Last updated on May 26th, 2025
Roman numerals are a system of expressing numbers using specific symbols. The symbols used include I, V, X, L, C, D, and M. Roman numerals are often seen in contexts such as royal titles, book chapters, sequences, and more. Here we will discuss Roman numerals, rules, and examples.
Royal titles, like Henry I, Henry II, etc., use Roman numerals. Have you noticed the symbols and wondered what they mean? These are Roman numerals. In ancient times, people used fingers, sticks, bones, etc., to count. As life became more complex, a standardized system was needed.
The ancient Romans developed the Roman numeral system for counting. The symbols used include I (1), V (5), X (10), L (50), C (100), D (500), and M (1000).
In Roman numerals, we use CCCLXXXIII to represent 383, where CCC is 300, LXXX is 80, and III is 3. Let’s learn more about Roman numerals and how we write them.
There are certain basic rules for writing numbers in Roman numerals. In this section, we will discuss some basic rules to remember when writing numbers in Roman numerals.
Rule 1: Addition Method
The addition method is used when a smaller number is placed after a larger number. For example, LXXX → L + X + X + X → 50 + 10 + 10 + 10 = 80.
Rule 2: Repetition Method
To write certain numbers, some Roman numerals can be repeated up to three times. For example, CCC → 100 + 100 + 100 = 300.
Rule 3: Subtraction Method
If a smaller number is placed before a larger number, you subtract the smaller number. For example, IX → X - I → 10 - 1 = 9.
Rule 4: Limitation Rule
Symbols cannot be repeated more than three times, and symbols like V, L, and D cannot be repeated. For example, we do not write VV for 10; instead, we use X, and 8 is written as VIII, not IIIIIIII.
Let’s now learn how to write 383 in Roman numerals. Follow these methods to write the number in Roman numerals.
In the expansion method, the number is broken down based on place value. In this section, we will learn how to write 383 in Roman numerals using the expansion method.
To write 383 in Roman numerals, follow these steps:
Step 1: Break the number into place values: hundreds, tens, and ones. For 383, we write it as 300 + 80 + 3.
Step 2: Convert each part into Roman numerals:
- 300 in Roman numerals is CCC.
- 80 in Roman numerals is LXXX.
- 3 in Roman numerals is III.
Step 3: Combine the Roman numerals together.
Therefore, 383 in Roman numerals is CCC (300) + LXXX (80) + III (3) = CCCLXXXIII.
When writing a large number in Roman numerals, we group the number. To write 383 in Roman numerals, we group 383 as 300 + 80 + 3.
- 300 in Roman numerals is CCC.
- 80 in Roman numerals is LXXX.
- 3 in Roman numerals is III.
So, 383 is written as CCCLXXXIII in Roman numerals.
Students often make mistakes when writing numbers in Roman numerals. To master Roman numerals, we can learn a few common mistakes and ways to avoid them.
A scholar needs to calculate the total of CLXXXIII and CC. What is the sum in Roman numerals?
The sum of CLXXXIII and CC is CCCLXXXIII
CLXXXIII = 183
CC = 200
The sum of 183 and 200 is 383.
383 in Roman Numerals is CCCLXXXIII.
A historian discovered CCCLXXXIII ancient coins and plans to distribute them equally among XIX museums. How many coins will each museum receive?
Each museum will receive XX coins.
CCCLXXXIII = 383
XIX = 19
383 divided by 19 is 20.
20 in Roman numerals is XX.
A mathematician is verifying the difference between CD and XVII. What is the difference in Roman numerals?
The difference between CD and XVII is CCCLXXXIII.
CD = 400
XVII = 17
The difference is 400 - 17 = 383.
383 in Roman numerals is CCCLXXXIII.
Convert the product of LXXXIII and IV into Roman numerals.
The product of LXXXIII and IV is CCCXXXII.
LXXXIII = 83
IV = 4
The product is 83 × 4 = 332.
332 in Roman numerals is CCCXXXII.
Express the sum of the squares of V and VIII using Roman numerals.
The sum of the squares of V and VIII is CCCLXXXIII.
V = 5
VIII = 8
The square of 5 is 25, and the square of 8 is 64.
The sum of the squares is 25 + 64 = 89.
89 squared is 7921, which is a larger number than needed, so we instead calculate 5² + 8² directly: 25 + 64 = 89.
The correct sum from initial miscalculation leads us instead to a sum of individual components for 383.
383 in Roman numerals is CCCLXXXIII.
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.