Addition/Subtraction With Roman Numerals 1 Worksheet - Free Printable

Problem: Roman Numerals Worksheet

The task involves converting numbers to Roman numerals, performing arithmetic operations with Roman numerals, and comparing Roman numerals. Below is the step-by-step solution for each section.

---

Section a) Conversion of Numbers to Roman Numerals

1. 9
- In Roman numerals, 9 is written as `IX` (10 - 1).
- Answer: IX

2. 4
- In Roman numerals, 4 is written as `IV` (5 - 1).
- Answer: IV

3. 3
- In Roman numerals, 3 is written as `III` (1 + 1 + 1).
- Answer: III

4. 7
- In Roman numerals, 7 is written as `VII` (5 + 1 + 1).
- Answer: VII

---

Section b) Write the sum in Numbers

1. XVI + II
- XVI = 16, II = 2
- 16 + 2 = 18
- Answer: 18

2. IX + V
- IX = 9, V = 5
- 9 + 5 = 14
- Answer: 14

3. XII + VII
- XII = 12, VII = 7
- 12 + 7 = 19
- Answer: 19

4. VII + IV
- VII = 7, IV = 4
- 7 + 4 = 11
- Answer: 11

---

Section c) Write the sum or difference in Roman Numerals

1. XIV + V
- XIV = 14, V = 5
- 14 + 5 = 19
- In Roman numerals, 19 is `XIX`.
- Answer: XIX

2. IX + XIII
- IX = 9, XIII = 13
- 9 + 13 = 22
- In Roman numerals, 22 is `XXII`.
- Answer: XXII

3. 4 + 17
- 4 + 17 = 21
- In Roman numerals, 21 is `XXI`.
- Answer: XXI

4. XIX − IV
- XIX = 19, IV = 4
- 19 − 4 = 15
- In Roman numerals, 15 is `XV`.
- Answer: XV

5. 18 − 7
- 18 − 7 = 11
- In Roman numerals, 11 is `XI`.
- Answer: XI

6. XVII + VI
- XVII = 17, VI = 6
- 17 + 6 = 23
- In Roman numerals, 23 is `XXIII`.
- Answer: XXIII

---

Section d) Complete the table

#### 1)
| + | VI | V |
|---|----|---|
| XI | | |
| III | | |

- XI + VI:
- XI = 11, VI = 6
- 11 + 6 = 17
- In Roman numerals, 17 is `XVII`.

- XI + V:
- XI = 11, V = 5
- 11 + 5 = 16
- In Roman numerals, 16 is `XVI`.

- III + VI:
- III = 3, VI = 6
- 3 + 6 = 9
- In Roman numerals, 9 is `IX`.

- III + V:
- III = 3, V = 5
- 3 + 5 = 8
- In Roman numerals, 8 is `VIII`.

Completed Table:
| + | VI | V |
|---|----|---|
| XI | XVII | XVI |
| III | IX | VIII |

#### 2)
| - | VIII | III |
|---|-----|-----|
| X | | |
| XIII | | |

- X − VIII:
- X = 10, VIII = 8
- 10 − 8 = 2
- In Roman numerals, 2 is `II`.

- X − III:
- X = 10, III = 3
- 10 − 3 = 7
- In Roman numerals, 7 is `VII`.

- XIII − VIII:
- XIII = 13, VIII = 8
- 13 − 8 = 5
- In Roman numerals, 5 is `V`.

- XIII − III:
- XIII = 13, III = 3
- 13 − 3 = 10
- In Roman numerals, 10 is `X`.

Completed Table:
| - | VIII | III |
|---|-----|-----|
| X | II | VII |
| XIII | V | X |

#### 3)
| + | XII | IV |
|---|-----|----|
| XIV | | |
| XIII | | |

- XIV + XII:
- XIV = 14, XII = 12
- 14 + 12 = 26
- In Roman numerals, 26 is `XXVI`.

- XIV + IV:
- XIV = 14, IV = 4
- 14 + 4 = 18
- In Roman numerals, 18 is `XVIII`.

- XIII + XII:
- XIII = 13, XII = 12
- 13 + 12 = 25
- In Roman numerals, 25 is `XXV`.

- XIII + IV:
- XIII = 13, IV = 4
- 13 + 4 = 17
- In Roman numerals, 17 is `XVII`.

Completed Table:
| + | XII | IV |
|---|-----|----|
| XIV | XXVI | XVIII |
| XIII | XXV | XVII |

---

Section e) Compare the Roman numerals and circle the biggest numeral

1. XVII or V
- XVII = 17, V = 5
- 17 > 5
- Circle XVII

2. XI or III
- XI = 11, III = 3
- 11 > 3
- Circle XI

3. IV or IX
- IV = 4, IX = 9
- 9 > 4
- Circle IX

4. XV or XX
- XV = 15, XX = 20
- 20 > 15
- Circle XX

---

Final Answers:

- Section a)
1. IX
2. IV
3. III
4. VII

- Section b)
1. 18
2. 14
3. 19
4. 11

- Section c)
1. XIX
2. XXII
3. XXI
4. XV
5. XI
6. XXIII

- Section d)
1.
| + | VI | V |
|---|----|---|
| XI | XVII | XVI |
| III | IX | VIII |

2.
| - | VIII | III |
|---|-----|-----|
| X | II | VII |
| XIII | V | X |

3.
| + | XII | IV |
|---|-----|----|
| XIV | XXVI | XVIII |
| XIII | XXV | XVII |

- Section e)
1. XVII
2. XI
3. IX
4. XX

---

Boxed Final Answer:

$$
\boxed{
\text{See detailed solutions above.}
}
$$