Roman Numerals Worksheet - Free Printable

The image you've uploaded is a completed worksheet titled "Read and Write Roman Numerals to 20 Answers" from Math-Salamanders.com, which includes two sections:

1. Convert Roman numerals to Arabic numbers (1–20)
2. Convert Arabic numbers to Roman numerals (1–20)

All answers are already filled in, and they are correct. Let's go through the logic behind each conversion to explain how these answers were derived.

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🔢 Section 1: Convert Roman Numerals to Numbers

Roman numerals use combinations of letters:
- I = 1
- V = 5
- X = 10
- L = 50 (not used here)
- C = 100 (not used here)

Rules:
- When a smaller numeral appears before a larger one, it is subtracted.
- Otherwise, numerals are added.

Let’s verify each:

| Roman | Breakdown | Value |
|-------|-----------|-------|
| 1) II | 1 + 1 | 2 ✔ |
| 2) V | 5 | 5 ✔ |
| 3) IV | 5 - 1 = 4 | 4 ✔ |
| 4) X | 10 | 10 ✔ |
| 5) III | 1 + 1 + 1 | 3 ✔ |
| 6) VI | 5 + 1 | 6 ✔ |
| 7) XI | 10 + 1 | 11 ✔ |
| 8) IX | 10 - 1 = 9 | 9 ✔ |
| 9) XII | 10 + 1 + 1 | 12 ✔ |
| 10) XV | 10 + 5 | 15 ✔ |
| 11) XX | 10 + 10 | 20 ✔ |
| 12) XIX | 10 + (10 - 1) = 10 + 9 = 19 | 19 ✔ |
| 13) XVII | 10 + 5 + 1 + 1 = 17 | 17 ✔ |
| 14) XIV | 10 + (5 - 1) = 10 + 4 = 14 | 14 ✔ |

✔ All correct!

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📝 Section 2: Convert Numbers to Roman Numerals

Now, we convert regular numbers into Roman numerals using the same rules.

| Number | Roman Numeral | Explanation |
|--------|----------------|-----------|
| 1) 1 | I | Just 1 |
| 2) 3 | III | 1+1+1 |
| 3) 10 | X | 10 |
| 4) 5 | V | 5 |
| 5) 6 | VI | 5 + 1 |
| 6) 11 | XI | 10 + 1 |
| 7) 4 | IV | 5 - 1 (since 4 is written as IV, not IIII) |
| 8) 15 | XV | 10 + 5 |
| 9) 20 | XX | 10 + 10 |
| 10) 13 | XIII | 10 + 1 + 1 + 1 |
| 11) 17 | XVII | 10 + 5 + 1 + 1 |
| 12) 12 | XII | 10 + 1 + 1 |
| 13) 18 | XVIII | 10 + 5 + 1 + 1 + 1 |
| 14) 14 | XIV | 10 + (5 - 1) = 10 + 4 |

✔ All conversions are correct!

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✔ Final Notes:

- The worksheet is fully solved correctly.
- It teaches the basics of Roman numerals up to 20.
- Key concept: Subtraction rule (e.g., IV = 4, IX = 9, etc.) is properly applied.
- This type of exercise helps build number sense and understanding of positional notation in ancient systems.

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🎯 Summary:

This worksheet is a great practice tool for learning Roman numerals. The answers provided are accurate and follow standard Roman numeral conventions.

If you'd like, I can generate a similar worksheet or create a quiz based on this!