Math worksheet with addition, subtraction, multiplication, and division exercises for practice.

Let's solve each problem step by step in the worksheet. The worksheet includes addition, subtraction, multiplication, and division problems.

---

Addition Problems

1. 363 + 125
```
363
+125
----
488
```

2. 273 + 351
```
273
+351
----
624
```

3. 958 + 345
```
958
+345
----
1303
```

4. 428 + 239
```
428
+239
----
667
```

---

Subtraction Problems

5. 562 - 280
```
562
-280
----
282
```

6. 623 - 245
```
623
-245
----
378
```

7. 125 - 109
```
125
-109
----
16
```

8. 625 - 538
```
625
-538
----
87
```

---

Multiplication Problems

9. 523 × 45

Break it down:
- 523 × 5 = 2,615
- 523 × 40 = 20,920
- Add: 2,615 + 20,920 = 23,535

```
523
× 45
-----
2615 ← (523 × 5)
20920 ← (523 × 40)
-------
23535
```

10. 720 × 19

Break it down:
- 720 × 9 = 6,480
- 720 × 10 = 7,200
- Add: 6,480 + 7,200 = 13,680

```
720
× 19
-----
6480 ← (720 × 9)
7200 ← (720 × 10)
-------
13680
```

11. 753 × 13

Break it down:
- 753 × 3 = 2,259
- 753 × 10 = 7,530
- Add: 2,259 + 7,530 = 9,789

```
753
× 13
-----
2259 ← (753 × 3)
7530 ← (753 × 10)
-------
9789
```

12. 580 × 18

Break it down:
- 580 × 8 = 4,640
- 580 × 10 = 5,800
- Add: 4,640 + 5,800 = 10,440

```
580
× 18
-----
4640 ← (580 × 8)
5800 ← (580 × 10)
-------
10440
```

---

Division Problems

13. 9)183

Divide 183 ÷ 9:

- 9 × 20 = 180
- 183 - 180 = 3

So: 20 R3

```
20
------
9|183
-18
---
3
```

Answer: 20 R3

14. 6)960

Divide 960 ÷ 6:

- 6 × 160 = 960

So: 160

```
160
------
6|960
-6
--
36
-36
---
0
```

Answer: 160

15. 10)158

Divide 158 ÷ 10:

- 10 × 15 = 150
- 158 - 150 = 8

So: 15 R8

```
15
------
10|158
-10
---
58
-50
---
8
```

Answer: 15 R8

16. 11)165

Divide 165 ÷ 11:

- 11 × 15 = 165

So: 15

```
15
------
11|165
-11
---
55
-55
---
0
```

Answer: 15

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✔ Final Answers:

#### Addition:
1. 363 + 125 = 488
2. 273 + 351 = 624
3. 958 + 345 = 1303
4. 428 + 239 = 667

#### Subtraction:
5. 562 - 280 = 282
6. 623 - 245 = 378
7. 125 - 109 = 16
8. 625 - 538 = 87

#### Multiplication:
9. 523 × 45 = 23,535
10. 720 × 19 = 13,680
11. 753 × 13 = 9,789
12. 580 × 18 = 10,440

#### Division:
13. 183 ÷ 9 = 20 R3
14. 960 ÷ 6 = 160
15. 158 ÷ 10 = 15 R8
16. 165 ÷ 11 = 15

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