Let's solve each of the addition problems in the worksheet step by step. We'll add the numbers in columns, carrying over when necessary.
---
1. 28 + 72
```
28
+72
----
100
```
Answer: 100
---
2. 85 + 64
```
85
+ 64
----
149
```
Answer: 149
---
3. 59 + 27
```
59
+ 27
----
86
```
Answer: 86
---
4. 76 + 19
```
76
+ 19
----
95
```
Answer: 95
---
5. 55 + 63
```
55
+ 63
----
118
```
Answer: 118
---
6. 86 + 37
```
86
+ 37
----
123
```
Answer: 123
---
7. 34 + 48
```
34
+ 48
----
82
```
Answer: 82
---
8. 53 + 37
```
53
+ 37
----
90
```
Answer: 90
---
9. 472 + 95
```
472
+ 95
-----
567
```
Answer: 567
---
10. 874 + 86
```
874
+ 86
-----
960
```
Answer: 960
---
11. 816 + 27
```
816
+ 27
-----
843
```
Answer: 843
---
12. 954 + 88
```
954
+ 88
-----
1042
```
Answer: 1042
---
13. 419 + 53
```
419
+ 53
-----
472
```
Answer: 472
---
14. 387 + 77
```
387
+ 77
-----
464
```
Answer: 464
---
15. 749 + 68
```
749
+ 68
-----
817
```
Answer: 817
---
16. 631 + 58
```
631
+ 58
-----
689
```
Answer: 689
---
17. 342 + 246
```
342
+ 246
-----
588
```
Answer: 588
---
18. 659 + 912
```
659
+ 912
-----
1571
```
Answer: 1571
---
19. 745 + 619
```
745
+ 619
-----
1364
```
Answer: 1364
---
20. 272 + 961
```
272
+ 961
-----
1233
```
Answer: 1233
---
✔ Final Answers:
1. 100
2. 149
3. 86
4. 95
5. 118
6. 123
7. 82
8. 90
9. 567
10. 960
11. 843
12. 1042
13. 472
14. 464
15. 817
16. 689
17. 588
18. 1571
19. 1364
20. 1233
---
✔ All problems solved! 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 worksheets for 4 graders.
