4 Digit Addition Worksheets | Free and Printable Resources - Free Printable

Problem: Addition Worksheet

The task is to solve the addition problems provided in the worksheet. Below is the step-by-step solution for each problem.

---

#### First Row:
1. 5521 + 7780
- Align the numbers by place value:
```
5521
+ 7780
------
```
- Add column by column from right to left:
- Ones place: \(1 + 0 = 1\)
- Tens place: \(2 + 8 = 10\) (write 0, carry 1)
- Hundreds place: \(5 + 7 + 1 (\text{carry}) = 13\) (write 3, carry 1)
- Thousands place: \(5 + 7 + 1 (\text{carry}) = 13\) (write 13)
- Result: 13301

2. 9725 + 3130
- Align the numbers by place value:
```
9725
+ 3130
------
```
- Add column by column from right to left:
- Ones place: \(5 + 0 = 5\)
- Tens place: \(2 + 3 = 5\)
- Hundreds place: \(7 + 1 = 8\)
- Thousands place: \(9 + 3 = 12\)
- Result: 12855

3. 2269 + 6484
- Align the numbers by place value:
```
2269
+ 6484
------
```
- Add column by column from right to left:
- Ones place: \(9 + 4 = 13\) (write 3, carry 1)
- Tens place: \(6 + 8 + 1 (\text{carry}) = 15\) (write 5, carry 1)
- Hundreds place: \(2 + 4 + 1 (\text{carry}) = 7\)
- Thousands place: \(2 + 6 = 8\)
- Result: 8753

4. 1873 + 7798
- Align the numbers by place value:
```
1873
+ 7798
------
```
- Add column by column from right to left:
- Ones place: \(3 + 8 = 11\) (write 1, carry 1)
- Tens place: \(7 + 9 + 1 (\text{carry}) = 17\) (write 7, carry 1)
- Hundreds place: \(8 + 7 + 1 (\text{carry}) = 16\) (write 6, carry 1)
- Thousands place: \(1 + 7 + 1 (\text{carry}) = 9\)
- Result: 9671

5. 5642 + 9161
- Align the numbers by place value:
```
5642
+ 9161
------
```
- Add column by column from right to left:
- Ones place: \(2 + 1 = 3\)
- Tens place: \(4 + 6 = 10\) (write 0, carry 1)
- Hundreds place: \(6 + 1 + 1 (\text{carry}) = 8\)
- Thousands place: \(5 + 9 = 14\)
- Result: 14803

---

#### Second Row:
1. 6708 + 5961
- Align the numbers by place value:
```
6708
+ 5961
------
```
- Add column by column from right to left:
- Ones place: \(8 + 1 = 9\)
- Tens place: \(0 + 6 = 6\)
- Hundreds place: \(7 + 9 = 16\) (write 6, carry 1)
- Thousands place: \(6 + 5 + 1 (\text{carry}) = 12\)
- Result: 12669

2. 8402 + 8204
- Align the numbers by place value:
```
8402
+ 8204
------
```
- Add column by column from right to left:
- Ones place: \(2 + 4 = 6\)
- Tens place: \(0 + 0 = 0\)
- Hundreds place: \(4 + 2 = 6\)
- Thousands place: \(8 + 8 = 16\)
- Result: 16606

3. 9045 + 1585
- Align the numbers by place value:
```
9045
+ 1585
------
```
- Add column by column from right to left:
- Ones place: \(5 + 5 = 10\) (write 0, carry 1)
- Tens place: \(4 + 8 + 1 (\text{carry}) = 13\) (write 3, carry 1)
- Hundreds place: \(0 + 5 + 1 (\text{carry}) = 6\)
- Thousands place: \(9 + 1 = 10\)
- Result: 10630

4. 9171 + 9764
- Align the numbers by place value:
```
9171
+ 9764
------
```
- Add column by column from right to left:
- Ones place: \(1 + 4 = 5\)
- Tens place: \(7 + 6 = 13\) (write 3, carry 1)
- Hundreds place: \(1 + 7 + 1 (\text{carry}) = 9\)
- Thousands place: \(9 + 9 = 18\)
- Result: 18935

5. 6843 + 2746
- Align the numbers by place value:
```
6843
+ 2746
------
```
- Add column by column from right to left:
- Ones place: \(3 + 6 = 9\)
- Tens place: \(4 + 4 = 8\)
- Hundreds place: \(8 + 7 = 15\) (write 5, carry 1)
- Thousands place: \(6 + 2 + 1 (\text{carry}) = 9\)
- Result: 9589

---

#### Third Row:
1. 2455 + 9686
- Align the numbers by place value:
```
2455
+ 9686
------
```
- Add column by column from right to left:
- Ones place: \(5 + 6 = 11\) (write 1, carry 1)
- Tens place: \(5 + 8 + 1 (\text{carry}) = 14\) (write 4, carry 1)
- Hundreds place: \(4 + 6 + 1 (\text{carry}) = 11\) (write 1, carry 1)
- Thousands place: \(2 + 9 + 1 (\text{carry}) = 12\)
- Result: 12141

2. 9330 + 6119
- Align the numbers by place value:
```
9330
+ 6119
------
```
- Add column by column from right to left:
- Ones place: \(0 + 9 = 9\)
- Tens place: \(3 + 1 = 4\)
- Hundreds place: \(3 + 1 = 4\)
- Thousands place: \(9 + 6 = 15\)
- Result: 15449

3. 5612 + 6082
- Align the numbers by place value:
```
5612
+ 6082
------
```
- Add column by column from right to left:
- Ones place: \(2 + 2 = 4\)
- Tens place: \(1 + 8 = 9\)
- Hundreds place: \(6 + 0 = 6\)
- Thousands place: \(5 + 6 = 11\)
- Result: 11694

4. 2947 + 3770
- Align the numbers by place value:
```
2947
+ 3770
------
```
- Add column by column from right to left:
- Ones place: \(7 + 0 = 7\)
- Tens place: \(4 + 7 = 11\) (write 1, carry 1)
- Hundreds place: \(9 + 7 + 1 (\text{carry}) = 17\) (write 7, carry 1)
- Thousands place: \(2 + 3 + 1 (\text{carry}) = 6\)
- Result: 6717

5. 3016 + 3435
- Align the numbers by place value:
```
3016
+ 3435
------
```
- Add column by column from right to left:
- Ones place: \(6 + 5 = 11\) (write 1, carry 1)
- Tens place: \(1 + 3 + 1 (\text{carry}) = 5\)
- Hundreds place: \(0 + 4 = 4\)
- Thousands place: \(3 + 3 = 6\)
- Result: 6451

---

Final Answers:

```
First Row:
1. 13301
2. 12855
3. 8753
4. 9671
5. 14803

Second Row:
1. 12669
2. 16606
3. 10630
4. 18935
5. 9589

Third Row:
1. 12141
2. 15449
3. 11694
4. 6717
5. 6451
```

Boxed Final Answer:

\[
\boxed{
\begin{array}{ccccc}
13301 & 12855 & 8753 & 9671 & 14803 \\
12669 & 16606 & 10630 & 18935 & 9589 \\
12141 & 15449 & 11694 & 6717 & 6451 \\
\end{array}
}
\]