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) 915 + 304 =

2) 793 + 502 =

3) 656 + 282 =

4) 264 + 629 =

5) 831 + 211 =

6) 540 + 784 =

7) 543 + 739 =

8) 641 + 185 =

9) 898 + 631 =

10) 873 + 411 =

11) 618 + 623 =

12) 442 + 831 =

13) 731 + 719 =

14) 216 + 928 =

15) 718 + 926 =

16) 986 + 680 =

17) 570 + 786 =

18) 289 + 538 =

19) 625 + 566 =

20) 542 + 534 =

21) 595 + 474 =

22) 996 + 276 =

23) 617 + 872 =

24) 561 + 532 =

25) 182 + 148 =

26) 358 + 812 =

27) 387 + 534 =

28) 310 + 468 =

29) 461 + 546 =

30) 144 + 219 =

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.