Roman numerals are one of the oldest numbering systems in the world, originating from ancient Rome. Even today, they are used on clocks, chapter numbers, indexing, classes, movie titles, royal names, Olympic games, and more.
Because of their importance, students must learn how to convert between Arabic (normal) numbers and Roman numerals with accuracy.
Why Learn Roman Numerals?
Roman numerals are used even today in:
✔ Clocks (III, VII, X, XII)
✔ School chapters (Chapter IV, Chapter XI)
✔ Sports events (Super Bowl XL, Olympics XXIX)
✔ Monarch names (Queen Elizabeth II, Pope John Paul II)
✔ Outlines & books (Part I, II, III)
✔ Year numbering (MCMLXXXVIII = 1988)
Therefore, worksheets like Fill In The Blanks Using Roman Numerals pdf help students learn the symbols, their values, and how they combine to form numbers.
Roman Numeral Symbols & Values
| Roman Symbol | Value |
|---|---|
| I | 1 |
| V | 5 |
| X | 10 |
| L | 50 |
| C | 100 |
| D | 500 |
| M | 1000 |
Rules to Form Roman Numerals
✔ Rule 1: Addition Rule
If a smaller value comes after a larger one → add.
Example:
X + V = XV (15)
✔ Rule 2: Subtraction Rule
If a smaller numeral comes before a larger one → subtract.
Examples from worksheet:
- IX = 9
- XIV = 14
Roman Numerals worksheet_compre…
✔ Rule 3: Repetition
- I, X, C can repeat 3 times max
- V, L, D never repeat
✔ Rule 4: Sequence Patterns
Roman numerals follow counting patterns in 1s, 5s, 10s, 50s, 100s, etc.
Your worksheet uses these patterns in Section C.
SECTION A – Write the Roman Numerals (Solved Answers with Explanation)
All questions are from the worksheet.
1. 5 = _____
✔ Answer: V
Explanation: 5 is the Roman numeral V.
2. 9 = _____
✔ Answer: IX
Explanation: 10 – 1 = 9
So smaller I before X → subtract.
3. 12 = _____
✔ Answer: XII
Explanation: 10 + 1 + 1 = XII.
4. 19 = _____
✔ Answer: XIX
Explanation: 10 + (10 – 1) = 19.
5. 27 = _____
✔ Answer: XXVII
Explanation: 20 (XX) + 5 (V) + 2 (II)
6. 49 = _____
✔ Answer: XLIX
Explanation:
- 40 = XL (10 before 50)
- 9 = IX
Combine = XLIX.
7. 50 = _____
✔ Answer: L
8. 76 = _____
✔ Answer: LXXVI
Explanation: 50 + 20 + 6 = LXXVI.
9. 88 = _____
✔ Answer: LXXXVIII
Explanation:
80 = LXXX
8 = VIII
Combined = LXXXVIII.
10. 99 = _____
✔ Answer: XCIX
Explanation:
90 = XC
9 = IX
Together = XCIX.
SECTION B – Fill in the Sequence (Solved Answers with Explanation)
All questions are directly from your worksheet.
1. I, II, _____, IV
✔ Answer: III
Explanation: Basic counting sequence.
2. X, XX, _____, XL
✔ Answer: XXX
Explanation:
10, 20, 30, 40 → X, XX, XXX, XL.
3. V, X, XV, _____
✔ Answer: XX
Explanation: Sequence increases by 5.
5 → 10 → 15 → 20.
4. C, CC, _____, CD
✔ Answer: CCC
Explanation:
C = 100
CC = 200
CCC = 300
CD = 400
5. 10 = X, 20 = XX, 30 = _____
✔ Answer: XXX
6. 7 = VII, 14 = XIV, 21 = _____
✔ Answer: XXI
Explanation:
21 = 20 + 1 = XXI.
7. L, LX, LXX, _____
✔ Answer: LXXX
Explanation:
50, 60, 70, 80.
8. IX, X, XI, _____
✔ Answer: XII
Explanation: Counting after 9.
9. 500 = D, 600 = DC, 700 = DCC, _____
✔ Answer: DCCC
Explanation:
500 → D
600 → DC
700 → DCC
800 → DCCC
10. _____, XX, XXX, XL
✔ Answer: X
Explanation:
10, 20, 30, 40 → X, XX, XXX, XL.
Tips to Learn Roman Numerals Faster
- ✔ Look for base value patterns
1, 5, 10, 50, 100, 500, 1000
- ✔ Memorize subtraction rules
4, 9, 40, 90, 400, 900
- ✔ Break numbers into parts
78 = 50 + 20 + 8 = LXXVIII
- ✔ Practice sequences like in worksheet
X, XX, XXX, XL
C, CC, CCC, CD
