Addition With Regrouping Worksheet 6 | All Kids Network - Free Printable
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Step-by-step solution for: Addition With Regrouping Worksheet 6 | All Kids Network
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Show Answer Key & Explanations
Step-by-step solution for: Addition With Regrouping Worksheet 6 | All Kids Network
Let’s solve each problem one by one, carefully doing addition and subtraction with regrouping (also called borrowing or carrying).
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Problem 1: 808 - 272
Start from right to left:
- Ones: 8 - 2 = 6
- Tens: 0 - 7 → can’t do! Borrow from hundreds.
So 80 becomes 79, and tens become 10. Now 10 - 7 = 3
- Hundreds: 7 - 2 = 5
→ Answer: 536
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Problem 2: 614 - 336
- Ones: 4 - 6 → borrow from tens.
Tens is 1 → becomes 0, ones become 14. 14 - 6 = 8
- Tens: 0 - 3 → borrow from hundreds.
Hundreds 6 becomes 5, tens become 10. 10 - 3 = 7
- Hundreds: 5 - 3 = 2
→ Answer: 278
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Problem 3: 562 + 362
- Ones: 2 + 2 = 4
- Tens: 6 + 6 = 12 → write 2, carry 1
- Hundreds: 5 + 3 + 1 (carry) = 9
→ Answer: 924
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Problem 4: 873 - 597
- Ones: 3 - 7 → borrow. Tens 7 becomes 6, ones become 13. 13 - 7 = 6
- Tens: 6 - 9 → borrow. Hundreds 8 becomes 7, tens become 16. 16 - 9 = 7
- Hundreds: 7 - 5 = 2
→ Answer: 276
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Problem 5: 608 - 272
- Ones: 8 - 2 = 6
- Tens: 0 - 7 → borrow. Hundreds 6 becomes 5, tens become 10. 10 - 7 = 3
- Hundreds: 5 - 2 = 3
→ Answer: 336
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Problem 6: 344 - 198
- Ones: 4 - 8 → borrow. Tens 4 becomes 3, ones become 14. 14 - 8 = 6
- Tens: 3 - 9 → borrow. Hundreds 3 becomes 2, tens become 13. 13 - 9 = 4
- Hundreds: 2 - 1 = 1
→ Answer: 146
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Problem 7: 622 + 219
- Ones: 2 + 9 = 11 → write 1, carry 1
- Tens: 2 + 1 + 1 = 4
- Hundreds: 6 + 2 = 8
→ Answer: 841
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Problem 8: 687 - 492
- Ones: 7 - 2 = 5
- Tens: 8 - 9 → borrow. Hundreds 6 becomes 5, tens become 18. 18 - 9 = 9
- Hundreds: 5 - 4 = 1
→ Answer: 195
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Problem 9: 778 + 992
- Ones: 8 + 2 = 10 → write 0, carry 1
- Tens: 7 + 9 + 1 = 17 → write 7, carry 1
- Hundreds: 7 + 9 + 1 = 17 → write 7, carry 1 → thousands: 1
→ Answer: 1770
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Problem 10: 822 + 298
- Ones: 2 + 8 = 10 → write 0, carry 1
- Tens: 2 + 9 + 1 = 12 → write 2, carry 1
- Hundreds: 8 + 2 + 1 = 11 → write 1, carry 1 → thousands: 1
→ Answer: 1120
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Problem 11: 909 + 707
- Ones: 9 + 7 = 16 → write 6, carry 1
- Tens: 0 + 0 + 1 = 1
- Hundreds: 9 + 7 = 16 → write 6, carry 1 → thousands: 1
→ Answer: 1616
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Problem 12: 444 - 298
- Ones: 4 - 8 → borrow. Tens 4 becomes 3, ones become 14. 14 - 8 = 6
- Tens: 3 - 9 → borrow. Hundreds 4 becomes 3, tens become 13. 13 - 9 = 4
- Hundreds: 3 - 2 = 1
→ Answer: 146
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Problem 13: 564 - 368
- Ones: 4 - 8 → borrow. Tens 6 becomes 5, ones become 14. 14 - 8 = 6
- Tens: 5 - 6 → borrow. Hundreds 5 becomes 4, tens become 15. 15 - 6 = 9
- Hundreds: 4 - 3 = 1
→ Answer: 196
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Problem 14: 559 + 124
- Ones: 9 + 4 = 13 → write 3, carry 1
- Tens: 5 + 2 + 1 = 8
- Hundreds: 5 + 1 = 6
→ Answer: 683
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Problem 15: 728 + 249
- Ones: 8 + 9 = 17 → write 7, carry 1
- Tens: 2 + 4 + 1 = 7
- Hundreds: 7 + 2 = 9
→ Answer: 977
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Problem 16: 272 + 299
- Ones: 2 + 9 = 11 → write 1, carry 1
- Tens: 7 + 9 + 1 = 17 → write 7, carry 1
- Hundreds: 2 + 2 + 1 = 5
→ Answer: 571
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Problem 17: 844 + 129
- Ones: 4 + 9 = 13 → write 3, carry 1
- Tens: 4 + 2 + 1 = 7
- Hundreds: 8 + 1 = 9
→ Answer: 973
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Problem 18: 901 - 707
- Ones: 1 - 7 → borrow. Tens 0 → need to borrow from hundreds first.
