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) 584 + 188 =

2) 455 + 990 =

3) 496 + 770 =

4) 582 + 601 =

5) 174 + 296 =

6) 182 + 965 =

7) 471 + 927 =

8) 314 + 969 =

9) 116 + 712 =

10) 919 + 698 =

11) 139 + 860 =

12) 755 + 652 =

13) 216 + 233 =

14) 385 + 733 =

15) 199 + 261 =

16) 440 + 457 =

17) 213 + 371 =

18) 485 + 417 =

19) 862 + 337 =

20) 459 + 869 =

21) 775 + 747 =

22) 549 + 170 =

23) 165 + 131 =

24) 233 + 339 =

25) 211 + 992 =

26) 470 + 120 =

27) 437 + 577 =

28) 487 + 696 =

29) 440 + 287 =

30) 902 + 251 =

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.