Subtracting 3 digits grade 6 worksheet - Free Printable

Problem: Subtracting 3-Digit Numbers

The task involves solving a series of subtraction problems involving 3-digit numbers. Below, I will solve each problem step by step and provide the final answers.

---

Step-by-Step Solutions

#### 1) \( 472 - 446 \)
```
472
- 446
-----
26
```
- Subtract the ones place: \( 2 - 6 \). Borrow 1 from the tens place (7 becomes 6), so \( 12 - 6 = 6 \).
- Subtract the tens place: \( 6 - 4 = 2 \).
- Subtract the hundreds place: \( 4 - 4 = 0 \).

Answer: \( 26 \)

#### 2) \( 787 - 523 \)
```
787
- 523
-----
264
```
- Subtract the ones place: \( 7 - 3 = 4 \).
- Subtract the tens place: \( 8 - 2 = 6 \).
- Subtract the hundreds place: \( 7 - 5 = 2 \).

Answer: \( 264 \)

#### 3) \( 425 - 274 \)
```
425
- 274
-----
151
```
- Subtract the ones place: \( 5 - 4 = 1 \).
- Subtract the tens place: \( 2 - 7 \). Borrow 1 from the hundreds place (4 becomes 3), so \( 12 - 7 = 5 \).
- Subtract the hundreds place: \( 3 - 2 = 1 \).

Answer: \( 151 \)

#### 4) \( 732 - 582 \)
```
732
- 582
-----
150
```
- Subtract the ones place: \( 2 - 2 = 0 \).
- Subtract the tens place: \( 3 - 8 \). Borrow 1 from the hundreds place (7 becomes 6), so \( 13 - 8 = 5 \).
- Subtract the hundreds place: \( 6 - 5 = 1 \).

Answer: \( 150 \)

#### 5) \( 889 - 172 \)
```
889
- 172
-----
717
```
- Subtract the ones place: \( 9 - 2 = 7 \).
- Subtract the tens place: \( 8 - 7 = 1 \).
- Subtract the hundreds place: \( 8 - 1 = 7 \).

Answer: \( 717 \)

#### 6) \( 387 - 324 \)
```
387
- 324
-----
63
```
- Subtract the ones place: \( 7 - 4 = 3 \).
- Subtract the tens place: \( 8 - 2 = 6 \).
- Subtract the hundreds place: \( 3 - 3 = 0 \).

Answer: \( 63 \)

#### 7) \( 600 - 258 \)
```
600
- 258
-----
342
```
- Subtract the ones place: \( 0 - 8 \). Borrow 1 from the tens place (0 becomes 10), so \( 10 - 8 = 2 \).
- Subtract the tens place: \( 0 - 5 \). Borrow 1 from the hundreds place (6 becomes 5), so \( 10 - 5 = 5 \).
- Subtract the hundreds place: \( 5 - 2 = 3 \).

Answer: \( 342 \)

#### 8) \( 961 - 223 \)
```
961
- 223
-----
738
```
- Subtract the ones place: \( 1 - 3 \). Borrow 1 from the tens place (6 becomes 5), so \( 11 - 3 = 8 \).
- Subtract the tens place: \( 5 - 2 = 3 \).
- Subtract the hundreds place: \( 9 - 2 = 7 \).

Answer: \( 738 \)

#### 9) \( 540 - 289 \)
```
540
- 289
-----
251
```
- Subtract the ones place: \( 0 - 9 \). Borrow 1 from the tens place (4 becomes 3), so \( 10 - 9 = 1 \).
- Subtract the tens place: \( 3 - 8 \). Borrow 1 from the hundreds place (5 becomes 4), so \( 13 - 8 = 5 \).
- Subtract the hundreds place: \( 4 - 2 = 2 \).

Answer: \( 251 \)

#### 10) \( 514 - 437 \)
```
514
- 437
-----
77
```
- Subtract the ones place: \( 4 - 7 \). Borrow 1 from the tens place (1 becomes 10), so \( 14 - 7 = 7 \).
- Subtract the tens place: \( 0 - 3 \). Borrow 1 from the hundreds place (5 becomes 4), so \( 10 - 3 = 7 \).
- Subtract the hundreds place: \( 4 - 4 = 0 \).

