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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 more. Here we will be discussing Roman numerals, rules, and examples.
Royal titles, such as Henry III or Henry IV, use Roman numerals. Have you noticed these names and wondered what these symbols represent? Those are Roman numerals. In ancient times, people counted using fingers, sticks, and bones. As life became more 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 CCCLVI to represent 356, where CCC is 300, L is 50, and VI is 6. 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 large number, certain Roman numerals can be repeated up to three times. For example, CCC → 300.
Rule 3: Subtraction Method
If a smaller number precedes a larger number in Roman numerals, we subtract the smaller number from the larger number. For example, IX → X - I → 10 - 1 = 9.
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 DDD for 1500; instead, we use MD.
Let’s now learn how to write 356 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 place value, the number is broken down. In this section, we will learn how to write 356 in Roman numerals using the expansion method.
To write 356 in Roman numerals, follow the steps:
Step 1: Break the number based on place value: hundreds, tens, and ones.
For 356, we write it as 300 + 50 + 6.
Step 2: Convert the number into Roman numerals:
300 in Roman numerals — CCC
50 in Roman numerals — L
6 in Roman numerals — VI
Step 3: Combine the Roman numerals together.
Therefore, 356 in Roman numerals is CCC (300) + L (50) + VI (6) = CCCLVI
When writing a large number into Roman numerals, we group the number.
To write 356 in Roman numerals, we group 356 as 300 + 50 + 6.
300 in Roman numerals — CCC
50 in Roman numerals — L
6 in Roman numerals — VI
So, 356 is written as CCCLVI in Roman numerals.
A historian finds that a manuscript contains CCCLVI pages divided equally into VIII sections. How many pages are in each section?
An art collector has a total of CCCLVI paintings and wants to distribute them evenly across four galleries. How many paintings will each gallery receive?
Find the sum of CLXXVIII and CLXXVIII.
A treasure chest contains CCCLVI gold coins. A pirate takes LXXVIII coins. How many coins remain?
Write the Roman Numeral for 150 + 206 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.