Multiplication worksheet for Grade 4 students focusing on multiplying 1-digit numbers by 2-digit numbers.

Let's solve each of the multiplication problems on this worksheet step by step. The task is to multiply a two-digit number by a one-digit number using column multiplication.

We’ll go through each problem:

---

1. 44 × 4

```
44
× 4
----
176
```

Step-by-step:
- 4 × 4 = 16 → write down 6, carry over 1
- 4 × 4 = 16 + 1 (carry) = 17 → write down 17

✔ Answer: 176

---

2. 35 × 8

```
35
× 8
----
280
```

Step-by-step:
- 8 × 5 = 40 → write down 0, carry over 4
- 8 × 3 = 24 + 4 = 28 → write down 28

✔ Answer: 280

---

3. 91 × 2

```
91
× 2
----
182
```

Step-by-step:
- 2 × 1 = 2
- 2 × 9 = 18 → write down 18

✔ Answer: 182

---

4. 19 × 8

```
19
× 8
----
152
```

Step-by-step:
- 8 × 9 = 72 → write down 2, carry over 7
- 8 × 1 = 8 + 7 = 15 → write down 15

✔ Answer: 152

---

5. 77 × 2

```
77
× 2
----
154
```

Step-by-step:
- 2 × 7 = 14 → write down 4, carry over 1
- 2 × 7 = 14 + 1 = 15 → write down 15

✔ Answer: 154

---

6. 33 × 4

```
33
× 4
----
132
```

Step-by-step:
- 4 × 3 = 12 → write down 2, carry over 1
- 4 × 3 = 12 + 1 = 13 → write down 13

✔ Answer: 132

---

7. 34 × 4

```
34
× 4
----
136
```

Step-by-step:
- 4 × 4 = 16 → write down 6, carry over 1
- 4 × 3 = 12 + 1 = 13 → write down 13

✔ Answer: 136

---

8. 98 × 5

```
98
× 5
----
490
```

Step-by-step:
- 5 × 8 = 40 → write down 0, carry over 4
- 5 × 9 = 45 + 4 = 49 → write down 49

✔ Answer: 490

---

9. 50 × 7

```
50
× 7
----
350
```

Step-by-step:
- 7 × 0 = 0
- 7 × 5 = 35 → write down 35

✔ Answer: 350

---

10. 17 × 7

```
17
× 7
----
119
```

Step-by-step:
- 7 × 7 = 49 → write down 9, carry over 4
- 7 × 1 = 7 + 4 = 11 → write down 11

✔ Answer: 119

---

11. 52 × 1

```
52
× 1
----
52
```

Step-by-step:
- Any number multiplied by 1 is itself.

✔ Answer: 52

---

12. 63 × 8

```
63
× 8
----
504
```

Step-by-step:
- 8 × 3 = 24 → write down 4, carry over 2
- 8 × 6 = 48 + 2 = 50 → write down 50

✔ Answer: 504

---

13. 18 × 6

```
18
× 6
----
108
```

Step-by-step:
- 6 × 8 = 48 → write down 8, carry over 4
- 6 × 1 = 6 + 4 = 10 → write down 10

✔ Answer: 108

---

14. 28 × 5

```
28
× 5
----
140
```

Step-by-step:
- 5 × 8 = 40 → write down 0, carry over 4
- 5 × 2 = 10 + 4 = 14 → write down 14

✔ Answer: 140

---

15. 51 × 3

```
51
× 3
----
153
```

Step-by-step:
- 3 × 1 = 3
- 3 × 5 = 15 → write down 15

✔ Answer: 153

---

✔ Final Answers:

| Problem | Answer |
|--------|--------|
| 1. 44 × 4 | 176 |
| 2. 35 × 8 | 280 |
| 3. 91 × 2 | 182 |
| 4. 19 × 8 | 152 |
| 5. 77 × 2 | 154 |
| 6. 33 × 4 | 132 |
| 7. 34 × 4 | 136 |
| 8. 98 × 5 | 490 |
| 9. 50 × 7 | 350 |
|10. 17 × 7 | 119 |
|11. 52 × 1 | 52 |
|12. 63 × 8 | 504 |
|13. 18 × 6 | 108 |
|14. 28 × 5 | 140 |
|15. 51 × 3 | 153 |

---

🔍 Summary:

This worksheet helps students practice multiplying a two-digit number by a single-digit number using the column method, which involves:
1. Multiplying the one-digit number by each digit of the two-digit number.
2. Carrying over when necessary.
3. Adding the partial products mentally or in writing.

It reinforces place value and mental math skills essential for higher-level arithmetic.

Let me know if you'd like a printable version or explanation with visuals!