Column Subtraction Worksheet 5 - Practice solving subtraction equations with two-digit and three-digit numbers.

I'll solve each column subtraction problem step by step, working through them carefully.

Let me work through all 12 problems:

Problem 1: 81 - 45
- Ones place: 1 - 5 (need to borrow from tens)
- Borrow 1 from 8, making it 7, and add 10 to 1, making it 11
- 11 - 5 = 6
- Tens place: 7 - 4 = 3
- Answer: 36

Problem 2: 79 - 44
- Ones place: 9 - 4 = 5
- Tens place: 7 - 4 = 3
- Answer: 35

Problem 3: 65 - 50
- Ones place: 5 - 0 = 5
- Tens place: 6 - 5 = 1
- Answer: 15

Problem 4: 83 - 35
- Ones place: 3 - 5 (need to borrow)
- Borrow 1 from 8, making it 7, and add 10 to 3, making it 13
- 13 - 5 = 8
- Tens place: 7 - 3 = 4
- Answer: 48

Problem 5: 93 - 40
- Ones place: 3 - 0 = 3
- Tens place: 9 - 4 = 5
- Answer: 53

Problem 6: 46 - 25
- Ones place: 6 - 5 = 1
- Tens place: 4 - 2 = 2
- Answer: 21

Problem 7: 85 - 62
- Ones place: 5 - 2 = 3
- Tens place: 8 - 6 = 2
- Answer: 23

Problem 8: 59 - 25
- Ones place: 9 - 5 = 4
- Tens place: 5 - 2 = 3
- Answer: 34

Problem 9: 375 - 220
- Ones place: 5 - 0 = 5
- Tens place: 7 - 2 = 5
- Hundreds place: 3 - 2 = 1
- Answer: 155

Problem 10: 235 - 150
- Ones place: 5 - 0 = 5
- Tens place: 3 - 5 (need to borrow)
- Borrow 1 from 2, making it 1, and add 10 to 3, making it 13
- 13 - 5 = 8
- Hundreds place: 1 - 1 = 0
- Answer: 85

Problem 11: 745 - 450
- Ones place: 5 - 0 = 5
- Tens place: 4 - 5 (need to borrow)
- Borrow 1 from 7, making it 6, and add 10 to 4, making it 14
- 14 - 5 = 9
- Hundreds place: 6 - 4 = 2
- Answer: 295

Problem 12: 530 - 260
- Ones place: 0 - 0 = 0
- Tens place: 3 - 6 (need to borrow)
- Borrow 1 from 5, making it 4, and add 10 to 3, making it 13
- 13 - 6 = 7
- Hundreds place: 4 - 2 = 2
- Answer: 270

Let me double-check my calculations:
1. 81 - 45 = 36 ✓
2. 79 - 44 = 35 ✓
3. 65 - 50 = 15 ✓
4. 83 - 35 = 48 ✓
5. 93 - 40 = 53 ✓
6. 46 - 25 = 21 ✓
7. 85 - 62 = 23 ✓
8. 59 - 25 = 34 ✓
9. 375 - 220 = 155 ✓
10. 235 - 150 = 85 ✓
11. 745 - 450 = 295 ✓
12. 530 - 260 = 270 ✓

Final Answer:
1. 36
2. 35
3. 15
4. 48
5. 53
6. 21
7. 23
8. 34
9. 155
10. 85
11. 295
12. 270