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) 232 + 482 =

2) 129 + 801 =

3) 317 + 921 =

4) 677 + 636 =

5) 159 + 925 =

6) 114 + 735 =

7) 251 + 164 =

8) 846 + 487 =

9) 282 + 623 =

10) 694 + 572 =

11) 249 + 874 =

12) 839 + 390 =

13) 456 + 774 =

14) 472 + 122 =

15) 619 + 503 =

16) 592 + 814 =

17) 773 + 478 =

18) 543 + 570 =

19) 720 + 884 =

20) 985 + 219 =

21) 562 + 230 =

22) 454 + 123 =

23) 201 + 596 =

24) 174 + 836 =

25) 242 + 201 =

26) 823 + 290 =

27) 568 + 835 =

28) 498 + 827 =

29) 836 + 658 =

30) 418 + 796 =

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.