Addition math worksheet with three-digit numbers on a grid background.
A grid-based math worksheet featuring addition problems with three-digit numbers, designed for educational practice.
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Show Answer Key & Explanations
Step-by-step solution for: 3 Digit Addition With Regrouping - Carrying - 6 Worksheets | 2nd ...
▼
Show Answer Key & Explanations
Step-by-step solution for: 3 Digit Addition With Regrouping - Carrying - 6 Worksheets | 2nd ...
Let's solve each of the addition problems in the worksheet step by step. We'll go through them one at a time, showing the addition with proper carrying where needed.
---
```
996
+ 978
-----
```
- Units: 6 + 8 = 14 → write down 4, carry over 1
- Tens: 9 + 7 = 16, plus carry 1 = 17 → write down 7, carry over 1
- Hundreds: 9 + 9 = 18, plus carry 1 = 19
So, 996 + 978 = 1974
---
```
896
+ 968
-----
```
- Units: 6 + 8 = 14 → write 4, carry 1
- Tens: 9 + 6 = 15, plus carry 1 = 16 → write 6, carry 1
- Hundreds: 8 + 9 = 17, plus carry 1 = 18
So, 896 + 968 = 1864
---
```
795
+ 998
-----
```
- Units: 5 + 8 = 13 → write 3, carry 1
- Tens: 9 + 9 = 18, plus carry 1 = 19 → write 9, carry 1
- Hundreds: 7 + 9 = 16, plus carry 1 = 17
So, 795 + 998 = 1793
---
```
598
+ 958
-----
```
- Units: 8 + 8 = 16 → write 6, carry 1
- Tens: 9 + 5 = 14, plus carry 1 = 15 → write 5, carry 1
- Hundreds: 5 + 9 = 14, plus carry 1 = 15
So, 598 + 958 = 1556
---
```
597
+ 938
-----
```
- Units: 7 + 8 = 15 → write 5, carry 1
- Tens: 9 + 3 = 12, plus carry 1 = 13 → write 3, carry 1
- Hundreds: 5 + 9 = 14, plus carry 1 = 15
So, 597 + 938 = 1535
---
```
596
+ 928
-----
```
- Units: 6 + 8 = 14 → write 4, carry 1
- Tens: 9 + 2 = 11, plus carry 1 = 12 → write 2, carry 1
- Hundreds: 5 + 9 = 14, plus carry 1 = 15
So, 596 + 928 = 1524
---
```
595
+ 968
-----
```
- Units: 5 + 8 = 13 → write 3, carry 1
- Tens: 9 + 6 = 15, plus carry 1 = 16 → write 6, carry 1
- Hundreds: 5 + 9 = 14, plus carry 1 = 15
So, 595 + 968 = 1563
---
```
594
+ 978
-----
```
- Units: 4 + 8 = 12 → write 2, carry 1
- Tens: 9 + 7 = 16, plus carry 1 = 17 → write 7, carry 1
- Hundreds: 5 + 9 = 14, plus carry 1 = 15
So, 594 + 978 = 1572
---
```
593
+ 998
-----
```
- Units: 3 + 8 = 11 → write 1, carry 1
- Tens: 9 + 9 = 18, plus carry 1 = 19 → write 9, carry 1
- Hundreds: 5 + 9 = 14, plus carry 1 = 15
So, 593 + 998 = 1591
---
```
599
+ 978
-----
```
- Units: 9 + 8 = 17 → write 7, carry 1
- Tens: 9 + 7 = 16, plus carry 1 = 17 → write 7, carry 1
- Hundreds: 5 + 9 = 14, plus carry 1 = 15
So, 599 + 978 = 1577
---
```
678
+ 543
-----
```
- Units: 8 + 3 = 11 → write 1, carry 1
- Tens: 7 + 4 = 11, plus carry 1 = 12 → write 2, carry 1
- Hundreds: 6 + 5 = 11, plus carry 1 = 12
So, 678 + 543 = 1221
---
```
876
+ 555
-----
```
- Units: 6 + 5 = 11 → write 1, carry 1
- Tens: 7 + 5 = 12, plus carry 1 = 13 → write 3, carry 1
- Hundreds: 8 + 5 = 13, plus carry 1 = 14
So, 876 + 555 = 1431
---
Here are all the solutions:
1. 996 + 978 = 1974
2. 896 + 968 = 1864
3. 795 + 998 = 1793
4. 598 + 958 = 1556
5. 597 + 938 = 1535
6. 596 + 928 = 1524
7. 595 + 968 = 1563
8. 594 + 978 = 1572
9. 593 + 998 = 1591
10. 599 + 978 = 1577
11. 678 + 543 = 1221
12. 876 + 555 = 1431
---
Let me know if you'd like this formatted as a printable answer sheet!
