Grade 4 Roman Numerals Worksheet (1-1,000) - Convert Roman numerals to standard numbers.

To solve this worksheet, we need to convert Roman numerals into normal numbers. Let’s break it down step by step.

First, remember the basic Roman numeral values:
- I = 1
- V = 5
- X = 10
- L = 50
- C = 100
- D = 500
- M = 1,000

When a smaller number comes before a bigger one, you subtract. Otherwise, you add them up.

Let’s go through each problem:

1. CDXXXIX
- CD = 400 (because C is 100, D is 500 → 500 - 100 = 400)
- XXX = 30 (X + X + X = 10 + 10 + 10)
- IX = 9 (I before X → 10 - 1 = 9)
→ 400 + 30 + 9 = 439

2. DCXCVIII
- D = 500
- C = 100
- XC = 90 (C - X = 100 - 10)
- VIII = 8 (V + I + I + I = 5 + 1 + 1 + 1)
→ 500 + 100 + 90 + 8 = 698

3. CCXLVI
- CC = 200
- XL = 40 (L - X = 50 - 10)
- VI = 6 (V + I = 5 + 1)
→ 200 + 40 + 6 = 246

4. CCLXXXIII
- CC = 200
- LXXX = 80 (L + X + X + X = 50 + 10 + 10 + 10)
- III = 3
→ 200 + 80 + 3 = 283

5. CCCLXIX
- CCC = 300
- LX = 60 (L + X = 50 + 10)
- IX = 9
→ 300 + 60 + 9 = 369

6. CDXXVI
- CD = 400
- XX = 20
- VI = 6
→ 400 + 20 + 6 = 426

7. DCCCXXXII
- D = 500
- CCC = 300
- XXX = 30
- II = 2
→ 500 + 300 + 30 + 2 = 832

8. CMXXXI
- CM = 900 (M - C = 1000 - 100)
- XXX = 30
- I = 1
→ 900 + 30 + 1 = 931

9. CMLIII
- CM = 900
- L = 50
- III = 3
→ 900 + 50 + 3 = 953

10. CDLXXIX
- CD = 400
- LXX = 70 (L + X + X = 50 + 10 + 10)
- IX = 9
→ 400 + 70 + 9 = 479

11. CCLXXV
- CC = 200
- LXX = 70
- V = 5
→ 200 + 70 + 5 = 275

12. CCCXXXII
- CCC = 300
- XXX = 30
- II = 2
→ 300 + 30 + 2 = 332

13. CCLXXXVIII
- CC = 200
- LXXX = 80
- VIII = 8
→ 200 + 80 + 8 = 288

14. LXXII
- L = 50
- XX = 20
- II = 2
→ 50 + 20 + 2 = 72

15. DXCI
- D = 500
- XC = 90
- I = 1
→ 500 + 90 + 1 = 591

16. CLXV
- C = 100
- L = 50
- X = 10
- V = 5
→ 100 + 50 + 10 + 5 = 165

17. DCCLII
- D = 500
- CC = 200
- L = 50
- II = 2
→ 500 + 200 + 50 + 2 = 752

18. DCCLXIII
- D = 500
- CC = 200
- LX = 60
- III = 3
→ 500 + 200 + 60 + 3 = 763

Final Answer:
1. 439
2. 698
3. 246
4. 283
5. 369
6. 426
7. 832
8. 931
9. 953
10. 479
11. 275
12. 332
13. 288
14. 72
15. 591
16. 165
17. 752
18. 763