Sure! Let’s solve the worksheet step by step. The goal is to convert between Roman numerals and Arabic numbers (1–100), using the standard rules of Roman numerals.
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## 📌 Roman Numeral Basics (from the chart):
| Roman | Value |
|-------|-------|
| I | 1 |
| V | 5 |
| X | 10 |
| L | 50 |
| C | 100 |
Rules:
- When a smaller numeral appears
after a larger one, you
add.
- e.g., VI = 5 + 1 = 6
- When a smaller numeral appears
before a larger one, you
subtract.
- e.g., IV = 5 – 1 = 4
- You can’t repeat a numeral more than 3 times in a row (except for M, but we’re only going to 100).
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✔ PART 1: Write the correct number next to each Roman numeral.
Let’s go one by one:
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1) XVII
X = 10, V = 5, I = 1 → 10 + 5 + 1 + 1 =
17
2) XX
X = 10 → 10 + 10 =
20
3) XIV
X = 10, IV = 4 → 10 + 4 =
14
4) XXV
X = 10, X = 10, V = 5 → 10 + 10 + 5 =
25
5) LI
L = 50, I = 1 → 50 + 1 =
51
6) XL
X before L → 50 – 10 =
40
7) XXXVII
XXX = 30, VII = 7 → 30 + 7 =
37
8) LXII
L = 50, X = 10, II = 2 → 50 + 10 + 2 =
62
9) XLVI
XL = 40, V = 5, I = 1 → 40 + 5 + 1 =
46
10) XC
X before C → 100 – 10 =
90
11) LXXIII
L = 50, XX = 20, III = 3 → 50 + 20 + 3 =
73
12) C
C =
100
13) XXIX
XX = 20, IX = 9 → 20 + 9 =
29
14) XCVII
XC = 90, VII = 7 → 90 + 7 =
97
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✔ PART 1 Answers:
1) 17
2) 20
3) 14
4) 25
5) 51
6) 40
7) 37
8) 62
9) 46
10) 90
11) 73
12) 100
13) 29
14) 97
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✔ PART 2: Write the correct Roman numerals next to each number.
Now we convert Arabic numbers to Roman numerals.
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1) 13
10 + 3 → X + III =
XIII
2) 30
X + X + X =
XXX
3) 9
10 – 1 →
IX
4) 50
L
5) 25
20 + 5 → XX + V =
XXV
6) 19
10 + 9 → X + IX =
XIX
7) 41
40 + 1 → XL + I =
XLI
8) 28
20 + 8 → XX + VIII =
XXVIII
9) 60
50 + 10 → L + X =
LX
10) 72
70 + 2 → LXX + II =
LXXII
11) 80
50 + 30 → L + XXX =
LXXX
12) 59
50 + 9 → L + IX =
LIX
13) 90
XC
14) 88
80 + 8 → LXXX + VIII =
LXXXVIII
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✔ PART 2 Answers:
1) XIII
2) XXX
3) IX
4) L
5) XXV
6) XIX
7) XLI
8) XXVIII
9) LX
10) LXXII
11) LXXX
12) LIX
13) XC
14) LXXXVIII
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## 🎯 Final Answer Summary:
Part 1: Roman → Number
1) 17
2) 20
3) 14
4) 25
5) 51
6) 40
7) 37
8) 62
9) 46
10) 90
11) 73
12) 100
13) 29
14) 97
Part 2: Number → Roman
1) XIII
2) XXX
3) IX
4) L
5) XXV
6) XIX
7) XLI
8) XXVIII
9) LX
10) LXXII
11) LXXX
12) LIX
13) XC
14) LXXXVIII
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Let me know if you’d like a printable version or flashcards for practice! 😊
Parent Tip: Review the logic above to help your child master the concept of roman numerals worksheet grade 4.
