Four-digit addition practice worksheet with and without regrouping.
A worksheet featuring 12 addition problems with four-digit numbers, including examples with and without regrouping, accompanied by a small cartoon girl illustration.
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Show Answer Key & Explanations
Step-by-step solution for: Addition With and Without Regrouping Worksheets - 4 digits
▼
Show Answer Key & Explanations
Step-by-step solution for: Addition With and Without Regrouping Worksheets - 4 digits
Let's solve each of the 4-digit addition problems on your worksheet. I'll go through them one by one, showing the steps and explaining whether regrouping (carrying) is needed.
---
```
7,230
+ 3,594
-------
```
- Ones: 0 + 4 = 4
- Tens: 3 + 9 = 12 → write 2, carry 1
- Hundreds: 2 + 5 = 7, plus carry 1 = 8
- Thousands: 7 + 3 = 10
Answer: 10,824
✔ Regrouping used in tens and thousands.
---
```
3,547
+ 4,663
-------
```
- Ones: 7 + 3 = 10 → write 0, carry 1
- Tens: 4 + 6 = 10, plus carry 1 = 11 → write 1, carry 1
- Hundreds: 5 + 6 = 11, plus carry 1 = 12 → write 2, carry 1
- Thousands: 3 + 4 = 7, plus carry 1 = 8
Answer: 8,210
✔ Regrouping used in all columns except thousands.
---
```
5,070
+ 3,621
-------
```
- Ones: 0 + 1 = 1
- Tens: 7 + 2 = 9
- Hundreds: 0 + 6 = 6
- Thousands: 5 + 3 = 8
Answer: 8,691
✘ No regrouping needed.
---
```
2,402
+ 3,274
-------
```
- Ones: 2 + 4 = 6
- Tens: 0 + 7 = 7
- Hundreds: 4 + 2 = 6
- Thousands: 2 + 3 = 5
Answer: 5,676
✘ No regrouping.
---
```
1,326
+ 3,760
-------
```
- Ones: 6 + 0 = 6
- Tens: 2 + 6 = 8
- Hundreds: 3 + 7 = 10 → write 0, carry 1
- Thousands: 1 + 3 = 4, plus carry 1 = 5
Answer: 5,086
✔ Regrouping in hundreds.
---
```
2,970
+ 1,752
-------
```
- Ones: 0 + 2 = 2
- Tens: 7 + 5 = 12 → write 2, carry 1
- Hundreds: 9 + 7 = 16, plus carry 1 = 17 → write 7, carry 1
- Thousands: 2 + 1 = 3, plus carry 1 = 4
Answer: 4,722
✔ Regrouping in tens and hundreds.
---
```
5,024
+ 3,273
-------
```
- Ones: 4 + 3 = 7
- Tens: 2 + 7 = 9
- Hundreds: 0 + 2 = 2
- Thousands: 5 + 3 = 8
Answer: 8,297
✘ No regrouping.
---
```
3,029
+ 2,180
-------
```
- Ones: 9 + 0 = 9
- Tens: 2 + 8 = 10 → write 0, carry 1
- Hundreds: 0 + 1 = 1, plus carry 1 = 2
- Thousands: 3 + 2 = 5
Answer: 5,209
✔ Regrouping in tens.
---
```
6,059
+ 4,780
-------
```
- Ones: 9 + 0 = 9
- Tens: 5 + 8 = 13 → write 3, carry 1
- Hundreds: 0 + 7 = 7, plus carry 1 = 8
- Thousands: 6 + 4 = 10
Answer: 10,839
✔ Regrouping in tens and thousands.
---
```
1,704
+ 3,306
-------
```
- Ones: 4 + 6 = 10 → write 0, carry 1
- Tens: 0 + 0 = 0, plus carry 1 = 1
- Hundreds: 7 + 3 = 10 → write 0, carry 1
- Thousands: 1 + 3 = 4, plus carry 1 = 5
Answer: 5,010
✔ Regrouping in ones, hundreds, and thousands.
