Halloween-themed addition math worksheet for students.

Let’s solve each addition problem step by step. We’ll add the numbers column by column, starting from the right (ones place), then tens, then hundreds. If a column adds up to 10 or more, we carry over the extra to the next column.

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First row:

1. 247 + 350
- Ones: 7 + 0 = 7
- Tens: 4 + 5 = 9
- Hundreds: 2 + 3 = 5
→ 597

2. 161 + 203
- Ones: 1 + 3 = 4
- Tens: 6 + 0 = 6
- Hundreds: 1 + 2 = 3
→ 364

3. 734 + 161
- Ones: 4 + 1 = 5
- Tens: 3 + 6 = 9
- Hundreds: 7 + 1 = 8
→ 895

4. 626 + 112
- Ones: 6 + 2 = 8
- Tens: 2 + 1 = 3
- Hundreds: 6 + 1 = 7
→ 738

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Second row:

5. 112 + 163
- Ones: 2 + 3 = 5
- Tens: 1 + 6 = 7
- Hundreds: 1 + 1 = 2
→ 275

6. 654 + 245
- Ones: 4 + 5 = 9
- Tens: 5 + 4 = 9
- Hundreds: 6 + 2 = 8
→ 899

7. 124 + 470
- Ones: 4 + 0 = 4
- Tens: 2 + 7 = 9
- Hundreds: 1 + 4 = 5
→ 594

8. 475 + 203
- Ones: 5 + 3 = 8
- Tens: 7 + 0 = 7
- Hundreds: 4 + 2 = 6
→ 678

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Third row:

9. 341 + 617
- Ones: 1 + 7 = 8
- Tens: 4 + 1 = 5
- Hundreds: 3 + 6 = 9
→ 958

10. 194 + 700
- Ones: 4 + 0 = 4
- Tens: 9 + 0 = 9
- Hundreds: 1 + 7 = 8
→ 894

11. 612 + 212
- Ones: 2 + 2 = 4
- Tens: 1 + 1 = 2
- Hundreds: 6 + 2 = 8
→ 824

12. 535 + 201
- Ones: 5 + 1 = 6
- Tens: 3 + 0 = 3
- Hundreds: 5 + 2 = 7
→ 736

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Fourth row:

13. 254 + 404
- Ones: 4 + 4 = 8
- Tens: 5 + 0 = 5
- Hundreds: 2 + 4 = 6
→ 658

14. 112 + 763
- Ones: 2 + 3 = 5
- Tens: 1 + 6 = 7
- Hundreds: 1 + 7 = 8
→ 875

15. 226 + 202
- Ones: 6 + 2 = 8
- Tens: 2 + 0 = 2
- Hundreds: 2 + 2 = 4
→ 428

16. 545 + 210
- Ones: 5 + 0 = 5
- Tens: 4 + 1 = 5
- Hundreds: 5 + 2 = 7
→ 755

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Final Answer:
597, 364, 895, 738,
275, 899, 594, 678,
958, 894, 824, 736,
658, 875, 428, 755