Let's solve each of the
column subtraction problems step by step. We'll subtract the bottom number from the top number in each case, using standard column subtraction (borrowing when needed).
---
1. 675 - 286
```
675
- 286
-----
```
-
Units: 5 - 6 → can't do, borrow from tens.
- Tens digit (7) becomes 6, units become 15.
- 15 - 6 = 9
-
Tens: 6 - 8 → can't do, borrow from hundreds.
- Hundreds digit (6) becomes 5, tens become 16.
- 16 - 8 = 8
-
Hundreds: 5 - 2 = 3
✔ Answer: 389
---
2. 942 - 376
```
942
- 376
-----
```
-
Units: 2 - 6 → borrow from tens.
- Tens (4) becomes 3, units become 12.
- 12 - 6 = 6
-
Tens: 3 - 7 → borrow from hundreds.
- Hundreds (9) becomes 8, tens become 13.
- 13 - 7 = 6
-
Hundreds: 8 - 3 = 5
✔ Answer: 566
---
3. 825 - 546
```
825
- 546
-----
```
-
Units: 5 - 6 → borrow.
- Tens (2) becomes 1, units become 15.
- 15 - 6 = 9
-
Tens: 1 - 4 → borrow.
- Hundreds (8) becomes 7, tens become 11.
- 11 - 4 = 7
-
Hundreds: 7 - 5 = 2
✔ Answer: 279
---
4. 278 - 192
```
278
- 192
-----
```
-
Units: 8 - 2 = 6
-
Tens: 7 - 9 → borrow.
- Hundreds (2) becomes 1, tens become 17.
- 17 - 9 = 8
-
Hundreds: 1 - 1 = 0
✔ Answer: 86
---
5. 428 - 356
```
428
- 356
-----
```
-
Units: 8 - 6 = 2
-
Tens: 2 - 5 → borrow.
- Hundreds (4) becomes 3, tens become 12.
- 12 - 5 = 7
-
Hundreds: 3 - 3 = 0
✔ Answer: 72
---
6. 733 - 259
```
733
- 259
-----
```
-
Units: 3 - 9 → borrow.
- Tens (3) becomes 2, units become 13.
- 13 - 9 = 4
-
Tens: 2 - 5 → borrow.
- Hundreds (7) becomes 6, tens become 12.
- 12 - 5 = 7
-
Hundreds: 6 - 2 = 4
✔ Answer: 474
---
7. 994 - 637
```
994
- 637
-----
```
-
Units: 4 - 7 → borrow.
- Tens (9) becomes 8, units become 14.
- 14 - 7 = 7
-
Tens: 8 - 3 = 5
-
Hundreds: 9 - 6 = 3
✔ Answer: 357
---
8. 557 - 367
```
557
- 367
-----
```
-
Units: 7 - 7 = 0
-
Tens: 5 - 6 → borrow.
- Hundreds (5) becomes 4, tens become 15.
- 15 - 6 = 9
-
Hundreds: 4 - 3 = 1
✔ Answer: 190
---
9. 256 - 108
```
256
- 108
-----
```
-
Units: 6 - 8 → borrow.
- Tens (5) becomes 4, units become 16.
- 16 - 8 = 8
-
Tens: 4 - 0 = 4
-
Hundreds: 2 - 1 = 1
✔ Answer: 148
---
10. 793 - 258
```
793
- 258
-----
```
-
Units: 3 - 8 → borrow.
- Tens (9) becomes 8, units become 13.
- 13 - 8 = 5
-
Tens: 8 - 5 = 3
-
Hundreds: 7 - 2 = 5
✔ Answer: 535
---
11. 537 - 362
```
537
- 362
-----
```
-
Units: 7 - 2 = 5
-
Tens: 3 - 6 → borrow.
- Hundreds (5) becomes 4, tens become 13.
- 13 - 6 = 7
-
Hundreds: 4 - 3 = 1
✔ Answer: 175
---
12. 448 - 226
```
448
- 226
-----
```
-
Units: 8 - 6 = 2
-
Tens: 4 - 2 = 2
-
Hundreds: 4 - 2 = 2
✔ Answer: 222
---
✔ Final Answers:
1.
389
2.
566
3.
279
4.
86
5.
72
6.
474
7.
357
8.
190
9.
148
10.
535
11.
175
12.
222
---
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Parent Tip: Review the logic above to help your child master the concept of subtraction borrowing worksheet grade.