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Last updated on May 26th, 2025

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724 in Roman Numerals

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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.

724 in Roman Numerals for Vietnamese Students
Professor Greenline from BrightChamps

What is 724 in Roman Numerals?

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. 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 DCCXXIV to represent 724. Here, D is 500, CC is 200, XX is 20, and IV is 4. Let’s learn more about Roman numerals and how we write them.

Professor Greenline from BrightChamps

Basic Rules for 724 in Roman Numerals

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 a smaller number is placed after a larger number. For example, XX → X + X → 10 + 10 = 20.

 

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, 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 VV for 10 instead we use X, and 8 we write as VIII not IIIIIIII.
 

Professor Greenline from BrightChamps

How to Write 724 in Roman Numerals

Let’s now learn how to write 724 in Roman Numerals. Follow these methods to write the number in Roman Numerals.

 

  • By Expansion Method  
  • By Grouping Method
     
Professor Greenline from BrightChamps

724 in Roman Numeral by Expansion Method

In the expansion method, based on the place value, the number is broken down. In this section, we will learn how to write 724 in Roman numerals using the expansion method.

 

To write 724 in Roman Numerals, follow these steps:

 

Step 1: Break the number based on the place value. Place value that is ones, tens, hundreds, etc.

 

For 724, we write it as 700 + 20 + 4.

 

Step 2: Converting the numbers into Roman Numerals:


700 in Roman Numerals — DCC
20 in Roman Numerals — XX
4 in Roman Numerals — IV

 

Step 3: Combine the Roman Numerals together.


Therefore, 724 in Roman Numerals is DCC (700) + XX (20) + IV (4) = DCCXXIV.
 

Professor Greenline from BrightChamps

724 in Roman Numeral by Grouping Method

When writing a large number into Roman Numerals, we group the numbers.

 

To write 724 in Roman Numerals, we group 724 as 700 + 20 + 4:


700 in Roman Numerals — DCC
20 in Roman Numerals — XX
4 in Roman Numerals — IV

 

So, 724 is written as DCCXXIV in Roman Numerals.
 

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Common Mistakes and How to Avoid Them in 724 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.

Mistake 1

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 Errors in the repetition method
 

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The repetition method can be confusing for beginners as it states that Roman Numerals cannot be repeated more than three times. In contrast, some Roman Numerals such as V, L, and D cannot be repeated.
 

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724 in Roman Numerals Examples

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Max, the Girl Character from BrightChamps

Problem 1

A historian discovers two ancient scrolls, one marked with the numeral CDXLIV and the other with CCLXXIII. What is the total value of the scrolls in Roman numerals?

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 The total value of the scrolls is DCCXVII

Explanation

CDXLIV = 444  


CCLXXIII = 273  


444 + 273 = 717  


717 in Roman Numerals is DCCXVII.
 

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Max, the Girl Character from BrightChamps

Problem 2

An art collector has DCCC paintings and wants to distribute them equally among L painters. How many paintings will each painter receive?

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Each painter will receive XVI paintings.
 

Explanation

DCCC = 800  


L = 50  


800 / 50 = 16  


16 in Roman numerals is XVI.
 

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Max, the Girl Character from BrightChamps

Problem 3

A museum receives two donations: one of CCCXLIV artifacts and the other of CCXC artifacts. What is the total number of artifacts in Roman numerals?

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The total number of artifacts is DCXXXIV.

Explanation

CCCXLIV = 344  


CCXC = 290

 
344 + 290 = 634

 
634 in Roman Numerals is DCXXXIV.

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Max, the Girl Character from BrightChamps

Problem 4

In a reenactment of a Roman battle, LXXXV soldiers face off against CL. What is the difference in the number of soldiers between the two sides?

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 The difference in the number of soldiers is LXV.

Explanation

CL = 150  


LXXXV = 85

 
150 - 85 = 65  


65 in Roman Numerals is LXV.
 

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Max, the Girl Character from BrightChamps

Problem 5

A mathematician wants to express the sum of 350 and 374 using Roman numerals by breaking down the numbers. What is the result?

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The result is DCCXXIV.

Explanation

Step 1: Convert the numbers 350 and 374 into Roman numerals.  


350 - CCCL  


374 - CCCLXXIV  

 

Add the numbers together: 350 + 374 = 724  


Using the expansion method: 724 = 700 + 20 + 4 = DCCXXIV
 

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FAQs on 724 in Roman Numerals

1.What is 4 in Roman numerals?

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2.How to write 724 in Roman numerals?

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3.What is 725 in Roman Numerals?

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4.Is DCCXXIV a prime number?

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5.What are the multiples of 724?

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6.How can children in Vietnam use numbers in everyday life to understand 724 in Roman Numerals?

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7.What are some fun ways kids in Vietnam can practice 724 in Roman Numerals with numbers?

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8.What role do numbers and 724 in Roman Numerals play in helping children in Vietnam develop problem-solving skills?

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9.How can families in Vietnam create number-rich environments to improve 724 in Roman Numerals skills?

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Professor Greenline from BrightChamps

Important Glossaries for 724 in Roman Numerals

  • Addition rule: The addition method is used when a larger number is followed by a smaller numeral, and here the values are added. For example, DCCXXIV = DCC + XX + IV = 724.

 

  • Grouping method: Here the given numbers are grouped based on their place value, and then we convert each group into its Roman numerals. For example, 724 = 700 + 20 + 4 = DCCXXIV.

 

  • Repetition rule: Certain symbols (I, X, C, M) in the Roman numeric system can be repeated only up to three times. For example, CCC = 300 (C is repeated three times to represent the number 300).

 

  • Subtraction rule: A smaller numeral placed before a larger numeral indicates subtraction. For example, IV = 5 - 1 = 4.

 

  • Place value: The numerical value that a digit has by virtue of its position in a number. For example, in 724, the 7 is in the hundreds place, the 2 is in the tens place, and the 4 is in the ones place.
     
Professor Greenline from BrightChamps

About BrightChamps in Vietnam

At BrightChamps, we know numbers are not just figures—they open the door to endless possibilities! Our aim is to help children throughout Vietnam build key math skills, focusing today on the 724 in Roman Numerals with an emphasis on Roman numerals—in a way that is fun, engaging, and easy to grasp. Whether your child is calculating the speed of a roller coaster at Suoi Tien Theme Park, keeping track of scores at a local football match, or managing their allowance for new gadgets, mastering numbers gives them the confidence for everyday tasks. Our interactive lessons make learning straightforward and enjoyable. Recognizing that children in Vietnam have varied learning styles, we customize our approach for each child. From the lively streets of Ho Chi Minh City to the scenic beauty of Ha Long Bay, BrightChamps makes math come alive and exciting across Vietnam. Let’s bring Roman numerals into every child’s math adventure!
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Hiralee Lalitkumar Makwana

About the Author

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.

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Max, the Girl Character from BrightChamps

Fun Fact

: She loves to read number jokes and games.

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