Last updated on May 26th, 2025
Roman numerals are a way of expressing numbers using symbols such as I, V, X, L, C, D, and M. Roman Numerals are used in various contexts, such as royal titles, book names, sequences, and more. Here we will be discussing Roman Numerals, their rules, and examples.
Royal titles, such as Henry I, Henry II, and so on, include Roman numerals. Have you noticed these names and wondered what these symbols (I and II) represented? Those are Roman Numerals. In earlier times, people used fingers, sticks, bones, etc., to count. As life became complex, a standardized form was required. Ancient Romans used the Roman Numeral system for counting. The symbols used are I (1), V (5), X (10), L (50), C (100), D (500), and M (1000).
In Roman Numerals, we use CCCXXII to represent 322, where C is 100, X is 10, and I is 1. 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, XXII → X + X + I + I → 10 + 10 + 1 + 1 = 22
Rule 2: Repetition Method
To write a large number, certain Roman Numerals can be repeated up to three times. For example, CCC → 300.
Rule 3: Subtraction Method
If a small number is followed by a large number, we subtract the smaller number from the large one. For example, IX → X - I → 10 - 1 = 9
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, instead of writing CCCCCC for 600, we use DC.
Let’s now learn how to write 322 in Roman Numerals. Follow these methods to write the number in Roman Numerals.
In the expansion method, based on place value, the number is broken down. In this section, we will learn how to write 322 in Roman numerals using the expansion method.
To write 322 in Roman Numerals, follow the steps:
Step 1: Break the number based on place value: hundreds, tens, and ones.
For 322, we write it as 300 + 20 + 2
Step 2: Convert the number into Roman Numerals:
300 in Roman Numeral — CCC
20 in Roman Numeral — XX
2 in Roman Numeral — II
Step 3: Combine the Roman Numerals:
Therefore, 322 in Roman Numeral is CCC (300) + XX (20) + II (2) = CCCXXII
When writing a large number into Roman Numerals, we group the number.
To write 322 in Roman Numerals, we group 322 as 300 + 20 + 2
300 in Roman Numeral — CCC
20 in Roman Numeral — XX
2 in Roman Numeral — II
So, 322 is written as CCCXXII in Roman Numerals.
Students often make mistakes when writing numbers in Roman Numerals. To master Roman Numerals, it helps to learn a few common mistakes and ways to avoid them.
A historian is studying ancient texts and finds a tablet marked with the numerals CCCIX and XIII. She wants to know the total number of artifacts described by the tablet.
The total number of artifacts is CCCXXII
In Roman numerals, CCCIX is 309 and XIII is 13. Adding these gives 309 + 13 = 322. 322 in Roman numerals is written as CCCXXII.
An archaeologist discovered CCCXXII coins in a site, which need to be distributed evenly among XXIII researchers. How many coins will each researcher receive?
Each researcher will receive XIV coins.
To find how many coins each researcher receives, divide the total number of coins by the number of researchers.
CCCXXII = 322
XXIII = 23
322 / 23 = 14
14 in Roman numerals is XIV.
A scribe is tasked with recording the number of visitors to a museum over two days, with CCXL on the first day and LXXXII on the second. What is the total number of visitors recorded by the scribe?
The total number of visitors is CCCXXII
Adding the two numbers gives:
CCXL = 240
LXXXII = 82
240 + 82 = 322
322 in Roman numerals is written as CCCXXII.
A merchant has a ledger noting CCCL items sold minus XXVIII returned. Calculate the final number of items remaining in the ledger.
The final number of items is CCCXXII
Subtracting the returned items from the sold items gives:
CCCL = 350
XXVIII = 28
350 - 28 = 322
322 in Roman numerals is CCCXXII.
A mathematician is tasked with decoding a sequence where the sum of XXX and CCXCII needs to be written in Roman numerals. What is the sum?
The sum of XXX and CCXCII is CCCXXII
First, convert the numbers to standard form:
XXX = 30
CCXCII = 292
30 + 292 = 322
322 in Roman numerals is represented as CCCXXII.
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.