Hundreds 9 becomes 8, tens become 10, then borrow for ones: tens become 9, ones become 11. 11 - 7 = 4
- Tens: 9 - 0 = 9
- Hundreds: 8 - 7 = 1
→ Answer: 194
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Problem 19: 722 + 638
- Ones: 2 + 8 = 10 → write 0, carry 1
- Tens: 2 + 3 + 1 = 6
- Hundreds: 7 + 6 = 13 → write 3, carry 1 → thousands: 1
→ Answer: 1360
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Problem 20: 700 - 346
- Ones: 0 - 6 → borrow. Tens 0 → borrow from hundreds.
Hundreds 7 becomes 6, tens become 10, then borrow for ones: tens become 9, ones become 10. 10 - 6 = 4
- Tens: 9 - 4 = 5
- Hundreds: 6 - 3 = 3
→ Answer: 354
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Final Answer:
1. 536
2. 278
3. 924
4. 276
5. 336
6. 146
7. 841
8. 195
9. 1770
10. 1120
11. 1616
12. 146
13. 196
14. 683
15. 977
16. 571
17. 973
18. 194
19. 1360
20. 354
---
Problem 1: 808 - 272
Start from right to left:
- Ones: 8 - 2 = 6
- Tens: 0 - 7 → can’t do! Borrow from hundreds.
So 80 becomes 79, and tens become 10. Now 10 - 7 = 3
- Hundreds: 7 - 2 = 5
→ Answer: 536
---
Problem 2: 614 - 336
- Ones: 4 - 6 → borrow from tens.
Tens is 1 → becomes 0, ones become 14. 14 - 6 = 8
- Tens: 0 - 3 → borrow from hundreds.
Hundreds 6 becomes 5, tens become 10. 10 - 3 = 7
- Hundreds: 5 - 3 = 2
→ Answer: 278
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Problem 3: 562 + 362
- Ones: 2 + 2 = 4
- Tens: 6 + 6 = 12 → write 2, carry 1
- Hundreds: 5 + 3 + 1 (carry) = 9
→ Answer: 924
---
Problem 4: 873 - 597
- Ones: 3 - 7 → borrow. Tens 7 becomes 6, ones become 13. 13 - 7 = 6
- Tens: 6 - 9 → borrow. Hundreds 8 becomes 7, tens become 16. 16 - 9 = 7
- Hundreds: 7 - 5 = 2
→ Answer: 276
---
Problem 5: 608 - 272
- Ones: 8 - 2 = 6
- Tens: 0 - 7 → borrow. Hundreds 6 becomes 5, tens become 10. 10 - 7 = 3
- Hundreds: 5 - 2 = 3
→ Answer: 336
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Problem 6: 344 - 198
- Ones: 4 - 8 → borrow. Tens 4 becomes 3, ones become 14. 14 - 8 = 6
- Tens: 3 - 9 → borrow. Hundreds 3 becomes 2, tens become 13. 13 - 9 = 4
- Hundreds: 2 - 1 = 1
→ Answer: 146
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Problem 7: 622 + 219
- Ones: 2 + 9 = 11 → write 1, carry 1
- Tens: 2 + 1 + 1 = 4
- Hundreds: 6 + 2 = 8
→ Answer: 841
---
Problem 8: 687 - 492
- Ones: 7 - 2 = 5
- Tens: 8 - 9 → borrow. Hundreds 6 becomes 5, tens become 18. 18 - 9 = 9
- Hundreds: 5 - 4 = 1
→ Answer: 195
---
Problem 9: 778 + 992
- Ones: 8 + 2 = 10 → write 0, carry 1
- Tens: 7 + 9 + 1 = 17 → write 7, carry 1