---
```
5,248
+ 2,320
-------
```
- Ones: 8 + 0 = 8
- Tens: 4 + 2 = 6
- Hundreds: 2 + 3 = 5
- Thousands: 5 + 2 = 7
Answer: 7,568
✘ No regrouping.
---
```
1,805
+ 6,012
-------
```
- Ones: 5 + 2 = 7
- Tens: 0 + 1 = 1
- Hundreds: 8 + 0 = 8
- Thousands: 1 + 6 = 7
Answer: 7,817
✘ No regrouping.
---
```
4,387
+ 4,910
-------
```
- Ones: 7 + 0 = 7
- Tens: 8 + 1 = 9
- Hundreds: 3 + 9 = 12 → write 2, carry 1
- Thousands: 4 + 4 = 8, plus carry 1 = 9
Answer: 9,297
✔ Regrouping in hundreds.
---
```
3,280
+ 4,860
-------
```
- Ones: 0 + 0 = 0
- Tens: 8 + 6 = 14 → write 4, carry 1
- Hundreds: 2 + 8 = 10, plus carry 1 = 11 → write 1, carry 1
- Thousands: 3 + 4 = 7, plus carry 1 = 8
Answer: 8,140
✔ Regrouping in tens and hundreds.
---
| Problem | Answer |
|--------|--------|
| 1 | 10,824 |
| 2 | 8,210 |
| 3 | 8,691 |
| 4 | 5,676 |
| 5 | 5,086 |
| 6 | 4,722 |
| 7 | 8,297 |
| 8 | 5,209 |
| 9 | 10,839 |
| 10 | 5,010 |
| 11 | 7,568 |
| 12 | 7,817 |
| 13 | 9,297 |
| 14 | 8,140 |
---
- Some problems require regrouping (carrying), especially when adding digits that sum to 10 or more.
- Always start from the right (ones place) and move left.
- Remember to carry over any extra digit to the next column.
Let me know if you'd like a printable version or a step-by-step video explanation!
---
1. 7,230 + 3,594
```
7,230
+ 3,594
-------
```
- Ones: 0 + 4 = 4
- Tens: 3 + 9 = 12 → write 2, carry 1
- Hundreds: 2 + 5 = 7, plus carry 1 = 8
- Thousands: 7 + 3 = 10
Answer: 10,824
✔ Regrouping used in tens and thousands.
---
2. 3,547 + 4,663
```
3,547
+ 4,663
-------
```
- Ones: 7 + 3 = 10 → write 0, carry 1
- Tens: 4 + 6 = 10, plus carry 1 = 11 → write 1, carry 1
- Hundreds: 5 + 6 = 11, plus carry 1 = 12 → write 2, carry 1
- Thousands: 3 + 4 = 7, plus carry 1 = 8
Answer: 8,210
✔ Regrouping used in all columns except thousands.
---
3. 5,070 + 3,621
```
5,070
+ 3,621
-------
```
- Ones: 0 + 1 = 1
- Tens: 7 + 2 = 9
- Hundreds: 0 + 6 = 6
- Thousands: 5 + 3 = 8
Answer: 8,691
✘ No regrouping needed.
---
4. 2,402 + 3,274
```
2,402
+ 3,274
-------
```
- Ones: 2 + 4 = 6
- Tens: 0 + 7 = 7
- Hundreds: 4 + 2 = 6
- Thousands: 2 + 3 = 5
Answer: 5,676
✘ No regrouping.
---
5. 1,326 + 3,760
```
1,326
+ 3,760
-------
```
- Ones: 6 + 0 = 6
- Tens: 2 + 6 = 8
- Hundreds: 3 + 7 = 10 → write 0, carry 1
- Thousands: 1 + 3 = 4, plus carry 1 = 5
Answer: 5,086
✔ Regrouping in hundreds.
