Addition Worksheets | Dynamically Created Addition Worksheets - Free Printable

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Show Answer Key & Explanations Step-by-step solution for: Addition Worksheets | Dynamically Created Addition Worksheets

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Let's solve each of the addition problems in the worksheet step by step. The worksheet contains 20 vertical addition problems, each involving a 4-digit number being added to a single-digit number.

We will go through each column and compute the sum.

---

Column 1:

```
1
6
0
8
+ 3
----
```
Add vertically:
- 1 + 6 = 7
- 7 + 0 = 7
- 7 + 8 = 15
- 15 + 3 = 18

✔ Sum: 18

---

Column 2:

```
4
5
4
9
+ 2
----
```
- 4 + 5 = 9
- 9 + 4 = 13
- 13 + 9 = 22
- 22 + 2 = 24

✔ Sum: 24

---

Column 3:

```
2
3
5
5
+ 8
----
```
- 2 + 3 = 5
- 5 + 5 = 10
- 10 + 5 = 15
- 15 + 8 = 23

✔ Sum: 23

---

Column 4:

```
9
2
9
6
+ 6
----
```
- 9 + 2 = 11
- 11 + 9 = 20
- 20 + 6 = 26
- 26 + 6 = 32

✔ Sum: 32

---

Column 5:

```
4
5
6
4
+ 5
----
```
- 4 + 5 = 9
- 9 + 6 = 15
- 15 + 4 = 19
- 19 + 5 = 24

✔ Sum: 24

---

Column 6:

```
1
0
8
5
+ 4
----
```
- 1 + 0 = 1
- 1 + 8 = 9
- 9 + 5 = 14
- 14 + 4 = 18

✔ Sum: 18

---

Column 7:

```
4
6
9
3
+ 5
----
```
- 4 + 6 = 10
- 10 + 9 = 19
- 19 + 3 = 22
- 22 + 5 = 27

✔ Sum: 27

---

Column 8:

```
5
5
9
2
+ 0
----
```
- 5 + 5 = 10
- 10 + 9 = 19
- 19 + 2 = 21
- 21 + 0 = 21

✔ Sum: 21

---

Column 9:

```
9
4
6
3
+ 6
----
```
- 9 + 4 = 13
- 13 + 6 = 19
- 19 + 3 = 22
- 22 + 6 = 28

✔ Sum: 28

---

Column 10:

```
6
3
2
4
+ 0
----
```
- 6 + 3 = 9
- 9 + 2 = 11
- 11 + 4 = 15
- 15 + 0 = 15

✔ Sum: 15

---

Column 11:

```
9
2
5
9
+ 1
----
```
- 9 + 2 = 11
- 11 + 5 = 16
- 16 + 9 = 25
- 25 + 1 = 26

✔ Sum: 26

---

Column 12:

```
4
8
3
2
+ 0
----
```
- 4 + 8 = 12
- 12 + 3 = 15
- 15 + 2 = 17
- 17 + 0 = 17

✔ Sum: 17

---

Column 13:

```
2
0
7
3
+ 6
----
```
- 2 + 0 = 2
- 2 + 7 = 9
- 9 + 3 = 12
- 12 + 6 = 18

✔ Sum: 18

---

Column 14:

```
1
2
9
2
+ 5
----
```
- 1 + 2 = 3
- 3 + 9 = 12
- 12 + 2 = 14
- 14 + 5 = 19

✔ Sum: 19

---

Column 15:

```
8
3
3
9
+ 7
----
```
- 8 + 3 = 11
- 11 + 3 = 14
- 14 + 9 = 23
- 23 + 7 = 30

✔ Sum: 30

---

Column 16:

```
2
3
6
0
+ 8
----
```
- 2 + 3 = 5
- 5 + 6 = 11
- 11 + 0 = 11
- 11 + 8 = 19

✔ Sum: 19

---

Column 17:

```
5
1
2
1
+ 8
----
```
- 5 + 1 = 6
- 6 + 2 = 8
- 8 + 1 = 9
- 9 + 8 = 17

✔ Sum: 17

---

Column 18:

```
4
2
0
6
+ 7
----
```
- 4 + 2 = 6
- 6 + 0 = 6
- 6 + 6 = 12
- 12 + 7 = 19

✔ Sum: 19

---

Column 19:

```
2
2
9
7
+ 2
----
```
- 2 + 2 = 4
- 4 + 9 = 13
- 13 + 7 = 20
- 20 + 2 = 22

✔ Sum: 22

---

Column 20:

```
0
7
5
6
+ 1
----
```
- 0 + 7 = 7
- 7 + 5 = 12
- 12 + 6 = 18
- 18 + 1 = 19

✔ Sum: 19

---

✔ Final Answers (in order):

| Column | Sum |
|--------|-----|
| 1 | 18 |
| 2 | 24 |
| 3 | 23 |
| 4 | 32 |
| 5 | 24 |
| 6 | 18 |
| 7 | 27 |
| 8 | 21 |
| 9 | 28 |
| 10 | 15 |
| 11 | 26 |
| 12 | 17 |
| 13 | 18 |
| 14 | 19 |
| 15 | 30 |
| 16 | 19 |
| 17 | 17 |
| 18 | 19 |
| 19 | 22 |
| 20 | 19 |

---

📝 Summary:

This is a basic arithmetic exercise focusing on adding a single-digit number to a 4-digit number, where students add all the digits in the column including the bottom number.

Each problem involves summing four numbers and then adding the final digit at the bottom.

The key concept here is vertical addition — adding numbers from top to bottom.

---

✔ All sums are correct as calculated above.

Let me know if you'd like this formatted into a printable answer sheet!

Parent Tip: Review the logic above to help your child master the concept of three number addition worksheet first.

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