Let's solve each of the
column subtraction problems step by step. We'll subtract the bottom number from the top number, borrowing when necessary.
---
1. 58 - 29
```
58
- 29
----
```
- Ones place: 8 - 9 → can't do, so borrow 1 from tens.
- 18 - 9 = 9
- Tens place: 4 (after borrowing) - 2 = 2
✔ Answer: 29
---
2. 72 - 46
```
72
- 46
----
```
- Ones: 2 - 6 → borrow needed
- 12 - 6 = 6
- Tens: 6 (after borrowing) - 4 = 2
✔ Answer: 26
---
3. 96 - 59
```
96
- 59
----
```
- Ones: 6 - 9 → borrow
- 16 - 9 = 7
- Tens: 8 - 5 = 3
✔ Answer: 37
---
4. 65 - 37
```
65
- 37
----
```
- Ones: 5 - 7 → borrow
- 15 - 7 = 8
- Tens: 5 - 3 = 2
✔ Answer: 28
---
5. 284 - 179
```
284
- 179
-----
```
- Ones: 4 - 9 → borrow
- 14 - 9 = 5
- Tens: 7 (after borrowing) - 7 = 0
- Hundreds: 2 - 1 = 1
✔ Answer: 105
---
6. 438 - 256
```
438
- 256
-----
```
- Ones: 8 - 6 = 2
- Tens: 3 - 5 → borrow
- 13 - 5 = 8
- Hundreds: 3 (after borrowing) - 2 = 1
✔ Answer: 182
---
7. 452 - 327
```
452
- 327
-----
```
- Ones: 2 - 7 → borrow
- 12 - 7 = 5
- Tens: 4 (after borrowing) - 2 = 2
- Hundreds: 4 - 3 = 1
✔ Answer: 125
---
8. 642 - 228
```
642
- 228
-----
```
- Ones: 2 - 8 → borrow
- 12 - 8 = 4
- Tens: 3 (after borrowing) - 2 = 1
- Hundreds: 6 - 2 = 4
✔ Answer: 414
---
9. 684 - 459
```
684
- 459
-----
```
- Ones: 4 - 9 → borrow
- 14 - 9 = 5
- Tens: 7 (after borrowing) - 5 = 2
- Hundreds: 6 - 4 = 2
✔ Answer: 225
---
10. 374 - 226
```
374
- 226
-----
```
- Ones: 4 - 6 → borrow
- 14 - 6 = 8
- Tens: 6 (after borrowing) - 2 = 4
- Hundreds: 3 - 2 = 1
✔ Answer: 148
---
11. 786 - 459
```
786
- 459
-----
```
- Ones: 6 - 9 → borrow
- 16 - 9 = 7
- Tens: 7 (after borrowing) - 5 = 2
- Hundreds: 7 - 4 = 3
✔ Answer: 327
---
12. 287 - 159
```
287
- 159
-----
```
- Ones: 7 - 9 → borrow
- 17 - 9 = 8
- Tens: 7 (after borrowing) - 5 = 2
- Hundreds: 2 - 1 = 1
✔ Answer: 128
---
✔ Final Answers:
1.
29
2.
26
3.
37
4.
28
5.
105
6.
182
7.
125
8.
414
9.
225
10.
148
11.
327
12.
128
Let me know if you'd like a printable version or explanation for any specific problem!
Parent Tip: Review the logic above to help your child master the concept of 4th grade math addition and subtraction worksheet.