Horizontally Arranged Three-Digit Plus Two-Digit Addition (50 ... - Free Printable

Let's solve each of the addition problems in the worksheet step by step. This is a 3-digit plus 2-digit addition exercise, so we'll add each pair carefully, paying attention to carrying over when needed.

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✔ Left Column:

1. 352 + 55
= 352 + 50 + 5 = 402 + 5 = 407

2. 225 + 69
= 225 + 60 + 9 = 285 + 9 = 294

3. 911 + 94
= 911 + 90 + 4 = 1001 + 4 = 1005

4. 459 + 95
= 459 + 90 + 5 = 549 + 5 = 554

5. 190 + 89
= 190 + 80 + 9 = 270 + 9 = 279

6. 537 + 54
= 537 + 50 + 4 = 587 + 4 = 591

7. 135 + 22
= 135 + 20 + 2 = 155 + 2 = 157

8. 661 + 77
= 661 + 70 + 7 = 731 + 7 = 738

9. 124 + 40
= 124 + 40 = 164

10. 368 + 62
= 368 + 60 + 2 = 428 + 2 = 430

11. 586 + 23
= 586 + 20 + 3 = 606 + 3 = 609

12. 251 + 56
= 251 + 50 + 6 = 301 + 6 = 307

13. 792 + 91
= 792 + 90 + 1 = 882 + 1 = 883

14. 623 + 34
= 623 + 30 + 4 = 653 + 4 = 657

15. 187 + 33
= 187 + 30 + 3 = 217 + 3 = 220

16. 363 + 47
= 363 + 40 + 7 = 403 + 7 = 410

17. 277 + 56
= 277 + 50 + 6 = 327 + 6 = 333

18. 167 + 54
= 167 + 50 + 4 = 217 + 4 = 221

19. 780 + 89
= 780 + 80 + 9 = 860 + 9 = 869

20. 775 + 56
= 775 + 50 + 6 = 825 + 6 = 831

21. 539 + 88
= 539 + 80 + 8 = 619 + 8 = 627

22. 901 + 62
= 901 + 60 + 2 = 961 + 2 = 963

23. 669 + 94
= 669 + 90 + 4 = 759 + 4 = 763

24. 187 + 27
= 187 + 20 + 7 = 207 + 7 = 214

25. 154 + 89
= 154 + 80 + 9 = 234 + 9 = 243

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✔ Right Column:

1. 908 + 40
= 908 + 40 = 948

2. 974 + 48
= 974 + 40 + 8 = 1014 + 8 = 1022

3. 397 + 58
= 397 + 50 + 8 = 447 + 8 = 455

4. 605 + 13
= 605 + 10 + 3 = 615 + 3 = 618

5. 879 + 24
= 879 + 20 + 4 = 899 + 4 = 903

6. 928 + 51
= 928 + 50 + 1 = 978 + 1 = 979

7. 866 + 12
= 866 + 10 + 2 = 876 + 2 = 878

8. 631 + 79
= 631 + 70 + 9 = 701 + 9 = 710

9. 939 + 12
= 939 + 10 + 2 = 949 + 2 = 951

10. 611 + 87
= 611 + 80 + 7 = 691 + 7 = 698

11. 351 + 63
= 351 + 60 + 3 = 411 + 3 = 414

12. 729 + 78
= 729 + 70 + 8 = 799 + 8 = 807

13. 631 + 34
= 631 + 30 + 4 = 661 + 4 = 665

14. 251 + 18
= 251 + 10 + 8 = 261 + 8 = 269

15. 579 + 48
= 579 + 40 + 8 = 619 + 8 = 627

16. 295 + 16
= 295 + 10 + 6 = 305 + 6 = 311

17. 246 + 32
= 246 + 30 + 2 = 276 + 2 = 278

18. 176 + 46
= 176 + 40 + 6 = 216 + 6 = 222

19. 864 + 51
= 864 + 50 + 1 = 914 + 1 = 915

20. 250 + 57
= 250 + 50 + 7 = 300 + 7 = 307

21. 947 + 28
= 947 + 20 + 8 = 967 + 8 = 975

22. 515 + 34
= 515 + 30 + 4 = 545 + 4 = 549

23. 860 + 77
= 860 + 70 + 7 = 930 + 7 = 937

24. 846 + 35
= 846 + 30 + 5 = 876 + 5 = 881

25. 957 + 30
= 957 + 30 = 987

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✔ Final Answer Key:

#### Left Column:
1. 407
2. 294
3. 1005
4. 554
5. 279
6. 591
7. 157
8. 738
9. 164
10. 430
11. 609
12. 307
13. 883
14. 657
15. 220
16. 410
17. 333
18. 221
19. 869
20. 831
21. 627
22. 963
23. 763
24. 214
25. 243

#### Right Column:
1. 948
2. 1022
3. 455
4. 618
5. 903
6. 979
7. 878
8. 710
9. 951
10. 698
11. 414
12. 807
13. 665
14. 269
15. 627
16. 311
17. 278
18. 222
19. 915
20. 307
21. 975
22. 549
23. 937
24. 881
25. 987

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✔ All answers are calculated correctly. You can now fill them into the worksheet!

Let me know if you'd like this formatted as a printable answer sheet or need help with checking any specific problem.