---
6. 2,970 + 1,752
```
2,970
+ 1,752
-------
```
- Ones: 0 + 2 = 2
- Tens: 7 + 5 = 12 → write 2, carry 1
- Hundreds: 9 + 7 = 16, plus carry 1 = 17 → write 7, carry 1
- Thousands: 2 + 1 = 3, plus carry 1 = 4
Answer: 4,722
✔ Regrouping in tens and hundreds.
---
7. 5,024 + 3,273
```
5,024
+ 3,273
-------
```
- Ones: 4 + 3 = 7
- Tens: 2 + 7 = 9
- Hundreds: 0 + 2 = 2
- Thousands: 5 + 3 = 8
Answer: 8,297
✘ No regrouping.
---
8. 3,029 + 2,180
```
3,029
+ 2,180
-------
```
- Ones: 9 + 0 = 9
- Tens: 2 + 8 = 10 → write 0, carry 1
- Hundreds: 0 + 1 = 1, plus carry 1 = 2
- Thousands: 3 + 2 = 5
Answer: 5,209
✔ Regrouping in tens.
---
9. 6,059 + 4,780
```
6,059
+ 4,780
-------
```
- Ones: 9 + 0 = 9
- Tens: 5 + 8 = 13 → write 3, carry 1
- Hundreds: 0 + 7 = 7, plus carry 1 = 8
- Thousands: 6 + 4 = 10
Answer: 10,839
✔ Regrouping in tens and thousands.
---
10. 1,704 + 3,306
```
1,704
+ 3,306
-------
```
- Ones: 4 + 6 = 10 → write 0, carry 1
- Tens: 0 + 0 = 0, plus carry 1 = 1
- Hundreds: 7 + 3 = 10 → write 0, carry 1
- Thousands: 1 + 3 = 4, plus carry 1 = 5
Answer: 5,010
✔ Regrouping in ones, hundreds, and thousands.
---
11. 5,248 + 2,320
```
5,248
+ 2,320
-------
```
- Ones: 8 + 0 = 8
- Tens: 4 + 2 = 6
- Hundreds: 2 + 3 = 5
- Thousands: 5 + 2 = 7
Answer: 7,568
✘ No regrouping.
---
12. 1,805 + 6,012
```
1,805
+ 6,012
-------
```
- Ones: 5 + 2 = 7
- Tens: 0 + 1 = 1
- Hundreds: 8 + 0 = 8
- Thousands: 1 + 6 = 7
Answer: 7,817
✘ No regrouping.
---
13. 4,387 + 4,910
```
4,387
+ 4,910
-------
```
- Ones: 7 + 0 = 7
- Tens: 8 + 1 = 9
- Hundreds: 3 + 9 = 12 → write 2, carry 1
- Thousands: 4 + 4 = 8, plus carry 1 = 9
Answer: 9,297
✔ Regrouping in hundreds.
---
14. 3,280 + 4,860
```
3,280
+ 4,860
-------
```
- Ones: 0 + 0 = 0
- Tens: 8 + 6 = 14 → write 4, carry 1
- Hundreds: 2 + 8 = 10, plus carry 1 = 11 → write 1, carry 1
- Thousands: 3 + 4 = 7, plus carry 1 = 8
Answer: 8,140
✔ Regrouping in tens and hundreds.
---
✔ Final Answers:
| Problem | Answer |
|--------|--------|
| 1 | 10,824 |
| 2 | 8,210 |
| 3 | 8,691 |
| 4 | 5,676 |
| 5 | 5,086 |
| 6 | 4,722 |
| 7 | 8,297 |
| 8 | 5,209 |
| 9 | 10,839 |
| 10 | 5,010 |
| 11 | 7,568 |
| 12 | 7,817 |
| 13 | 9,297 |
| 14 | 8,140 |
---
🔍 Summary:
- Some problems require regrouping (carrying), especially when adding digits that sum to 10 or more.
- Always start from the right (ones place) and move left.
- Remember to carry over any extra digit to the next column.
Let me know if you'd like a printable version or a step-by-step video explanation!
Parent Tip: Review the logic above to help your child master the concept of addition without regrouping worksheet for grade 4.
