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 DC to represent 600, where D is 500 and C is 100. 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, DC → D + C → 500 + 100 = 600
To write larger numbers, there are certain Roman Numerals that can be repeated three times. III → 3.
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 8 we write as VIII, not IIIIIIII.
Let’s now learn how to write 600 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 600 in Roman numerals using the expansion method. To write 600 in Roman Numerals, follow the steps:
Step 1: The number is broken down based on the place value. The place values are ones, tens, hundreds, etc. For 600, we write it as 500 + 100
Step 2: Converting the number into Roman Numerals
Step 3: Combining the Roman Numerals together. Therefore, 600 in Roman Numerals is D (500) + C (100) = DC
When writing a large number into Roman Numerals, we group the number. To write 600 in Roman Numerals, we group 600 as 500 + 100
So, 600 is written as DC 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.
Find the sum of DC and CC.
The sum of DC and CC is DCCC.
Sum is the result of adding two numbers.
DC = 600
CC = 200
600 + 200 = 800
800 in Roman Numerals is DCCC. The sum of DC and CC is DCCC.
A historian found DCCC ancient coins and wants to distribute them equally among VIII museums. Find the number of coins each museum will receive.
The number of coins each museum will receive is C.
To find the number of coins each museum receives, divide the total number of coins by the number of museums.
DCCC = 800
VIII = 8
Therefore, DCCC / VIII = 800 / 8 = 100.
100 in Roman numerals can be written as C.
An artifact weighs CM grams, and another weighs CCC grams. What is the total weight of both artifacts?
The total weight of both artifacts is MCC grams.
To find the total weight, add the weights of both artifacts.
CM = 900
CCC = 300
900 + 300 = 1200
1200 in Roman Numerals is MCC. The total weight of both artifacts is MCC grams.
A collector has DCCCXL stamps and decides to give away CCXL of them. How many stamps does the collector have left?
The collector has DC stamps left.
To find out how many stamps are left, subtract the number of stamps given away from the total.
DCCCXL = 840
CCXL = 240
840 - 240 = 600
600 in Roman Numerals can be written as DC.
Write the Roman Numeral for 600 + 400 using the expansion method.
The Roman numeral for 600 + 400 is M.
Step 1: First convert the numbers 600 and 400 into Roman numerals 600 - DC 400 - CD Add the numbers together: 600 + 400 = 1000 Using the expansion method: 1000 = M.
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.