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) 970 + 225 =

2) 679 + 156 =

3) 912 + 342 =

4) 587 + 674 =

5) 724 + 194 =

6) 560 + 911 =

7) 269 + 895 =

8) 906 + 674 =

9) 560 + 905 =

10) 137 + 342 =

11) 935 + 275 =

12) 704 + 884 =

13) 585 + 728 =

14) 776 + 327 =

15) 535 + 517 =

16) 871 + 986 =

17) 118 + 752 =

18) 966 + 800 =

19) 434 + 434 =

20) 663 + 634 =

21) 218 + 686 =

22) 790 + 344 =

23) 225 + 532 =

24) 614 + 915 =

25) 600 + 673 =

26) 197 + 696 =

27) 216 + 549 =

28) 589 + 153 =

29) 184 + 902 =

30) 658 + 598 =

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.