Addition 4 Digit Worksheets 3rd Grade - Free Printable

Let's solve each of the 4-digit addition problems step by step. I'll show the calculations and explain the process.

---

1) 6562 + 1734

```
6562
+ 1734
------
8296
```

Explanation:
- Add units: 2 + 4 = 6
- Add tens: 6 + 3 = 9
- Add hundreds: 5 + 7 = 12 → write 2, carry over 1
- Add thousands: 6 + 1 + 1 (carry) = 8

✔ Answer: 8296

---

2) 5147 + 1035

```
5147
+ 1035
------
6182
```

Explanation:
- Units: 7 + 5 = 12 → write 2, carry 1
- Tens: 4 + 3 + 1 = 8
- Hundreds: 1 + 0 = 1
- Thousands: 5 + 1 = 6

✔ Answer: 6182

---

3) 3625 + 1756

```
3625
+ 1756
------
5381
```

Explanation:
- Units: 5 + 6 = 11 → write 1, carry 1
- Tens: 2 + 5 + 1 = 8
- Hundreds: 6 + 7 = 13 → write 3, carry 1
- Thousands: 3 + 1 + 1 = 5

✔ Answer: 5381

---

4) 2285 + 1302

```
2285
+ 1302
------
3587
```

Explanation:
- Units: 5 + 2 = 7
- Tens: 8 + 0 = 8
- Hundreds: 2 + 3 = 5
- Thousands: 2 + 1 = 3

✔ Answer: 3587

---

5) 4906 + 1545

```
4906
+ 1545
------
6451
```

Explanation:
- Units: 6 + 5 = 11 → write 1, carry 1
- Tens: 0 + 4 + 1 = 5
- Hundreds: 9 + 5 = 14 → write 4, carry 1
- Thousands: 4 + 1 + 1 = 6

✔ Answer: 6451

---

6) 3635 + 537

Note: 537 is a 3-digit number. Align to the right:

```
3635
+ 537
------
4172
```

Explanation:
- Units: 5 + 7 = 12 → write 2, carry 1
- Tens: 3 + 3 + 1 = 7
- Hundreds: 6 + 5 = 11 → write 1, carry 1
- Thousands: 3 + 0 + 1 = 4

✔ Answer: 4172

---

7) 6176 + 752

```
6176
+ 752
------
6928
```

Explanation:
- Units: 6 + 2 = 8
- Tens: 7 + 5 = 12 → write 2, carry 1
- Hundreds: 1 + 7 + 1 = 9
- Thousands: 6 + 0 = 6

✔ Answer: 6928

---

8) 5362 + 2075

```
5362
+ 2075
------
7437
```

Explanation:
- Units: 2 + 5 = 7
- Tens: 6 + 7 = 13 → write 3, carry 1
- Hundreds: 3 + 0 + 1 = 4
- Thousands: 5 + 2 = 7

✔ Answer: 7437

---

9) 5508 + 767

```
5508
+ 767
------
6275
```

Explanation:
- Units: 8 + 7 = 15 → write 5, carry 1
- Tens: 0 + 6 + 1 = 7
- Hundreds: 5 + 7 = 12 → write 2, carry 1
- Thousands: 5 + 0 + 1 = 6

✔ Answer: 6275

---

10) 4906 + 1334

```
4906
+ 1334
------
6240
```

Explanation:
- Units: 6 + 4 = 10 → write 0, carry 1
- Tens: 0 + 3 + 1 = 4
- Hundreds: 9 + 3 = 12 → write 2, carry 1
- Thousands: 4 + 1 + 1 = 6

✔ Answer: 6240

---

11) 3856 + 1038

```
3856
+ 1038
------
4894
```

Explanation:
- Units: 6 + 8 = 14 → write 4, carry 1
- Tens: 5 + 3 + 1 = 9
- Hundreds: 8 + 0 = 8
- Thousands: 3 + 1 = 4

✔ Answer: 4894

---

12) 5694 + 4905

```
5694
+ 4905
------
10599
```

Explanation:
- Units: 4 + 5 = 9
- Tens: 9 + 0 = 9
- Hundreds: 6 + 9 = 15 → write 5, carry 1
- Thousands: 5 + 4 + 1 = 10 → write 0, carry 1
- Ten-thousands: 1 (carry)

✔ Answer: 10599

---

13) 4175 + 397

```
4175
+ 397
------
4572
```

Explanation:
- Units: 5 + 7 = 12 → write 2, carry 1
- Tens: 7 + 9 + 1 = 17 → write 7, carry 1
- Hundreds: 1 + 3 + 1 = 5
- Thousands: 4 + 0 = 4

✔ Answer: 4572

---

14) 8731 + 3137

```
8731
+ 3137
------
11868
```

Explanation:
- Units: 1 + 7 = 8
- Tens: 3 + 3 = 6
- Hundreds: 7 + 1 = 8
- Thousands: 8 + 3 = 11 → write 1, carry 1
- Ten-thousands: 1

✔ Answer: 11868

---

15) 4652 + 1680

```
4652
+ 1680
------
6332
```

Explanation:
- Units: 2 + 0 = 2
- Tens: 5 + 8 = 13 → write 3, carry 1
- Hundreds: 6 + 6 + 1 = 13 → write 3, carry 1
- Thousands: 4 + 1 + 1 = 6

✔ Answer: 6332

---

16) 6814 + 2526

```
6814
+ 2526
------
9340
```

Explanation:
- Units: 4 + 6 = 10 → write 0, carry 1
- Tens: 1 + 2 + 1 = 4
- Hundreds: 8 + 5 = 13 → write 3, carry 1
- Thousands: 6 + 2 + 1 = 9

✔ Answer: 9340

---

✔ Final Answers:

| Problem | Answer |
|--------|--------|
| 1) | 8296 |
| 2) | 6182 |
| 3) | 5381 |
| 4) | 3587 |
| 5) | 6451 |
| 6) | 4172 |
| 7) | 6928 |
| 8) | 7437 |
| 9) | 6275 |
| 10) | 6240 |
| 11) | 4894 |
| 12) | 10599 |
| 13) | 4572 |
| 14) | 11868 |
| 15) | 6332 |
| 16) | 9340 |

Let me know if you'd like this in printable format or with steps shown for each!