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) 525 + 980 =

2) 541 + 587 =

3) 271 + 825 =

4) 845 + 336 =

5) 101 + 308 =

6) 995 + 837 =

7) 970 + 899 =

8) 375 + 866 =

9) 610 + 910 =

10) 899 + 549 =

11) 289 + 411 =

12) 859 + 972 =

13) 437 + 718 =

14) 639 + 657 =

15) 698 + 295 =

16) 950 + 260 =

17) 563 + 456 =

18) 695 + 389 =

19) 348 + 534 =

20) 603 + 237 =

21) 677 + 761 =

22) 423 + 276 =

23) 245 + 365 =

24) 883 + 547 =

25) 384 + 676 =

26) 855 + 197 =

27) 101 + 883 =

28) 149 + 572 =

29) 272 + 970 =

30) 711 + 719 =

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.