Help your child master addition and subtraction with regrouping using this engaging worksheet with 16 practice problems.

Let’s solve each problem step by step. We’ll do addition and subtraction with regrouping (also called borrowing or carrying). I’ll go row by row, left to right.

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First Row: Addition

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

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

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

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

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Second Row: Addition

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

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

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

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

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Third Row: Subtraction

9. 697 - 88
- Ones: 7 - 8 → can’t do, borrow from tens. Tens is 9 → becomes 8, ones become 17. 17 - 8 = 9
- Tens: 8 - 8 = 0
- Hundreds: 6
→ 609

10. 151 - 23
- Ones: 1 - 3 → borrow from tens. Tens is 5 → becomes 4, ones become 11. 11 - 3 = 8
- Tens: 4 - 2 = 2
- Hundreds: 1
→ 128

11. 493 - 57
- Ones: 3 - 7 → borrow from tens. Tens is 9 → becomes 8, ones become 13. 13 - 7 = 6
- Tens: 8 - 5 = 3
- Hundreds: 4
→ 436

12. 391 - 76
- Ones: 1 - 6 → borrow from tens. Tens is 9 → becomes 8, ones become 11. 11 - 6 = 5
- Tens: 8 - 7 = 1
- Hundreds: 3
→ 315

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Fourth Row: Subtraction

13. 702 - 97
- Ones: 2 - 7 → borrow from tens. But tens is 0 → so borrow from hundreds first.
Hundreds: 7 → 6, tens: 0 → 10. Now borrow from tens for ones: tens 10 → 9, ones 2 → 12.
12 - 7 = 5
- Tens: 9 - 9 = 0
- Hundreds: 6
→ 605

14. 752 - 98
- Ones: 2 - 8 → borrow from tens. Tens is 5 → becomes 4, ones become 12. 12 - 8 = 4
- Tens: 4 - 9 → can’t do, borrow from hundreds. Hundreds 7 → 6, tens 4 → 14. 14 - 9 = 5
- Hundreds: 6
→ 654

15. 180 - 81
- Ones: 0 - 1 → borrow from tens. Tens is 8 → becomes 7, ones become 10. 10 - 1 = 9
- Tens: 7 - 8 → can’t do, borrow from hundreds. Hundreds 1 → 0, tens 7 → 17. 17 - 8 = 9
- Hundreds: 0
→ 99

16. 742 - 83
- Ones: 2 - 3 → borrow from tens. Tens is 4 → becomes 3, ones become 12. 12 - 3 = 9
- Tens: 3 - 8 → can’t do, borrow from hundreds. Hundreds 7 → 6, tens 3 → 13. 13 - 8 = 5
- Hundreds: 6
→ 659

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