---
1. 996 + 978
```
996
+ 978
-----
```
- Units: 6 + 8 = 14 → write down 4, carry over 1
- Tens: 9 + 7 = 16, plus carry 1 = 17 → write down 7, carry over 1
- Hundreds: 9 + 9 = 18, plus carry 1 = 19
So, 996 + 978 = 1974
---
2. 896 + 968
```
896
+ 968
-----
```
- Units: 6 + 8 = 14 → write 4, carry 1
- Tens: 9 + 6 = 15, plus carry 1 = 16 → write 6, carry 1
- Hundreds: 8 + 9 = 17, plus carry 1 = 18
So, 896 + 968 = 1864
---
3. 795 + 998
```
795
+ 998
-----
```
- Units: 5 + 8 = 13 → write 3, carry 1
- Tens: 9 + 9 = 18, plus carry 1 = 19 → write 9, carry 1
- Hundreds: 7 + 9 = 16, plus carry 1 = 17
So, 795 + 998 = 1793
---
4. 598 + 958
```
598
+ 958
-----
```
- Units: 8 + 8 = 16 → write 6, carry 1
- Tens: 9 + 5 = 14, plus carry 1 = 15 → write 5, carry 1
- Hundreds: 5 + 9 = 14, plus carry 1 = 15
So, 598 + 958 = 1556
---
5. 597 + 938
```
597
+ 938
-----
```
- Units: 7 + 8 = 15 → write 5, carry 1
- Tens: 9 + 3 = 12, plus carry 1 = 13 → write 3, carry 1
- Hundreds: 5 + 9 = 14, plus carry 1 = 15
So, 597 + 938 = 1535
---
6. 596 + 928
```
596
+ 928
-----
```
- Units: 6 + 8 = 14 → write 4, carry 1
- Tens: 9 + 2 = 11, plus carry 1 = 12 → write 2, carry 1
- Hundreds: 5 + 9 = 14, plus carry 1 = 15
So, 596 + 928 = 1524
---
7. 595 + 968
```
595
+ 968
-----
```
- Units: 5 + 8 = 13 → write 3, carry 1
- Tens: 9 + 6 = 15, plus carry 1 = 16 → write 6, carry 1
- Hundreds: 5 + 9 = 14, plus carry 1 = 15
So, 595 + 968 = 1563
---
8. 594 + 978
```
594
+ 978
-----
```
- Units: 4 + 8 = 12 → write 2, carry 1
- Tens: 9 + 7 = 16, plus carry 1 = 17 → write 7, carry 1
- Hundreds: 5 + 9 = 14, plus carry 1 = 15
So, 594 + 978 = 1572
---
9. 593 + 998
```
593
+ 998
-----
```
- Units: 3 + 8 = 11 → write 1, carry 1
- Tens: 9 + 9 = 18, plus carry 1 = 19 → write 9, carry 1
- Hundreds: 5 + 9 = 14, plus carry 1 = 15
So, 593 + 998 = 1591
---
10. 599 + 978
```
599
+ 978
-----
```
- Units: 9 + 8 = 17 → write 7, carry 1
- Tens: 9 + 7 = 16, plus carry 1 = 17 → write 7, carry 1
- Hundreds: 5 + 9 = 14, plus carry 1 = 15
So, 599 + 978 = 1577
---
11. 678 + 543
```
678
+ 543
-----
```
- Units: 8 + 3 = 11 → write 1, carry 1
- Tens: 7 + 4 = 11, plus carry 1 = 12 → write 2, carry 1
- Hundreds: 6 + 5 = 11, plus carry 1 = 12
So, 678 + 543 = 1221
---
12. 876 + 555
```
876
+ 555
-----
```
- Units: 6 + 5 = 11 → write 1, carry 1
- Tens: 7 + 5 = 12, plus carry 1 = 13 → write 3, carry 1
- Hundreds: 8 + 5 = 13, plus carry 1 = 14
So, 876 + 555 = 1431
---
✔ Final Answers:
Here are all the solutions:
1. 996 + 978 = 1974
2. 896 + 968 = 1864
3. 795 + 998 = 1793
4. 598 + 958 = 1556
5. 597 + 938 = 1535
6. 596 + 928 = 1524
7. 595 + 968 = 1563
8. 594 + 978 = 1572
9. 593 + 998 = 1591
10. 599 + 978 = 1577
11. 678 + 543 = 1221
12. 876 + 555 = 1431
---
Let me know if you'd like this formatted as a printable answer sheet!
Parent Tip: Review the logic above to help your child master the concept of hard addition worksheet.
