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) 674 + 196 =

2) 565 + 191 =

3) 173 + 642 =

4) 805 + 409 =

5) 545 + 962 =

6) 319 + 938 =

7) 951 + 713 =

8) 808 + 513 =

9) 655 + 154 =

10) 704 + 826 =

11) 541 + 144 =

12) 443 + 144 =

13) 462 + 908 =

14) 755 + 518 =

15) 996 + 907 =

16) 168 + 844 =

17) 153 + 176 =

18) 722 + 181 =

19) 283 + 415 =

20) 358 + 502 =

21) 268 + 154 =

22) 385 + 560 =

23) 610 + 512 =

24) 379 + 920 =

25) 667 + 854 =

26) 878 + 971 =

27) 899 + 133 =

28) 809 + 906 =

29) 396 + 582 =

30) 596 + 716 =

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.