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Last updated on February 22nd, 2025
Roman numerals are a way of expressing numbers using symbols. I, V, X, L, C, D, and M are the symbols we use. Roman Numerals are used in royal titles, book names, sequences, and so on. Here we will be discussing Roman Numerals, rules, and examples.
Royal titles such as Henry I, Henry II, and others use Roman Numerals. Have you noticed the names and wondered what these symbols represented? Those are Roman Numerals. In ancient times, people counted using fingers, sticks, and bones. As life became complex, a standard form of counting was needed.
Ancient Romans used the Roman Numeral system for counting. The symbols I (1), V (5), X (10), L (50), C (100), D (500), and M (1000) are used in this system. In Roman Numerals, we use DXXII to represent 522, where D is 500, X is 10, and II is 2.
Let’s learn more about Roman numerals and how we write them.
There are certain basic rules to write a number in Roman Numerals. In this section, let’s discuss some basic rules that need to be remembered when writing a number in Roman numerals.
The addition method is used when a smaller number is placed after a larger number. For example, DXXII → D + X + X + I + I → 500 + 10 + 10 + 1 + 1 = 522.
To write larger numbers, certain Roman Numerals can be repeated three times. For example, XXX → 30.
If a smaller number precedes a larger one in Roman Numerals, we subtract the smaller number. For example, IX → X - I → 10 - 1 = 9.
Symbols cannot be repeated more than three times, and some symbols like V, L, and D cannot be repeated. For example, 50 is written as L, not XXXXX.
Let’s now learn how to write 522 in Roman Numerals. Follow these methods to write the number in Roman Numerals: -
In the expansion method, based on the place value, the number is broken down. In this section, we will learn how to write 522 in Roman numerals using the expansion method. To write 522 in Roman Numerals, follow the steps:
Step 1: Break the number based on place value: hundreds, tens, and ones. 522 can be written as 500 + 20 + 2.
Step 2: Convert the numbers into Roman Numerals:
Step 3: Combine the Roman Numerals together. Therefore, 522 in Roman Numerals is D (500) + XX (20) + II (2) = DXXII.
When writing a large number in Roman Numerals, we group the numbers. To write 522 in Roman Numerals, we group 522 as 500 + 20 + 2.
So, 522 is written as DXXII in Roman Numerals.
Calculate the sum of CDXXII and C.
A historian needs to divide MXLIV ancient coins among two groups equally. Determine how many coins each group receives.
Find the difference between DXXII and IV.
Convert the sum of CCLXI and CCLXI into Roman numerals.
If a library receives DXXII new books, how many books will it have if it already had CCC books?
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.