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) 924 + 851 =

2) 710 + 724 =

3) 820 + 341 =

4) 608 + 458 =

5) 464 + 900 =

6) 791 + 714 =

7) 887 + 236 =

8) 557 + 685 =

9) 180 + 899 =

10) 486 + 374 =

11) 242 + 105 =

12) 572 + 964 =

13) 426 + 654 =

14) 409 + 203 =

15) 788 + 358 =

16) 314 + 856 =

17) 617 + 254 =

18) 160 + 793 =

19) 647 + 539 =

20) 979 + 280 =

21) 352 + 868 =

22) 272 + 566 =

23) 390 + 883 =

24) 728 + 567 =

25) 594 + 706 =

26) 833 + 888 =

27) 438 + 759 =

28) 825 + 294 =

29) 958 + 624 =

30) 602 + 795 =

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.