Let's solve each of the
column addition problems step by step. We'll add the numbers vertically, starting from the rightmost digit (ones place), then moving to tens and hundreds, carrying over when necessary.
---
1. 785 + 294
```
785
+ 294
-----
```
-
Ones: 5 + 4 = 9
-
Tens: 8 + 9 = 17 → write 7, carry 1
-
Hundreds: 7 + 2 + 1 (carry) = 10
✔ Answer: 1079
---
2. 846 + 934
```
846
+ 934
-----
```
-
Ones: 6 + 4 = 10 → write 0, carry 1
-
Tens: 4 + 3 + 1 = 8
-
Hundreds: 8 + 9 = 17
✔ Answer: 1780
---
3. 773 + 869
```
773
+ 869
-----
```
-
Ones: 3 + 9 = 12 → write 2, carry 1
-
Tens: 7 + 6 + 1 = 14 → write 4, carry 1
-
Hundreds: 7 + 8 + 1 = 16
✔ Answer: 1642
---
4. 226 + 475
```
226
+ 475
-----
```
-
Ones: 6 + 5 = 11 → write 1, carry 1
-
Tens: 2 + 7 + 1 = 10 → write 0, carry 1
-
Hundreds: 2 + 4 + 1 = 7
✔ Answer: 701
---
5. 748 + 663
```
748
+ 663
-----
```
-
Ones: 8 + 3 = 11 → write 1, carry 1
-
Tens: 4 + 6 + 1 = 11 → write 1, carry 1
-
Hundreds: 7 + 6 + 1 = 14
✔ Answer: 1411
---
6. 844 + 578
```
844
+ 578
-----
```
-
Ones: 4 + 8 = 12 → write 2, carry 1
-
Tens: 4 + 7 + 1 = 12 → write 2, carry 1
-
Hundreds: 8 + 5 + 1 = 14
✔ Answer: 1422
---
7. 364 + 298
```
364
+ 298
-----
```
-
Ones: 4 + 8 = 12 → write 2, carry 1
-
Tens: 6 + 9 + 1 = 16 → write 6, carry 1
-
Hundreds: 3 + 2 + 1 = 6
✔ Answer: 662
---
8. 668 + 749
```
668
+ 749
-----
```
-
Ones: 8 + 9 = 17 → write 7, carry 1
-
Tens: 6 + 4 + 1 = 11 → write 1, carry 1
-
Hundreds: 6 + 7 + 1 = 14
✔ Answer: 1417
---
9. 363 + 497
```
363
+ 497
-----
```
-
Ones: 3 + 7 = 10 → write 0, carry 1
-
Tens: 6 + 9 + 1 = 16 → write 6, carry 1
-
Hundreds: 3 + 4 + 1 = 8
✔ Answer: 860
---
10. 463 + 927
```
463
+ 927
-----
```
-
Ones: 3 + 7 = 10 → write 0, carry 1
-
Tens: 6 + 2 + 1 = 9
-
Hundreds: 4 + 9 = 13
✔ Answer: 1390
---
11. 775 + 328
```
775
+ 328
-----
```
-
Ones: 5 + 8 = 13 → write 3, carry 1
-
Tens: 7 + 2 + 1 = 10 → write 0, carry 1
-
Hundreds: 7 + 3 + 1 = 11
✔ Answer: 1103
---
12. 264 + 359
```
264
+ 359
-----
```
-
Ones: 4 + 9 = 13 → write 3, carry 1
-
Tens: 6 + 5 + 1 = 12 → write 2, carry 1
-
Hundreds: 2 + 3 + 1 = 6
✔ Answer: 623
---
✔ Final Answers:
1.
1079
2.
1780
3.
1642
4.
701
5.
1411
6.
1422
7.
662
8.
1417
9.
860
10.
1390
11.
1103
12.
623
---
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 addition worksheet 4th.