- Hundreds: 7 + 9 + 1 = 17 → write 7, carry 1 → thousands: 1
→ Answer: 1770
---
Problem 10: 822 + 298
- Ones: 2 + 8 = 10 → write 0, carry 1
- Tens: 2 + 9 + 1 = 12 → write 2, carry 1
- Hundreds: 8 + 2 + 1 = 11 → write 1, carry 1 → thousands: 1
→ Answer: 1120
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Problem 11: 909 + 707
- Ones: 9 + 7 = 16 → write 6, carry 1
- Tens: 0 + 0 + 1 = 1
- Hundreds: 9 + 7 = 16 → write 6, carry 1 → thousands: 1
→ Answer: 1616
---
Problem 12: 444 - 298
- Ones: 4 - 8 → borrow. Tens 4 becomes 3, ones become 14. 14 - 8 = 6
- Tens: 3 - 9 → borrow. Hundreds 4 becomes 3, tens become 13. 13 - 9 = 4
- Hundreds: 3 - 2 = 1
→ Answer: 146
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Problem 13: 564 - 368
- Ones: 4 - 8 → borrow. Tens 6 becomes 5, ones become 14. 14 - 8 = 6
- Tens: 5 - 6 → borrow. Hundreds 5 becomes 4, tens become 15. 15 - 6 = 9
- Hundreds: 4 - 3 = 1
→ Answer: 196
---
Problem 14: 559 + 124
- Ones: 9 + 4 = 13 → write 3, carry 1
- Tens: 5 + 2 + 1 = 8
- Hundreds: 5 + 1 = 6
→ Answer: 683
---
Problem 15: 728 + 249
- Ones: 8 + 9 = 17 → write 7, carry 1
- Tens: 2 + 4 + 1 = 7
- Hundreds: 7 + 2 = 9
→ Answer: 977
---
Problem 16: 272 + 299
- Ones: 2 + 9 = 11 → write 1, carry 1
- Tens: 7 + 9 + 1 = 17 → write 7, carry 1
- Hundreds: 2 + 2 + 1 = 5
→ Answer: 571
---
Problem 17: 844 + 129
- Ones: 4 + 9 = 13 → write 3, carry 1
- Tens: 4 + 2 + 1 = 7
- Hundreds: 8 + 1 = 9
→ Answer: 973
---
Problem 18: 901 - 707
- Ones: 1 - 7 → borrow. Tens 0 → need to borrow from hundreds first.
Hundreds 9 becomes 8, tens become 10, then borrow for ones: tens become 9, ones become 11. 11 - 7 = 4
- Tens: 9 - 0 = 9
- Hundreds: 8 - 7 = 1
→ Answer: 194
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Problem 19: 722 + 638
- Ones: 2 + 8 = 10 → write 0, carry 1
- Tens: 2 + 3 + 1 = 6
- Hundreds: 7 + 6 = 13 → write 3, carry 1 → thousands: 1
→ Answer: 1360
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Problem 20: 700 - 346
- Ones: 0 - 6 → borrow. Tens 0 → borrow from hundreds.
Hundreds 7 becomes 6, tens become 10, then borrow for ones: tens become 9, ones become 10. 10 - 6 = 4
- Tens: 9 - 4 = 5
- Hundreds: 6 - 3 = 3
→ Answer: 354
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Final Answer:
1. 536
2. 278
3. 924
4. 276
5. 336
6. 146
7. 841
8. 195
9. 1770
10. 1120
11. 1616
12. 146
13. 196
14. 683
15. 977
16. 571
17. 973
18. 194
19. 1360
20. 354
Parent Tip: Review the logic above to help your child master the concept of addition with regrouping worksheets.
