Advanced 3-Digit Addition – Free Math Exercises

Ready for big numbers? Our 3-digit addition worksheets strengthen mental math and problem-solving. Great for students aiming for excellence!

1) 977 + 715 =

2) 369 + 266 =

3) 845 + 958 =

4) 265 + 640 =

5) 554 + 934 =

6) 987 + 552 =

7) 762 + 593 =

8) 917 + 357 =

9) 885 + 437 =

10) 906 + 756 =

11) 167 + 504 =

12) 857 + 766 =

13) 962 + 861 =

14) 638 + 523 =

15) 328 + 517 =

16) 318 + 657 =

17) 241 + 378 =

18) 179 + 535 =

19) 302 + 189 =

20) 868 + 170 =

21) 955 + 134 =

22) 549 + 429 =

23) 958 + 476 =

24) 211 + 854 =

25) 864 + 920 =

26) 122 + 426 =

27) 691 + 487 =

28) 601 + 281 =

29) 968 + 579 =

30) 442 + 466 =

To view the results click on the "Show results" button.
To print the exercise sheet click on the "Print" button.
To generate a new exercise sheet click on the "Generate new worksheet" button.

Find also

Master Addition – Free Math Practice Worksheets & Exercises

All Advanced 3-Digit Addition – Free Math Exercises and worksheets are completely free to use and reuse. These resources are designed to enhance math skills and mastery of Advanced 3-Digit Addition – Free Math Exercises concepts. Perfect for students, teachers, and parents, these free worksheets support effective learning and continuous practice in mathematics.