Free printable math worksheet featuring 16 problems for practicing addition and subtraction of 3-digit and 2-digit numbers with regrouping.

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

Let me work through all 16 problems:

Row 1 - Addition:

1. 217 + 24
- Ones: 7 + 4 = 11 (write 1, carry 1)
- Tens: 1 + 2 + 1 = 4
- Hundreds: 2 + 0 = 2
- Answer: 241

2. 819 + 49
- Ones: 9 + 9 = 18 (write 8, carry 1)
- Tens: 1 + 4 + 1 = 6
- Hundreds: 8 + 0 = 8
- Answer: 868

3. 975 + 17
- Ones: 5 + 7 = 12 (write 2, carry 1)
- Tens: 7 + 1 + 1 = 9
- Hundreds: 9 + 0 = 9
- Answer: 992

4. 928 + 22
- Ones: 8 + 2 = 10 (write 0, carry 1)
- Tens: 2 + 2 + 1 = 5
- Hundreds: 9 + 0 = 9
- Answer: 950

Row 2 - Addition:

5. 156 + 47
- Ones: 6 + 7 = 13 (write 3, carry 1)
- Tens: 5 + 4 + 1 = 10 (write 0, carry 1)
- Hundreds: 1 + 0 + 1 = 2
- Answer: 203

6. 298 + 64
- Ones: 8 + 4 = 12 (write 2, carry 1)
- Tens: 9 + 6 + 1 = 16 (write 6, carry 1)
- Hundreds: 2 + 0 + 1 = 3
- Answer: 362

7. 594 + 79
- Ones: 4 + 9 = 13 (write 3, carry 1)
- Tens: 9 + 7 + 1 = 17 (write 7, carry 1)
- Hundreds: 5 + 0 + 1 = 6
- Answer: 673

8. 195 + 75
- Ones: 5 + 5 = 10 (write 0, carry 1)
- Tens: 9 + 7 + 1 = 17 (write 7, carry 1)
- Hundreds: 1 + 0 + 1 = 2
- Answer: 270

Row 3 - Subtraction:

9. 697 - 88
- Ones: 7 - 8 (need to borrow). Borrow from tens: 17 - 8 = 9
- Tens: 8 (after borrowing) - 8 = 0
- Hundreds: 6 - 0 = 6
- Answer: 609

10. 151 - 23
- Ones: 1 - 3 (need to borrow). Borrow from tens: 11 - 3 = 8
- Tens: 4 (after borrowing) - 2 = 2
- Hundreds: 1 - 0 = 1
- Answer: 128

11. 493 - 57
- Ones: 3 - 7 (need to borrow). Borrow from tens: 13 - 7 = 6
- Tens: 8 (after borrowing) - 5 = 3
- Hundreds: 4 - 0 = 4
- Answer: 436

12. 391 - 76
- Ones: 1 - 6 (need to borrow). Borrow from tens: 11 - 6 = 5
- Tens: 8 (after borrowing) - 7 = 1
- Hundreds: 3 - 0 = 3
- Answer: 315

Row 4 - Subtraction:

13. 702 - 97
- Ones: 2 - 7 (need to borrow). Borrow from tens, but tens is 0, so borrow from hundreds: 12 - 7 = 5
- Tens: 9 (after borrowing from hundreds) - 9 = 0
- Hundreds: 6 (after borrowing) - 0 = 6
- Answer: 605

14. 752 - 98
- Ones: 2 - 8 (need to borrow). Borrow from tens: 12 - 8 = 4
- Tens: 4 (after borrowing) - 9 (need to borrow). Borrow from hundreds: 14 - 9 = 5
- Hundreds: 6 (after borrowing) - 0 = 6
- Answer: 654

15. 180 - 81
- Ones: 0 - 1 (need to borrow). Borrow from tens: 10 - 1 = 9
- Tens: 7 (after borrowing) - 8 (need to borrow). Borrow from hundreds: 17 - 8 = 9
- Hundreds: 0 (after borrowing) - 0 = 0
- Answer: 99

16. 742 - 83
- Ones: 2 - 3 (need to borrow). Borrow from tens: 12 - 3 = 9
- Tens: 3 (after borrowing) - 8 (need to borrow). Borrow from hundreds: 13 - 8 = 5
- Hundreds: 6 (after borrowing) - 0 = 6
- Answer: 659

Let me verify my calculations one more time:

1. 217 + 24 = 241 ✓
2. 819 + 49 = 868 ✓
3. 975 + 17 = 992 ✓
4. 928 + 22 = 950 ✓
5. 156 + 47 = 203 ✓
6. 298 + 64 = 362 ✓
7. 594 + 79 = 673 ✓
8. 195 + 75 = 270 ✓
9. 697 - 88 = 609 ✓
10. 151 - 23 = 128 ✓
11. 493 - 57 = 436 ✓
12. 391 - 76 = 315 ✓
13. 702 - 97 = 605 ✓
14. 752 - 98 = 654 ✓
15. 180 - 81 = 99 ✓
16. 742 - 83 = 659 ✓

Final Answer:
241, 868, 992, 950, 203, 362, 673, 270, 609, 128, 436, 315, 605, 654, 99, 659