Last updated on May 26th, 2025
Roman numerals are a way of expressing numbers using symbols. The symbols used are I, V, X, L, C, D, and M. 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, utilize Roman numerals. Have you noticed these names and wondered what these symbols (I and II) represented? Those are the Roman Numerals. Earlier, people used fingers, sticks, bones, etc., to count. As life became more complex, a standard form was required to count. Ancient Romans used the Roman Numeral system for this purpose. I (1), V (5), X (10), L (50), C (100), D (500), and M (1000) are the symbols used to count.
In Roman Numerals, we use CCVII to represent 207, where CC is 200, V is 5, 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.
Rule 1: Addition Method
The addition method is used when a smaller number is placed after a larger number. For example, VII → V + II → 5 + 2 = 7
Rule 2: Repetition Method
To write a large number, certain Roman Numerals can be repeated three times. For example, CCC → 300.
Rule 3: Subtraction Method
If a small number precedes a large number in Roman Numerals, we subtract the smaller number from the larger number. For example, IV → V - I → 5 - 1 = 4
Rule 4: Limitation Rule
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 8 is written as VIII, not IIIIIIII.
Let’s now learn how to write 207 in Roman Numerals. Follow these methods to write the number in Roman Numerals.
By Expansion Method
By Grouping Method
In the expansion method, based on the place value, the number is broken down. In this section, we will learn how to write 207 in Roman numerals using the expansion method.
To write 207 in Roman Numerals, follow the steps,
Step 1: Break down the number based on place value. Place values include ones, tens, hundreds, etc.
For 207, we write it as 200 + 7
Step 2: Convert each part into Roman Numerals:
200 in Roman Numerals — CC
7 in Roman Numerals — VII
Step 3: Combine them together:
Therefore, 207 in Roman Numerals is CC (200) + VII (7) = CCVII
When writing a large number in Roman Numerals, we group the number.
To write 207 in Roman Numerals, we group 207 as 200 + 7:
200 in Roman Numerals — CC
7 in Roman Numerals — VII
So, 207 is written as CCVII 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 discovered a document mentioning a battle that took place in the year CCVII. If another battle occurred XXI years later, what Roman numeral represents the year of the second battle?
The year of the second battle is CCXXVIII
The first battle took place in year 207, which is CCVII in Roman numerals. Adding 21 years (XXI) to 207 gives us 228. Therefore, the year of the second battle is 228, which is CCXXVIII in Roman numerals.
A museum has a collection of statues. There are CCXL statues displayed in the main hall and an additional XXVII stored in the warehouse. What is the total number of statues in the museum, and what is this number in Roman numerals?
The total number of statues is CCLXVII
The main hall has 240 statues (CCXL), and the warehouse has 27 statues (XXVII). Adding these together gives 240 + 27 = 267. In Roman numerals, 267 is written as CCLXVII.
A publisher plans to release a special edition book series that includes CCVII volumes. If they plan to distribute these volumes equally across IX libraries, how many volumes will each library receive?
Each library will receive XXIII volumes
The total number of volumes is 207 (CCVII), and they are to be distributed across 9 libraries (IX). Dividing 207 by 9 gives 23. Therefore, each library will receive 23 volumes, which is XXIII in Roman numerals.
In a board game, one player collects CCX points, and another player collects VII points. How many more points does the first player have compared to the second player, and what is this difference in Roman numerals?
The difference is CCIII
The first player has 210 points (CCX), and the second player has 7 points (VII). The difference is 210 - 7 = 203. In Roman numerals, 203 is written as CCIII.
A conference room has seating arrangements for eight sessions with each session accommodating XXVI participants. What is the total number of participants the conference room can handle, and how is this number represented in Roman numerals?
The total number of participants is CCVIII
Each of the 8 sessions accommodates 26 participants (XXVI). Therefore, the total capacity is 8 × 26 = 208 participants. In Roman numerals, 208 is represented as CCVIII.
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.