Last updated on May 26th, 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 discuss Roman Numerals, rules, and examples.
Royal titles, such as Henry I, Henry II, and so on, use Roman numerals. Have you noticed these symbols and wondered what they represent? Those are the Roman Numerals.
In ancient times, people counted using fingers, sticks, bones, etc. As life became more complex, a standard form was needed. The Romans developed 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.
In Roman Numerals, we use DCXXXII to represent 632, where D is 500, C is 100, and XXXII is 32. Let’s learn more about Roman numerals and how we write them.
There are certain basic rules to write a number in Roman Numerals. 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. For example, DCXXXII → D + C + XXX + II → 500 + 100 + 30 + 2 = 632.
Certain Roman Numerals can be repeated up to three times to form numbers. For instance, XXX → 30.
If a smaller number precedes a larger number in Roman Numerals, we subtract the smaller number from the larger number. For example, IV → V - I = 5 - 1 = 4.
The symbols I, X, C, and M can be repeated up to three times, but symbols like V, L, and D cannot be repeated. For example, we use X for 10 instead of VV.
Let’s now learn how to write 632 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. Here is how we write 632 in Roman numerals using the expansion method. To write 632 in Roman Numerals, follow these steps:
Step 1: Break down the number based on the place value: hundreds, tens, and ones. For 632, we write it as 600 + 30 + 2.
Step 2: Convert each number into Roman Numerals:
600 in Roman Numerals- DC
30 in Roman Numerals - XXX
2 in Roman Numerals - II
Step 3: Combine the Roman Numerals: Therefore, 632 in Roman Numerals is D (500) + C (100) + XXX (30) + II (2) = DCXXXII.
When writing a large number in Roman Numerals, we group the number. To write 632 in Roman Numerals, group 632 as 600 + 30 + 2.
So, 632 is written as DCXXXII in Roman Numerals.
Students often make mistakes when writing numbers in Roman Numerals. To master Roman Numerals, it's helpful to learn a few common mistakes and how to avoid them.
Calculate the sum of CCC and CCCXXXII in Roman numerals.
The sum of CCC and CCCXXXII is DCCCXXXII.
In Roman numerals, CCC is 300 and CCCXXXII is 332. The sum of 300 and 332 is 632. Therefore, 632 in Roman numerals is written as DCCCXXXII.
A historian divides a collection of DCCCXXXII ancient coins equally among VIII museums. How many coins does each museum receive?
Each museum receives LXXIX coins.
To find the number of coins each museum gets, divide the total number of coins by the number of museums.
DCCCXXXII = 832, VIII = 8.
Thus, 832 / 8 = 104.
104 in Roman numerals is written as CIV.
A library has CDXCII old manuscripts and acquires CXL more. How many manuscripts does it have now in Roman numerals?
The library now has DCXXXII manuscripts.
CDXCII represents 492 and CXL represents 140. Adding them gives 492 + 140 = 632. In Roman numerals, 632 is DCCCXXXII.
What is the difference between DCCCXXX and CXVIII in Roman numerals?
The difference between DCCCXXX and CXVIII is DCCXII.
The difference is calculated by subtracting the smaller number from the larger number.
DCCCXXX = 830 and CXVIII = 118.
830 - 118 = 712.
In Roman numerals, 712 is written as DCCXII.
Express the number of days in a year (assuming it has 632 days) using the expansion method in Roman numerals.
The number of days is expressed as DCXXXII.
Step 1: Break down 632 into hundreds, tens, and ones: 600 + 30 + 2.
Step 2: Convert each part to Roman numerals: 600 = DC, 30 = XXX, 2 = II. Combine them: DC + XXX + II = DCXXXII.
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.