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) 389 + 226 =

2) 555 + 382 =

3) 732 + 888 =

4) 691 + 904 =

5) 976 + 689 =

6) 263 + 908 =

7) 844 + 247 =

8) 158 + 467 =

9) 469 + 438 =

10) 804 + 359 =

11) 103 + 573 =

12) 740 + 391 =

13) 494 + 559 =

14) 768 + 831 =

15) 692 + 411 =

16) 591 + 516 =

17) 733 + 902 =

18) 323 + 967 =

19) 986 + 220 =

20) 495 + 947 =

21) 460 + 853 =

22) 480 + 341 =

23) 528 + 652 =

24) 691 + 583 =

25) 133 + 704 =

26) 643 + 837 =

27) 441 + 755 =

28) 129 + 373 =

29) 544 + 424 =

30) 834 + 492 =

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.