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) 631 + 124 =

2) 170 + 779 =

3) 844 + 158 =

4) 300 + 760 =

5) 750 + 699 =

6) 428 + 318 =

7) 571 + 354 =

8) 187 + 439 =

9) 713 + 630 =

10) 849 + 652 =

11) 976 + 880 =

12) 871 + 792 =

13) 270 + 772 =

14) 303 + 633 =

15) 963 + 421 =

16) 415 + 798 =

17) 852 + 795 =

18) 507 + 675 =

19) 573 + 382 =

20) 441 + 121 =

21) 480 + 776 =

22) 942 + 969 =

23) 384 + 562 =

24) 567 + 521 =

25) 695 + 848 =

26) 777 + 107 =

27) 262 + 172 =

28) 282 + 761 =

29) 189 + 926 =

30) 628 + 535 =

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.