Practice worksheet for adding and subtracting decimal numbers with six problems each.

Let's solve each problem step by step, following the rules for adding and subtracting decimals. The key is to align the decimal points and then perform the operations as you would with whole numbers.

---

🔹 Adding Decimal Numbers

#### 1)
```
92.88
+134.66
-------
```
Align decimals:
```
92.88
+134.66
-------
227.54
```
✔ Answer: 227.54

---

#### 2)
```
544.407
+ 370.403
---------
```
Align decimals:
```
544.407
+ 370.403
---------
914.810
```
✔ Answer: 914.810 (or 914.81 if rounded to two decimal places)

---

#### 3)
```
96.99
+ 87.10
--------
```
Align decimals:
```
96.99
+ 87.10
--------
184.09
```
✔ Answer: 184.09

---

#### 4)
```
23.35
+ 56.76
--------
```
```
23.35
+ 56.76
--------
80.11
```
✔ Answer: 80.11

---

#### 5)
```
85.66
+ 10.54
--------
```
```
85.66
+ 10.54
--------
96.20
```
✔ Answer: 96.20

---

#### 6)
```
3.250
+ 4.003
--------
```
```
3.250
+ 4.003
--------
7.253
```
✔ Answer: 7.253

---

🔹 Subtracting Decimal Numbers

#### 1)
```
108.33
- 99.17
--------
```
```
108.33
- 99.17
--------
9.16
```
✔ Answer: 9.16

---

#### 2)
```
88.17
- 9.09
--------
```
```
88.17
- 9.09
--------
79.08
```
✔ Answer: 79.08

---

#### 3)
```
3.789
- 1.009
--------
```
```
3.789
- 1.009
--------
2.780
```
✔ Answer: 2.780 (or 2.78 if rounding to two decimal places)

---

#### 4)
```
55.55
- 17.31
--------
```
```
55.55
- 17.31
--------
38.24
```
✔ Answer: 38.24

---

#### 5)
```
12.989
-11.883
--------
```
```
12.989
-11.883
--------
1.106
```
✔ Answer: 1.106

---

#### 6)
```
18.113
- 7.987
--------
```
```
18.113
- 7.987
--------
10.126
```
✔ Answer: 10.126

---

✔ Final Answers:

#### Addition:
1. 227.54
2. 914.810
3. 184.09
4. 80.11
5. 96.20
6. 7.253

#### Subtraction:
1. 9.16
2. 79.08
3. 2.780
4. 38.24
5. 1.106
6. 10.126

---

Let me know if you'd like this formatted as a printable worksheet or need explanations in a different format!