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) 837 + 759 =

2) 882 + 727 =

3) 669 + 386 =

4) 290 + 982 =

5) 768 + 807 =

6) 881 + 348 =

7) 205 + 395 =

8) 904 + 467 =

9) 962 + 125 =

10) 657 + 862 =

11) 207 + 923 =

12) 442 + 718 =

13) 839 + 585 =

14) 461 + 300 =

15) 857 + 555 =

16) 806 + 177 =

17) 827 + 323 =

18) 705 + 797 =

19) 344 + 626 =

20) 468 + 721 =

21) 201 + 575 =

22) 860 + 735 =

23) 544 + 513 =

24) 722 + 775 =

25) 432 + 323 =

26) 662 + 897 =

27) 771 + 563 =

28) 324 + 768 =

29) 213 + 177 =

30) 801 + 697 =

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.