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) 906 + 872 =

2) 491 + 265 =

3) 290 + 914 =

4) 569 + 956 =

5) 123 + 626 =

6) 110 + 654 =

7) 695 + 828 =

8) 767 + 352 =

9) 151 + 668 =

10) 339 + 646 =

11) 242 + 590 =

12) 533 + 365 =

13) 499 + 263 =

14) 473 + 816 =

15) 470 + 453 =

16) 504 + 139 =

17) 346 + 177 =

18) 617 + 803 =

19) 345 + 690 =

20) 644 + 187 =

21) 339 + 382 =

22) 975 + 757 =

23) 266 + 504 =

24) 858 + 690 =

25) 717 + 742 =

26) 895 + 849 =

27) 149 + 239 =

28) 432 + 418 =

29) 846 + 382 =

30) 824 + 506 =

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.