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Last updated on February 23rd, 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 so on, use Roman numerals. Have you noticed the names and wondered what these symbols (I and II) represented? Those are Roman numerals. In ancient times, people used fingers, sticks, bones, etc., to count. As life became more complex, a standard form was required for counting.
Ancient Romans used the Roman numeral system to count. I (1), V (5), X (10), L (50), C (100), D (500), and M (1000) are the symbols used for counting. In Roman numerals, we use DII to represent 502. Here, D is 500, 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 the smaller number is placed after the larger number. For example, DII → D + I + I → 500 + 2 = 502
To write a large number, certain Roman numerals can be repeated up to three times. For example, II → 2.
If a smaller number precedes a larger number in Roman numerals, we subtract the smaller number from the larger number. For example, IV → V - I → 5 - 1 = 4.
The symbols cannot be repeated more than three times, and some symbols like V, L, and D cannot be repeated. For example, we won't write DD for 1000; instead, we use M.
Let’s now learn how to write 502 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 502 in Roman numerals using the expansion method. To write 502 in Roman numerals, follow these steps:
Step 1: Break the number based on place value, such as ones, tens, hundreds, etc. For 502, we write it as 500 + 2.
Step 2: Convert the numbers into Roman numerals.
Step 3: Combine the Roman numerals together. Therefore, 502 in Roman numerals is D (500) + II (2) = DII
When writing a large number into Roman numerals, we group the number. To write 502 in Roman numerals, we group 502 as 500 + 2.
So, 502 is written as DII in Roman numerals.
Calculate the sum of CCLVI and CCXLVI.
A historian finds a document from ancient Rome that mentions DII soldiers divided into II battalions. How many soldiers are in each battalion?
Convert the difference between M and CDXCIII into Roman Numerals.
A treasure map indicates a location at the intersection of DL and XLVIII steps. Combine these coordinates into a single Roman numeral.
A collection of ancient coins is divided into two groups: CCCL and CLII. Find the total number of coins and express it in Roman numerals.
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.