Add and Subtract Decimals online exercise - Free Printable

Let's solve each decimal addition and subtraction problem step by step, then match the correct answers from the given options.

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Given Answer Choices:

$$
\$6.95,\quad 3.4,\quad 16.51,\quad 6.560,\quad \$3.16 \\
26.646,\quad 58.84,\quad 20.28,\quad 122.52,\quad 2.345
$$

Now let's solve each problem:

---

1. $4.36 + $2.59 = ?

Add:
```
4.36
+ 2.59
------
6.95
```
✔ Answer: $6.95

---

2. 9.8 - 6.4 = ?

Subtract:
```
9.8
- 6.4
-----
3.4
```
✔ Answer: 3.4

---

3. 127.34 - 68.5 = ?

First, align decimals:
```
127.34
- 68.50
--------
58.84
```
✔ Answer: 58.84

---

4. 3.926 - 1.581 = ?

Subtract:
```
3.926
- 1.581
-------
2.345
```
✔ Answer: 2.345

---

5. 12.9 + 7.38 = ?

Align decimals:
```
12.90
+ 7.38
-------
20.28
```
✔ Answer: 20.28

---

6. 4.739 + 1.821 = ?

Add:
```
4.739
+ 1.821
-------
6.560
```
✔ Answer: 6.560

---

7. 11.24 + 6.1 + 9.306 = ?

Step-by-step:
- First: 11.24 + 6.1 = 17.34
- Then: 17.34 + 9.306 = 26.646

✔ Answer: 26.646

---

8. 15 + 1.51 = ?

Add:
```
15.00
+ 1.51
-------
16.51
```
✔ Answer: 16.51

---

9. 127.5 - 4.98 = ?

Align decimals:
```
127.50
- 4.98
--------
122.52
```
✔ Answer: 122.52

---

10. $9.74 - $6.58 = ?

Subtract:
```
9.74
- 6.58
------
3.16
```
✔ Answer: $3.16

---

✔ Final Answers Matched:

| Problem | Answer |
|--------|--------|
| $4.36 + $2.59 = | $6.95 |
| 9.8 - 6.4 = | 3.4 |
| 127.34 - 68.5 = | 58.84 |
| 3.926 - 1.581 = | 2.345 |
| 12.9 + 7.38 = | 20.28 |
| 4.739 + 1.821 = | 6.560 |
| 11.24 + 6.1 + 9.306 = | 26.646 |
| 15 + 1.51 = | 16.51 |
| 127.5 - 4.98 = | 122.52 |
| $9.74 - $6.58 = | $3.16 |

All answers are present in the provided list.

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🟩 Summary of Matching:

You would drag the following answers into the boxes:

1. $6.95
2. 3.4
3. 58.84
4. 2.345
5. 20.28
6. 6.560
7. 26.646
8. 16.51
9. 122.52
10. $3.16

✔ All problems solved correctly!