henry I, Henry II, and so on, often use Roman numerals. Have you noticed these symbols and wondered what they represent? Those are the Roman numerals. In ancient times, people would count using fingers, sticks, or bones. As civilization advanced, a standardized method was needed. Thus, the Romans developed the Roman numeral system. The symbols used are I (1), V (5), X (10), L (50), C (100), D (500), and M (1000).
In Roman numerals, 966 is written as CMLXVI, where CM is 900, LX is 60, and VI is 6. Let’s learn more about Roman numerals and how to write them.
Certain rules must be followed to write a number in Roman numerals. Let's discuss some basic rules that need to be remembered when writing numbers in Roman numerals.
The addition method is used when a smaller numeral follows a larger numeral, indicating that the values are added together. For example, VI → V + I → 5 + 1 = 6.
Some Roman numerals can be repeated up to three times to represent larger numbers. For example, XXX → 30.
If a smaller numeral precedes a larger numeral, the smaller numeral is subtracted from the larger one. For example, CM → M - C → 1000 - 100 = 900.
Symbols cannot be repeated more than three times, and some symbols like V, L, and D cannot be repeated. For example, we write 10 as X and not VV, and 8 as VIII, not IIIIIIII.
Let’s learn how to write 966 in Roman numerals using different methods.
In the expansion method, the number is broken down according to place value. In this section, we will learn how to write 966 in Roman numerals using this method.
To write 966 in Roman Numerals, follow these steps:
Step 1: Break down the number based on place value (ones, tens, hundreds, etc.). For 966, break it down as 900 + 60 + 6.
Step 2: Convert each part into Roman numerals:
Step 3: Combine these Roman numerals together. Therefore, 966 in Roman Numerals is CM (900) + LX (60) + VI (6) = CMLXVI.
When writing a large number in Roman numerals, we group the number. To write 966 in Roman numerals, group 966 as 900 + 60 + 6.
So, 966 is written as CMLXVI in Roman Numerals.
If a historian discovers a manuscript dated CMLXVI and another dated DCCCXVI, what is the difference in years between them?
A collector has DCCXXV coins and wants to distribute them equally among XV friends. How many coins does each friend receive?
Combine the volumes of two ancient jars, one holding CCCLXXX liters and the other holding DLXXXVI liters. What is the total volume in Roman numerals?
A scribe needs to transcribe a document that is CXX pages long, but the last XI pages are missing. How many pages does the scribe have?
Calculate the sum of the numbers LXXXVIII and DCCCLXXVIII using the expansion method.
Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.
: She loves to read number jokes and games.