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) 992 + 114 =

2) 203 + 731 =

3) 843 + 749 =

4) 750 + 275 =

5) 189 + 801 =

6) 817 + 997 =

7) 846 + 704 =

8) 257 + 410 =

9) 855 + 964 =

10) 508 + 201 =

11) 324 + 827 =

12) 461 + 687 =

13) 681 + 650 =

14) 847 + 209 =

15) 864 + 151 =

16) 762 + 659 =

17) 849 + 326 =

18) 964 + 411 =

19) 552 + 536 =

20) 877 + 501 =

21) 897 + 209 =

22) 168 + 234 =

23) 969 + 627 =

24) 677 + 582 =

25) 796 + 592 =

26) 184 + 353 =

27) 361 + 531 =

28) 836 + 463 =

29) 531 + 915 =

30) 917 + 596 =

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.