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) 849 + 468 =

2) 477 + 327 =

3) 543 + 161 =

4) 846 + 916 =

5) 316 + 143 =

6) 685 + 415 =

7) 526 + 415 =

8) 782 + 344 =

9) 892 + 424 =

10) 882 + 960 =

11) 498 + 481 =

12) 998 + 646 =

13) 647 + 538 =

14) 422 + 328 =

15) 648 + 772 =

16) 796 + 707 =

17) 769 + 427 =

18) 137 + 901 =

19) 105 + 627 =

20) 157 + 225 =

21) 338 + 435 =

22) 210 + 770 =

23) 252 + 894 =

24) 474 + 674 =

25) 598 + 141 =

26) 803 + 625 =

27) 807 + 911 =

28) 515 + 183 =

29) 127 + 586 =

30) 300 + 324 =

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.