Let's solve each of the addition problems in the worksheet step by step. These are all
two-digit addition problems, and we’ll add the numbers column by column (ones place first, then tens place), carrying over when necessary.
---
1. 29 + 81
```
29
+81
---
110
```
- 9 + 1 = 10 → write 0, carry 1
- 2 + 8 + 1 = 11
→
110
---
2. 48 + 15
```
48
+15
---
63
```
- 8 + 5 = 13 → write 3, carry 1
- 4 + 1 + 1 = 6
→
63
---
3. 16 + 70
```
16
+70
---
86
```
- 6 + 0 = 6
- 1 + 7 = 8
→
86
---
4. 37 + 49
```
37
+49
---
86
```
- 7 + 9 = 16 → write 6, carry 1
- 3 + 4 + 1 = 8
→
86
---
5. 56 + 27
```
56
+27
---
83
```
- 6 + 7 = 13 → write 3, carry 1
- 5 + 2 + 1 = 8
→
83
---
6. 45 + 25
```
45
+25
---
70
```
- 5 + 5 = 10 → write 0, carry 1
- 4 + 2 + 1 = 7
→
70
---
7. 22 + 66
```
22
+66
---
88
```
- 2 + 6 = 8
- 2 + 6 = 8
→
88
---
8. 43 + 18
```
43
+18
---
61
```
- 3 + 8 = 11 → write 1, carry 1
- 4 + 1 + 1 = 6
→
61
---
9. 37 + 68
```
37
+68
---
105
```
- 7 + 8 = 15 → write 5, carry 1
- 3 + 6 + 1 = 10
→
105
---
10. 52 + 19
```
52
+19
---
71
```
- 2 + 9 = 11 → write 1, carry 1
- 5 + 1 + 1 = 7
→
71
---
11. 71 + 13
```
71
+13
---
84
```
- 1 + 3 = 4
- 7 + 1 = 8
→
84
---
12. 24 + 31
```
24
+31
---
55
```
- 4 + 1 = 5
- 2 + 3 = 5
→
55
---
13. 36 + 36
```
36
+36
---
72
```
- 6 + 6 = 12 → write 2, carry 1
- 3 + 3 + 1 = 7
→
72
---
14. 17 + 62
```
17
+62
---
79
```
- 7 + 2 = 9
- 1 + 6 = 7
→
79
---
15. 43 + 48
```
43
+48
---
91
```
- 3 + 8 = 11 → write 1, carry 1
- 4 + 4 + 1 = 9
→
91
---
16. 85 + 12
```
85
+12
---
97
```
- 5 + 2 = 7
- 8 + 1 = 9
→
97
---
17. 87 + 18
```
87
+18
---
105
```
- 7 + 8 = 15 → write 5, carry 1
- 8 + 1 + 1 = 10
→
105
---
18. 29 + 36
```
29
+36
---
65
```
- 9 + 6 = 15 → write 5, carry 1
- 2 + 3 + 1 = 6
→
65
---
19. 12 + 43
```
12
+43
---
55
```
- 2 + 3 = 5
- 1 + 4 = 5
→
55
---
20. 14 + 59
```
14
+59
---
73
```
- 4 + 9 = 13 → write 3, carry 1
- 1 + 5 + 1 = 7
→
73
---
✔ Final Answers:
1.
110
2.
63
3.
86
4.
86
5.
83
6.
70
7.
88
8.
61
9.
105
10.
71
11.
84
12.
55
13.
72
14.
79
15.
91
16.
97
17.
105
18.
65
19.
55
20.
73
---
✔ All solved! You can now fill these into the worksheet. Let me know if you'd like a printable version or explanation for any specific problem!
Parent Tip: Review the logic above to help your child master the concept of addition worksheet class 2.
