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Last updated on February 21st, 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 so on. Here we will be discussing Roman numerals, rules, and examples.
The royal titles, such as Henry I, Henry II, and so on, use Roman numerals. Have you noticed the names and wondered what these symbols (I and II) represented? Those are Roman numerals. Earlier, people used 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 CCCVI to represent 306, where CCC is 300, V is 5, 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 the smaller number is placed after the larger number. For example, VI → V + I → 5 + 1 = 6.
Rule 2: Repetition Method
To write a larger number, certain Roman numerals can be repeated up to three times. For example, CCC → 300.
Rule 3: Subtraction Method
If a smaller number is followed by a larger 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
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 LL for 100; instead, we use C.
Let’s now learn how to write 306 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 306 in Roman numerals using the expansion method.
To write 306 in Roman numerals, follow these steps:
Step 1: Break the number based on place value. Place values are ones, tens, hundreds, etc.
For 306, we write it as 300 + 6.
Step 2: Convert the numbers into Roman numerals.
300 in Roman numerals — CCC
6 in Roman numerals — VI
Step 3: Combine the Roman numerals together.
Therefore, 306 in Roman numerals is CCC (300) + VI (6) = CCCVI.
When writing a large number in Roman numerals, we group the number.
To write 306 in Roman numerals, we group 306 as 300 + 6.
- 300 in Roman numerals — CCC
- 6 in Roman numerals — VI
So, 306 is written as CCCVI in Roman numerals.
A historian finds a document that mentions the year CCCVI and the year DLVI. Calculate the time difference between these two years.
A museum acquired CCCVI artifacts spread equally across L collections. How many artifacts are in each collection?
Calculate the sum of CLIII and CLIII.
A charity received donations from two benefactors, one donating C and the other donating CCVI. Determine the total donation amount.
Convert 306 into Roman Numerals using the expansion method.
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.