288 LearnersLast updated on February 19th, 2025
IV in Roman Numeral
The number 4 in Roman Numeral stands for IV. I stand for 1 and V stands for 5. When you put I before V it means you subtract 1 from 5 which gives 4. So, IV is how the Romans represented four. You may have seen that roman numerals were used in architecture.
What is IV in Roman Numerals?
In IV , I stand for 1 and V stands for 5. When you put I before V, it means you subtract 1 from 5, which equals 4. So, IV stands for 4 in Roman Numerals.
Rules for Finding 4 in Roman Numeral
Rule 1: Addition Rule
Addition of two numerals i.e., greater and smaller numeral. For example, I (1) plus II (2) makes III (3).
Ⅰ + Ⅱ = Ⅲ or 1 + 2 = 3
Rule 2: Repetition Rule
Repetition of numerals cannot be done more than thrice, and then the number is added. This is known as the repetition method. For example, II is 2, and III is 3, but you can't do this for 5.
Ⅱ is 2 correct
Ⅲ is 3 correct
ⅡⅢ is not 5 wrong
Rule 3: Subtraction Rule
Subtraction of the smaller number from the larger number, and the larger numeral is written after the smaller numeral.
Ⅴ - Ⅰ = Ⅳ or 5 - 1 = 4
Rule 4: Limitation Rule
We add or subtract numbers to obtain the desired numbers, as the same symbol cannot be repeated more than 3 times. For example, you can't write IIII for 4; instead, use IV.
Ⅲ correct
ⅡⅡ wrong
Ⅳ correct
How to write 4 in Roman Numeral
In roman numerals, we write 4 as IV.to get the desired number, we use subtraction and addition rule and combine them. We write roman numerals in methods explained below:
- Expansion method
- Grouping method
IV in Roman Numeral by Expansion Method
This method includes breaking down numbers based on their place values like thousands, a hundred, tens, and ones respectively. Every place value is written in the form of roman numerals.
This method works as shown below:
- Expand and part down the numbers into place values.
- Change the place values of numbers into roman numerals.
- Join the roman numerals to get the desired value.
- So, when you combine them, 4 in the Roman Numeral is written as IV.
IV in Roman Numeral by Grouping Method
This method involves breakdown of large numerals into small parts based on their Roman numeral values. This method works as follows:
- Identify symbols: Look for roman numerals that should be added or subtracted together according to addition and subtraction rules, as discussed.
- Breaking down larger numbers into smaller ones.
- Add or subtract values of the smaller numerals.
- So, while you can group four 1s as IIII, the best way to write 4 is IV.
Numbers Related to IV in Roman Numerals
Here are some of the numbers that are related to 4 in Roman Numerals
VI - 6 (the “I” is added to V)
III - 3 (three I’s before the 4)
V - 5 (the base for 4)
II - 2 (two I’s leading to 4)
VII - 7 (adding I to V)
VIII - 8 (adding more I’s to V)
Common Mistakes and How to Avoid Them in 4
IV in Roman Numeral Examples Add IV+VI.
Problem 1
Add IV+VI.
Explanation
Problem 2
Subtract IX-IV.
Explanation
Problem 3
Solve IV+VII-III.
Explanation
Problem 4
Solve X-IV+II
Explanation
FAQs on IV in Roman Numerals
1.Can you name the Roman numeral for the number 10?
2.What is the largest number you can write using only the Roman numerals I, V, and X
3.How would you write the year 2024 in Roman numerals?
4.If you were to make a clock face using Roman numerals, what would the number 12 look like?
5.Can you explain the difference between the Roman numerals IX and XI?
6.What is the smallest number you can write using only the Roman numerals I, V, and X?
7.How can children in Saudi Arabia use numbers in everyday life to understand IV in Roman Numeral?
8.What are some fun ways kids in Saudi Arabia can practice IV in Roman Numeral with numbers?
9.What role do numbers and IV in Roman Numeral play in helping children in Saudi Arabia develop problem-solving skills?
10.How can families in Saudi Arabia create number-rich environments to improve IV in Roman Numeral skills?
Important Glossaries for 4 in Roman Numerals
- Addition Method: Add the greater and smaller numerals, where the larger number follows the smaller one(e.g., II + I = III).
- Subtraction Method: Subtract the smaller number from the larger number. Here, the larger numeral is written after the smaller numeral.
- Repetition Method: A numeral cannot be repeated more than thrice, the number is added. This is known as the repetition method. (e.g., II = 2, III = 3).
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