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) 202 + 365 =

2) 951 + 508 =

3) 541 + 228 =

4) 238 + 622 =

5) 524 + 600 =

6) 379 + 105 =

7) 958 + 314 =

8) 542 + 240 =

9) 668 + 648 =

10) 361 + 580 =

11) 756 + 284 =

12) 747 + 177 =

13) 302 + 906 =

14) 321 + 737 =

15) 409 + 348 =

16) 490 + 439 =

17) 116 + 444 =

18) 293 + 997 =

19) 555 + 650 =

20) 617 + 904 =

21) 803 + 670 =

22) 330 + 571 =

23) 314 + 779 =

24) 553 + 159 =

25) 227 + 464 =

26) 595 + 518 =

27) 932 + 211 =

28) 730 + 642 =

29) 926 + 236 =

30) 880 + 918 =

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.