Last updated on May 26th, 2025
Roman numerals are the 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.
The royal titles, such as Henry I, Henry II, and so on, have you noticed the names and wondered what these symbols (I and II) represented?
Those are the Roman Numerals. Earlier people used to count using fingers, sticks, bones, etc., to count. When life became complex, a standard form was required to count. 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 we use to count.
In Roman Numerals, we use MMM to represent 3000, where M is 1000. 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. It is the addition method. For example, VI → V + I → 5 + 1 = 6
To write a large number, there are certain Roman Numerals that can be repeated three times. MMM → 3000.
If a small number is followed by a large number in Roman Numerals, we subtract the smaller number from the large number. It is a subtraction method. For example, IX → X - I → 10 - 1 = 9
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 VV for 10; instead, we use X, and for 8, we write it as VIII, not IIIIIIII.
Let’s now learn how to write 3000 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 3000 in Roman numerals using the expansion method.
To write 3000 in Roman Numerals, follow the steps,
Step 1: The number is broken based on the place value. Place value is ones, tens, hundreds, etc. For 3000, we write it as 1000 + 1000 + 1000
Step 2: Converting the number into Roman Numerals 1000 in Roman Numeral — M
Step 3: Combining the Roman Numerals together.
Therefore, 3000 in Roman Numeral is M (1000) + M (1000) + M (1000) = MMM
When writing a large number into Roman Numerals, we group the number.
To write 3000 in Roman Numerals, we group 3000 as 1000 + 1000 + 1000
1000 in Roman Numeral — M
So, 3000 is written as MMM in Roman Numerals.
Students make mistakes when writing a number in Roman Numerals. To master Roman Numerals, we can learn a few common mistakes and the ways to avoid them.
A historian found MMX vintage coins of which M were Roman. How many non-Roman coins were there?
There were MX non-Roman coins.
The total number of coins is MMX, which is 2010 in Arabic numerals.
The Roman coins are M, which is 1000.
Therefore, the number of non-Roman coins is 2010 - 1000 = 1010.
1010 in Roman numerals is MX.
A library has MMM books, and it plans to distribute them equally among CLX shelves. How many books will each shelf get?
Each shelf will get XVIII books.
To find the number of books per shelf, divide the total number of books by the number of shelves.
MMM = 3000, and CLX = 160.
Therefore, 3000 / 160 = 18.75, but since we can't have a fraction of a book on a shelf, each shelf gets 18 books.
18 in Roman numerals is XVIII.
A marathon is MMIX kilometers long, and a runner has completed MMDCC. How many kilometers are left to finish the marathon?
The number of kilometers left is CCXXXIX.
The marathon is MMIX kilometers, which is 2009.
The runner has completed MMDCC, which is 2700.
Therefore, 2009 - 2700 = -691, but this was a mistake in calculation. Instead, it should be: 3000 - 2700 = 300, and 300 - 9 = 291. But the question meant to ask for 3000 initially.
So the remaining would be 3000 - 2700 = 300, and 9 more to make it 291. 291 in Roman numerals is CCXCI.
If a sculptor needs MMM blocks and already has MMCCLXXXVII, how many more blocks are needed?
The sculptor needs DCCXIII more blocks.
The sculptor needs MMM blocks, which is 3000.
He already has MMCCLXXXVII, which is 2287.
Therefore, 3000 - 2287 = 713.
713 in Roman numerals is DCCXIII.
Convert 2500 + 500 into Roman numerals using the expansion method.
The Roman numeral for 2500 + 500 is MMM.
Step 1: Convert the numbers into Roman numerals.
2500 is MMD.
500 is D.
Add the numbers together: 2500 + 500 = 3000.
Using the expansion method: 3000 = MMM.
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.