Math Practice Online > free > lessons > Florida > 4th grade > Long Multiplication

These sample problems below for Long Multiplication were generated by the MathScore.com engine.

## Sample Problems For Long Multiplication

### Complexity=14

Multiply.
1.
 11   × 5
2.
 12   × 14

### Complexity=20

Multiply.
1.
 9   × 18
2.
 10   × 14

### Complexity=40

Multiply.
1.
 31   × 28
2.
 23   × 13

### Complexity=100

Multiply.
1.
 73   × 61
2.
 88   × 66

### Complexity=300

Multiply.
1.
 114   × 292
2.
 146   × 174

### Complexity=500

Multiply.
1.
 171   × 341
2.
 496   × 412

### Complexity=1000

Multiply.
1.
 675   × 735
2.
 641   × 428

### Complexity=5000

Multiply.
1.
 3235   × 1833
2.
 2541   × 2492

### Complexity=14

Multiply.
1
 11   × 5
Solution
```  11
× 5
55
```
2
 12   × 14
Solution
```   12
× 14
48
12
168
```

### Complexity=20

Multiply.
1
 9   × 18
Solution
```    9
× 18
72
9
162
```
2
 10   × 14
Solution
```   10
× 14
40
10
140
```

### Complexity=40

Multiply.
1
 31   × 28
Solution
```   31
× 28
248
62
868
```
2
 23   × 13
Solution
```   23
× 13
69
23
299
```

### Complexity=100

Multiply.
1
 73   × 61
Solution
```    73
× 61
73
438
4453
```
2
 88   × 66
Solution
```    88
× 66
528
528
5808
```

### Complexity=300

Multiply.
1
 114   × 292
Solution
```    114
× 292
228
1026
228
33288
```
2
 146   × 174
Solution
```    146
× 174
584
1022
146
25404
```

### Complexity=500

Multiply.
1
 171   × 341
Solution
```    171
× 341
171
684
513
58311
```
2
 496   × 412
Solution
```     496
× 412
992
496
1984
204352
```

### Complexity=1000

Multiply.
1
 675   × 735
Solution
```     675
× 735
3375
2025
4725
496125
```
2
 641   × 428
Solution
```     641
× 428
5128
1282
2564
274348
```

### Complexity=5000

Multiply.
1
 3235   × 1833
Solution
```     3235
× 1833
9705
9705
25880
3235
5929755
```
2
 2541   × 2492
Solution
```     2541
× 2492
5082
22869
10164
5082
6332172
```

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