Let's solve each of the addition problems with regrouping step by step. The worksheet contains 12 two-digit addition problems that require carrying (regrouping) when the sum of digits in a column exceeds 9.
---
Problem 1: 59 + 25
```
59
+25
---
```
- Add ones: 9 + 5 = 14 → write down 4, carry over 1
- Add tens: 5 + 2 + 1 (carry) = 8
-
Answer: 84
---
Problem 2: 49 + 45
```
49
+45
---
```
- Ones: 9 + 5 = 14 → write 4, carry 1
- Tens: 4 + 4 + 1 = 9
-
Answer: 94
---
Problem 3: 28 + 64
```
28
+64
---
```
- Ones: 8 + 4 = 12 → write 2, carry 1
- Tens: 2 + 6 + 1 = 9
-
Answer: 92
---
Problem 4: 57 + 16
```
57
+16
---
```
- Ones: 7 + 6 = 13 → write 3, carry 1
- Tens: 5 + 1 + 1 = 7
-
Answer: 73
---
Problem 5: 16 + 78
```
16
+78
---
```
- Ones: 6 + 8 = 14 → write 4, carry 1
- Tens: 1 + 7 + 1 = 9
-
Answer: 94
---
Problem 6: 46 + 24
```
46
+24
---
```
- Ones: 6 + 4 = 10 → write 0, carry 1
- Tens: 4 + 2 + 1 = 7
-
Answer: 70
---
Problem 7: 27 + 43
```
27
+43
---
```
- Ones: 7 + 3 = 10 → write 0, carry 1
- Tens: 2 + 4 + 1 = 7
-
Answer: 70
---
Problem 8: 59 + 32
```
59
+32
---
```
- Ones: 9 + 2 = 11 → write 1, carry 1
- Tens: 5 + 3 + 1 = 9
-
Answer: 91
---
Problem 9: 47 + 49
```
47
+49
---
```
- Ones: 7 + 9 = 16 → write 6, carry 1
- Tens: 4 + 4 + 1 = 9
-
Answer: 96
---
Problem 10: 34 + 27
```
34
+27
---
```
- Ones: 4 + 7 = 11 → write 1, carry 1
- Tens: 3 + 2 + 1 = 6
-
Answer: 61
---
Problem 11: 64 + 26
```
64
+26
---
```
- Ones: 4 + 6 = 10 → write 0, carry 1
- Tens: 6 + 2 + 1 = 9
-
Answer: 90
---
Problem 12: 54 + 29
```
54
+29
---
```
- Ones: 4 + 9 = 13 → write 3, carry 1
- Tens: 5 + 2 + 1 = 8
-
Answer: 83
---
Final Answers:
1. 59 + 25 =
84
2. 49 + 45 =
94
3. 28 + 64 =
92
4. 57 + 16 =
73
5. 16 + 78 =
94
6. 46 + 24 =
70
7. 27 + 43 =
70
8. 59 + 32 =
91
9. 47 + 49 =
96
10. 34 + 27 =
61
11. 64 + 26 =
90
12. 54 + 29 =
83
---
✔ All problems solved with proper regrouping.
You can now fill in the answers on the worksheet! 🌞🎈
Parent Tip: Review the logic above to help your child master the concept of two digit addition with regrouping worksheets.
