Grade 4 - Roman Numerals | Math Practice, Questions, Tests ... - Free Printable

Let's solve each question step by step with clear explanations.

---

(1) What is the Roman numeral for 790?

Solution:
Break down 790:
- 700 = DCC (500 + 100 + 100)
- 90 = XC (100 - 10)

So, 790 = DCCXC

✔ Answer: DCCXC

---

(2) What is the difference of 100 and 50 in Roman numerals?

Solution:
100 - 50 = 50

50 in Roman numerals is L

✔ Answer: L

---

(3) On what date do we celebrate Christmas? (write answer in Roman numerals)

Christmas is celebrated on December 25.

We need to write 25 in Roman numerals:
- 25 = XXV

✔ Answer: XXV

*(Note: The month is not required; only the date is asked.)*

---

(4) In the Roman Number system, the symbols that can never be repeated is

Options:
a. M
b. X
c. V
d. C

Explanation:
In Roman numerals:
- M (1000) can be repeated (e.g., MM = 2000)
- X (10) can be repeated (e.g., XXX = 30)
- C (100) can be repeated (e.g., CCC = 300)
- V (5) cannot be repeated — it’s never written more than once.

✔ Answer: c. V

---

(5) When you add the Roman numeral XXVII to VI, you get the Roman numeral:

First convert:
- XXVII = 20 + 5 + 2 = 27
- VI = 6
- 27 + 6 = 33

Now convert 33 to Roman numerals:
- 30 = XXX
- 3 = III
- So, 33 = XXXIII

✔ Answer: c. XXXIII

---

(6) XI workers are working on painting a fence. If each worker can paint V metres of fence in an hour, how many metres can the workers paint in total over a period of 6 hours? (answer in Roman Numerals)

Step-by-step:
- Number of workers = XI = 11
- Each paints V = 5 meters per hour
- So, total per hour = 11 × 5 = 55 meters
- Over 6 hours = 55 × 6 = 330 meters

Convert 330 to Roman numerals:
- 300 = CCC
- 30 = XXX
- So, 330 = CCCXXX

✔ Answer: a. CCCXXX

---

(7) Age of Amir is 15 years and age of Sneha is 35 years. The sum of their age in Roman numbers is:

Sum = 15 + 35 = 50

50 in Roman numerals = L

✔ Answer: b. L

---

(8) The number of days in the month of August is:

August has 31 days

Convert 31 to Roman numerals:
- 30 = XXX
- 1 = I
- So, 31 = XXXI

✔ Answer: b. XXXI

---

(9) The product of 6 and 6 in Roman Numerals is _______

6 × 6 = 36

Convert 36 to Roman numerals:
- 30 = XXX
- 6 = VI
- So, 36 = XXXVI

✔ Answer: XXXVI

---

(10) Write the Roman numerals for the following numbers:

A) 28
- 20 = XX
- 8 = VIII
- So, 28 = XXVIII

B) 54
- 50 = L
- 4 = IV
- So, 54 = LIV

C) 4
- 4 = IV

✔ Answers:
- A) XXVIII
- B) LIV
- C) IV

---

✔ Final Answers Summary:

| Question | Answer |
|--------|--------|
| (1) | DCCXC |
| (2) | L |
| (3) | XXV |
| (4) | c. V |
| (5) | c. XXXIII |
| (6) | a. CCCXXX |
| (7) | b. L |
| (8) | b. XXXI |
| (9) | XXXVI |
| (10) A | XXVIII |
| (10) B | LIV |
| (10) C | IV |

Let me know if you'd like a printable version or explanation for any specific part!