Printable math worksheet for practicing multiplication of 4-digit numbers by 1-digit numbers.

Let’s solve each multiplication problem step by step.

We are multiplying 4-digit numbers by 1-digit numbers (2, 3, 4, or 5). We’ll do each one carefully.

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Problem 1: 3216 × 3

Start from right to left:

- 6 × 3 = 18 → write 8, carry 1
- 1 × 3 = 3 + 1 (carry) = 4
- 2 × 3 = 6
- 3 × 3 = 9

→ 9648

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Problem 2: 2041 × 3

- 1 × 3 = 3
- 4 × 3 = 12 → write 2, carry 1
- 0 × 3 = 0 + 1 = 1
- 2 × 3 = 6

→ 6123

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Problem 3: 1428 × 5

- 8 × 5 = 40 → write 0, carry 4
- 2 × 5 = 10 + 4 = 14 → write 4, carry 1
- 4 × 5 = 20 + 1 = 21 → write 1, carry 2
- 1 × 5 = 5 + 2 = 7

→ 7140

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Problem 4: 4317 × 5

- 7 × 5 = 35 → write 5, carry 3
- 1 × 5 = 5 + 3 = 8
- 3 × 5 = 15 → write 5, carry 1
- 4 × 5 = 20 + 1 = 21

→ 21585

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Problem 5: 4013 × 2

- 3 × 2 = 6
- 1 × 2 = 2
- 0 × 2 = 0
- 4 × 2 = 8

→ 8026

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Problem 6: 6301 × 5

- 1 × 5 = 5
- 0 × 5 = 0
- 3 × 5 = 15 → write 5, carry 1
- 6 × 5 = 30 + 1 = 31

→ 31505

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Problem 7: 1425 × 3

- 5 × 3 = 15 → write 5, carry 1
- 2 × 3 = 6 + 1 = 7
- 4 × 3 = 12 → write 2, carry 1
- 1 × 3 = 3 + 1 = 4

→ 4275

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Problem 8: 6277 × 5

- 7 × 5 = 35 → write 5, carry 3
- 7 × 5 = 35 + 3 = 38 → write 8, carry 3
- 2 × 5 = 10 + 3 = 13 → write 3, carry 1
- 6 × 5 = 30 + 1 = 31

→ 31385

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Problem 9: 5217 × 5

- 7 × 5 = 35 → write 5, carry 3
- 1 × 5 = 5 + 3 = 8
- 2 × 5 = 10 → write 0, carry 1
- 5 × 5 = 25 + 1 = 26

→ 26085

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Problem 10: 1214 × 5

- 4 × 5 = 20 → write 0, carry 2
- 1 × 5 = 5 + 2 = 7
- 2 × 5 = 10 → write 0, carry 1
- 1 × 5 = 5 + 1 = 6

→ 6070

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Problem 11: 2517 × 3

- 7 × 3 = 21 → write 1, carry 2
- 1 × 3 = 3 + 2 = 5
- 5 × 3 = 15 → write 5, carry 1
- 2 × 3 = 6 + 1 = 7

→ 7551

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Problem 12: 6271 × 2

- 1 × 2 = 2
- 7 × 2 = 14 → write 4, carry 1
- 2 × 2 = 4 + 1 = 5
- 6 × 2 = 12

→ 12542

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Problem 13: 7307 × 5

- 7 × 5 = 35 → write 5, carry 3
- 0 × 5 = 0 + 3 = 3
- 3 × 5 = 15 → write 5, carry 1
- 7 × 5 = 35 + 1 = 36

→ 36535

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Problem 14: 5618 × 2

- 8 × 2 = 16 → write 6, carry 1
- 1 × 2 = 2 + 1 = 3
- 6 × 2 = 12 → write 2, carry 1
- 5 × 2 = 10 + 1 = 11

→ 11236

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Problem 15: 4911 × 2

- 1 × 2 = 2
- 1 × 2 = 2
- 9 × 2 = 18 → write 8, carry 1
- 4 × 2 = 8 + 1 = 9

→ 9822

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Problem 16: 7894 × 2

- 4 × 2 = 8
- 9 × 2 = 18 → write 8, carry 1
- 8 × 2 = 16 + 1 = 17 → write 7, carry 1
- 7 × 2 = 14 + 1 = 15

→ 15788

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Problem 17: 3539 × 4

- 9 × 4 = 36 → write 6, carry 3
- 3 × 4 = 12 + 3 = 15 → write 5, carry 1
- 5 × 4 = 20 + 1 = 21 → write 1, carry 2
- 3 × 4 = 12 + 2 = 14

→ 14156

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Problem 18: 5267 × 3

- 7 × 3 = 21 → write 1, carry 2
- 6 × 3 = 18 + 2 = 20 → write 0, carry 2
- 2 × 3 = 6 + 2 = 8
- 5 × 3 = 15

→ 15801

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Final Answer:
1) 9648
2) 6123
3) 7140
4) 21585
5) 8026
6) 31505
7) 4275
8) 31385
9) 26085
10) 6070
11) 7551
12) 12542
13) 36535
14) 11236
15) 9822
16) 15788
17) 14156
18) 15801