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Last updated on February 24th, 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 more. 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 these symbols (I, II) and wondered what they represent? Those are Roman numerals. Early people used fingers, sticks, bones, etc., to count. As life became more complex, a standard form was required.
Ancient Romans developed the Roman numeral system. The symbols I (1), V (5), X (10), L (50), C (100), D (500), and M (1000) are used. In Roman numerals, we use DCXCIV to represent 694. Here, D is 500, C is 100, XC is 90, and IV is 4.
Let’s learn more about Roman numerals and how we write them.
There are certain basic rules for writing numbers in Roman numerals. In this section, let’s discuss some basic rules that need to be remembered.
The addition method applies when a smaller number follows a larger one. For example, VI → V + I → 5 + 1 = 6.
Some Roman numerals can be repeated up to three times. For instance, CCC → 300.
If a smaller number precedes a larger number, subtract the smaller from the larger. For example, IV → V - I → 5 - 1 = 4.
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, not VV.
Let’s learn how to write 694 in Roman numerals using two methods:
In the expansion method, the number is broken down based on place values. We will learn how to write 694 in Roman numerals using this method.
Step 1: Break the number based on place value: 600 + 90 + 4
Step 2: Convert each part into Roman numerals:
Step 3: Combine them: Therefore, 694 in Roman Numerals is DC + XC + IV = DCXCIV
When writing large numbers in Roman numerals, we group the numbers. To write 694 in Roman numerals, we group 694 as 600 + 90 + 4:
So, 694 is written as DCXCIV in Roman numerals.
Find the difference between DCC and VI.
A library distributes DCCXCIV pages among XIV students equally. How many pages does each student receive?
Find the sum of CCCLII and CCCXLII.
Multiply XLIX by XIV. What is the result in Roman numerals?
Write the Roman Numeral for 400 + 294 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.