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 earlier. 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 CCCXXXIII to represent 333. Here, CCC is 300, XXX is 30, and III is 3. 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, then it is the addition method. For example, CCCXXXIII → CCC + XXX + III → 300 + 30 + 3 = 333
To write a large number, there are certain Roman Numerals that can be repeated three times. For example, III → 3 and CCC → 300.
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 VIII, not IIIIIIII.
Let’s now learn how to write 333 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 333 in Roman numerals using the expansion method.
To write 333 in Roman Numerals, follow the steps:
Step 1: The number is broken based on the place value. Place value that is ones, tens, hundreds, etc.
For 333, we write it as 300 + 30 + 3
Step 2: Converting the number into Roman Numerals:
- 300 in Roman Numeral — CCC
- 30 in Roman Numeral — XXX
- 3 in Roman Numeral — III
Step 3: Combining them Roman Numerals together:
Therefore, 333 in Roman Numeral is CCC (300) + XXX (30) + III (3) = CCCXXXIII
When writing a large number into Roman Numeral, we group the number.
To write 333 in Roman Numeral, we group 333 as 300 + 30 + 3:
- 300 in Roman Numeral — CCC
- 30 in Roman Numeral — XXX
- 3 in Roman Numeral — III
So, 333 is written as CCCXXXIII in Roman Numerals.
Students often make mistakes when writing a number in Roman Numerals. To master Roman Numerals, we can learn a few common mistakes and ways to avoid them.
A historian discovers an ancient Roman artifact marked with the numerals CCC and needs to calculate the total when combined with another artifact marked with XXXIII. What is the total in Roman numerals?
The total of CCC and XXXIII is CCCXXXIII
CCC = 300
XXXIII = 33
The sum of 300 and 33 is 333.
333 in Roman numerals is CCCXXXIII.
A puzzle requires you to distribute CCCXXXIII marbles equally into XI jars. How many marbles will each jar contain?
Each jar will contain XXX marbles
To find the number of marbles per jar, divide the total marbles by the number of jars:
CCCXXXIII = 333
XI = 11
333 / 11 = 30
30 in Roman numerals is XXX.
A collector combines his CCCXX collection with an additional XIII items. How many total items does he have, and what is this number in Roman numerals?
The total number of items is CCCXXXIII
CCCXX = 320
XIII = 13
320 + 13 = 333
333 in Roman numerals is CCCXXXIII.
Calculate the difference between CCCXL and CCCIII. Express the result in Roman numerals.
The difference between CCCXL and CCCIII is XXXVII
CCCXL = 340
CCCIII = 303
340 - 303 = 37
37 in Roman numerals is XXXVII.
Convert the sum of 160 and 173 into Roman numerals using the expansion method.
The Roman numeral for 160 + 173 is CCCXXXIII
Step 1: Convert the numbers 160 and 173 into Roman numerals
160 = CLX
173 = CLXXIII
Add the numbers together: 160 + 173 = 333
Using expansion method: 333 = 300 + 30 + 3 = CCCXXXIII
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.