3-Digits by 1-Digit Multiplication Worksheet with 20 Problems

A math worksheet titled "3-Digits by 1-Digit Multiplication Sheet 1" featuring 20 multiplication problems where students multiply three-digit numbers by single digits (1, 2, 3, 4, or 5). The worksheet includes spaces for the student's name and date, and has a small logo in the top right corner.

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ID: #215795

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Let's solve each of the multiplication problems on the worksheet step by step. The task is to multiply a 3-digit number by a 1-digit number (1, 2, 3, 4, or 5). We'll go through each one carefully.

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1) 307 × 2

```
307
× 2
-----
614
```
Explanation:
2 × 7 = 14 → write 4, carry 1
2 × 0 = 0 + 1 = 1
2 × 3 = 6
→ 614

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2) 186 × 5

```
186
× 5
-----
930
```
Explanation:
5 × 6 = 30 → write 0, carry 3
5 × 8 = 40 + 3 = 43 → write 3, carry 4
5 × 1 = 5 + 4 = 9
→ 930

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3) 305 × 3

```
305
× 3
-----
915
```
Explanation:
3 × 5 = 15 → write 5, carry 1
3 × 0 = 0 + 1 = 1
3 × 3 = 9
→ 915

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4) 417 × 2

```
417
× 2
-----
834
```
Explanation:
2 × 7 = 14 → write 4, carry 1
2 × 1 = 2 + 1 = 3
2 × 4 = 8
→ 834

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5) 582 × 3

```
582
× 3
-----
1746
```
Explanation:
3 × 2 = 6
3 × 8 = 24 → write 4, carry 2
3 × 5 = 15 + 2 = 17
→ 1746

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6) 438 × 1

```
438
× 1
-----
438
```
Explanation: Any number × 1 = itself → 438

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7) 653 × 2

```
653
× 2
-----
1306
```
Explanation:
2 × 3 = 6
2 × 5 = 10 → write 0, carry 1
2 × 6 = 12 + 1 = 13
→ 1306

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8) 154 × 5

```
154
× 5
-----
770
```
Explanation:
5 × 4 = 20 → write 0, carry 2
5 × 5 = 25 + 2 = 27 → write 7, carry 2
5 × 1 = 5 + 2 = 7
→ 770

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9) 348 × 3

```
348
× 3
-----
1044
```
Explanation:
3 × 8 = 24 → write 4, carry 2
3 × 4 = 12 + 2 = 14 → write 4, carry 1
3 × 3 = 9 + 1 = 10
→ 1044

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10) 845 × 2

```
845
× 2
-----
1690
```
Explanation:
2 × 5 = 10 → write 0, carry 1
2 × 4 = 8 + 1 = 9
2 × 8 = 16
→ 1690

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11) 225 × 4

```
225
× 4
-----
900
```
Explanation:
4 × 5 = 20 → write 0, carry 2
4 × 2 = 8 + 2 = 10 → write 0, carry 1
4 × 2 = 8 + 1 = 9
→ 900

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12) 624 × 1

```
624
× 1
-----
624
```
→ 624

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13) 597 × 2

```
597
× 2
-----
1194
```
Explanation:
2 × 7 = 14 → write 4, carry 1
2 × 9 = 18 + 1 = 19 → write 9, carry 1
2 × 5 = 10 + 1 = 11
→ 1194

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14) 234 × 4

```
234
× 4
-----
936
```
Explanation:
4 × 4 = 16 → write 6, carry 1
4 × 3 = 12 + 1 = 13 → write 3, carry 1
4 × 2 = 8 + 1 = 9
→ 936

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15) 205 × 5

```
205
× 5
-----
1025
```
Explanation:
5 × 5 = 25 → write 5, carry 2
5 × 0 = 0 + 2 = 2
5 × 2 = 10
→ 1025

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16) 148 × 3

```
148
× 3
-----
444
```
Explanation:
3 × 8 = 24 → write 4, carry 2
3 × 4 = 12 + 2 = 14 → write 4, carry 1
3 × 1 = 3 + 1 = 4
→ 444

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17) 317 × 4

```
317
× 4
-----
1268
```
Explanation:
4 × 7 = 28 → write 8, carry 2
4 × 1 = 4 + 2 = 6
4 × 3 = 12
→ 1268

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18) 352 × 5

```
352
× 5
-----
1760
```
Explanation:
5 × 2 = 10 → write 0, carry 1
5 × 5 = 25 + 1 = 26 → write 6, carry 2
5 × 3 = 15 + 2 = 17
→ 1760

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19) 846 × 2

```
846
× 2
-----
1692
```
Explanation:
2 × 6 = 12 → write 2, carry 1
2 × 4 = 8 + 1 = 9
2 × 8 = 16
→ 1692

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20) 553 × 3

```
553
× 3
-----
1659
```
Explanation:
3 × 3 = 9
3 × 5 = 15 → write 5, carry 1
3 × 5 = 15 + 1 = 16
→ 1659

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✔ Final Answers:

1) 614
2) 930
3) 915
4) 834
5) 1746
6) 438
7) 1306
8) 770
9) 1044
10) 1690
11) 900
12) 624
13) 1194
14) 936
15) 1025
16) 444
17) 1268
18) 1760
19) 1692
20) 1659

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