Answer: \( 77 \)

#### 11) \( 346 - 137 \)
```
346
- 137
-----
209
```
- Subtract the ones place: \( 6 - 7 \). Borrow 1 from the tens place (4 becomes 3), so \( 16 - 7 = 9 \).
- Subtract the tens place: \( 3 - 3 = 0 \).
- Subtract the hundreds place: \( 3 - 1 = 2 \).

Answer: \( 209 \)

#### 12) \( 256 - 141 \)
```
256
- 141
-----
115
```
- Subtract the ones place: \( 6 - 1 = 5 \).
- Subtract the tens place: \( 5 - 4 = 1 \).
- Subtract the hundreds place: \( 2 - 1 = 1 \).

Answer: \( 115 \)

#### 13) \( 999 - 729 \)
```
999
- 729
-----
270
```
- Subtract the ones place: \( 9 - 9 = 0 \).
- Subtract the tens place: \( 9 - 2 = 7 \).
- Subtract the hundreds place: \( 9 - 7 = 2 \).

Answer: \( 270 \)

#### 14) \( 944 - 493 \)
```
944
- 493
-----
451
```
- Subtract the ones place: \( 4 - 3 = 1 \).
- Subtract the tens place: \( 4 - 9 \). Borrow 1 from the hundreds place (9 becomes 8), so \( 14 - 9 = 5 \).
- Subtract the hundreds place: \( 8 - 4 = 4 \).

Answer: \( 451 \)

#### 15) \( 338 - 288 \)
```
338
- 288
-----
50
```
- Subtract the ones place: \( 8 - 8 = 0 \).
- Subtract the tens place: \( 3 - 8 \). Borrow 1 from the hundreds place (3 becomes 2), so \( 13 - 8 = 5 \).
- Subtract the hundreds place: \( 2 - 2 = 0 \).

Answer: \( 50 \)

#### 16) \( 190 - 179 \)
```
190
- 179
-----
11
```
- Subtract the ones place: \( 0 - 9 \). Borrow 1 from the tens place (9 becomes 8), so \( 10 - 9 = 1 \).
- Subtract the tens place: \( 8 - 7 = 1 \).
- Subtract the hundreds place: \( 1 - 1 = 0 \).

Answer: \( 11 \)

#### 17) \( 243 - 192 \)
```
243
- 192
-----
51
```
- Subtract the ones place: \( 3 - 2 = 1 \).
- Subtract the tens place: \( 4 - 9 \). Borrow 1 from the hundreds place (2 becomes 1), so \( 14 - 9 = 5 \).
- Subtract the hundreds place: \( 1 - 1 = 0 \).

Answer: \( 51 \)

#### 18) \( 551 - 317 \)
```
551
- 317
-----
234
```
- Subtract the ones place: \( 1 - 7 \). Borrow 1 from the tens place (5 becomes 4), so \( 11 - 7 = 4 \).
- Subtract the tens place: \( 4 - 1 = 3 \).
- Subtract the hundreds place: \( 5 - 3 = 2 \).

Answer: \( 234 \)

#### 19) \( 351 - 348 \)
```
351
- 348
-----
3
```
- Subtract the ones place: \( 1 - 8 \). Borrow 1 from the tens place (5 becomes 4), so \( 11 - 8 = 3 \).
- Subtract the tens place: \( 4 - 4 = 0 \).
- Subtract the hundreds place: \( 3 - 3 = 0 \).

Answer: \( 3 \)

#### 20) \( 538 - 423 \)
```
538
- 423
-----
115
```
- Subtract the ones place: \( 8 - 3 = 5 \).
- Subtract the tens place: \( 3 - 2 = 1 \).
- Subtract the hundreds place: \( 5 - 4 = 1 \).

Answer: \( 115 \)

---

Final Answers

\[
\boxed{
\begin{array}{ll}
1) & 26 \\
2) & 264 \\
3) & 151 \\
4) & 150 \\
5) & 717 \\
6) & 63 \\
7) & 342 \\
8) & 738 \\
9) & 251 \\
10) & 77 \\
11) & 209 \\
12) & 115 \\
13) & 270 \\
14) & 451 \\
15) & 50 \\
16) & 11 \\
17) & 51 \\
18) & 234 \\
19) & 3 \\
20) & 115 \\
\end{array}
}
\]