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) 854 + 156 =

2) 881 + 878 =

3) 558 + 938 =

4) 525 + 958 =

5) 697 + 182 =

6) 917 + 408 =

7) 264 + 992 =

8) 374 + 886 =

9) 361 + 621 =

10) 709 + 396 =

11) 501 + 607 =

12) 270 + 814 =

13) 988 + 939 =

14) 583 + 592 =

15) 820 + 612 =

16) 907 + 328 =

17) 952 + 221 =

18) 486 + 129 =

19) 938 + 948 =

20) 337 + 983 =

21) 106 + 516 =

22) 478 + 683 =

23) 619 + 760 =

24) 176 + 511 =

25) 971 + 507 =

26) 497 + 856 =

27) 819 + 657 =

28) 287 + 705 =

29) 309 + 250 =

30) 271 + 196 =

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.