Printable addition worksheet featuring 15 four-digit addition problems, ideal for classroom or home practice.

Let's solve each addition problem step by step. We'll add the numbers column by column, starting from the rightmost digit (ones place), carrying over when necessary.

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Row 1:

1. 3246 + 2649
```
3246
+2649
------
5895
```
- 6 + 9 = 15 → write 5, carry 1
- 4 + 4 + 1 = 9
- 2 + 6 = 8
- 3 + 2 = 5
✔ 5895

2. 4297 + 3995
```
4297
+3995
------
8292
```
- 7 + 5 = 12 → write 2, carry 1
- 9 + 9 + 1 = 19 → write 9, carry 1
- 2 + 9 + 1 = 12 → write 2, carry 1
- 4 + 3 + 1 = 8
✔ 8292

3. 3688 + 3097
```
3688
+3097
------
6785
```
- 8 + 7 = 15 → write 5, carry 1
- 8 + 9 + 1 = 18 → write 8, carry 1
- 6 + 0 + 1 = 7
- 3 + 3 = 6
✔ 6785

4. 8898 + 7711
```
8898
+7711
------
16609
```
- 8 + 1 = 9
- 9 + 1 = 10 → write 0, carry 1
- 8 + 7 + 1 = 16 → write 6, carry 1
- 8 + 7 + 1 = 16 → write 6, carry 1
- Carry 1 → 1
✔ 16609

5. 1644 + 4825
```
1644
+4825
------
6469
```
- 4 + 5 = 9
- 4 + 2 = 6
- 6 + 8 = 14 → write 4, carry 1
- 1 + 4 + 1 = 6
✔ 6469

---

Row 2:

6. 2342 + 9323
```
2342
+9323
------
11665
```
- 2 + 3 = 5
- 4 + 2 = 6
- 3 + 3 = 6
- 2 + 9 = 11 → write 1, carry 1
- Carry 1 → 1
✔ 11665

7. 1083 + 3254
```
1083
+3254
------
4337
```
- 3 + 4 = 7
- 8 + 5 = 13 → write 3, carry 1
- 0 + 2 + 1 = 3
- 1 + 3 = 4
✔ 4337

8. 3216 + 2186
```
3216
+2186
------
5402
```
- 6 + 6 = 12 → write 2, carry 1
- 1 + 8 + 1 = 10 → write 0, carry 1
- 2 + 1 + 1 = 4
- 3 + 2 = 5
✔ 5402

9. 1492 + 1593
```
1492
+1593
------
3085
```
- 2 + 3 = 5
- 9 + 9 = 18 → write 8, carry 1
- 4 + 5 + 1 = 10 → write 0, carry 1
- 1 + 1 + 1 = 3
✔ 3085

10. 7758 + 1705
```
7758
+1705
------
9463
```
- 8 + 5 = 13 → write 3, carry 1
- 5 + 0 + 1 = 6
- 7 + 7 = 14 → write 4, carry 1
- 7 + 1 + 1 = 9
✔ 9463

---

Row 3:

11. 5805 + 4210
```
5805
+4210
------
10015
```
- 5 + 0 = 5
- 0 + 1 = 1
- 8 + 2 = 10 → write 0, carry 1
- 5 + 4 + 1 = 10 → write 0, carry 1
- Carry 1 → 1
✔ 10015

12. 5195 + 8491
```
5195
+8491
------
13686
```
- 5 + 1 = 6
- 9 + 9 = 18 → write 8, carry 1
- 1 + 4 + 1 = 6
- 5 + 8 = 13 → write 3, carry 1
- Carry 1 → 1
✔ 13686

13. 4446 + 1455
```
4446
+1455
------
5901
```
- 6 + 5 = 11 → write 1, carry 1
- 4 + 5 + 1 = 10 → write 0, carry 1
- 4 + 4 + 1 = 9
- 4 + 1 = 5
✔ 5901

14. 2404 + 1233
```
2404
+1233
------
3637
```
- 4 + 3 = 7
- 0 + 3 = 3
- 4 + 2 = 6
- 2 + 1 = 3
✔ 3637

15. 4235 + 2117
```
4235
+2117
------
6352
```
- 5 + 7 = 12 → write 2, carry 1
- 3 + 1 + 1 = 5
- 2 + 1 = 3
- 4 + 2 = 6
✔ 6352

---

✔ Final Answers:

Row 1:
1. 5895
2. 8292
3. 6785
4. 16609
5. 6469

Row 2:
6. 11665
7. 4337
8. 5402
9. 3085
10. 9463

Row 3:
11. 10015
12. 13686
13. 5901
14. 3637
15. 6352

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✔ All problems solved! Let me know if you'd like a printable version or explanation of any specific problem.