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) 514 + 923 =

2) 989 + 347 =

3) 293 + 348 =

4) 773 + 744 =

5) 153 + 340 =

6) 961 + 858 =

7) 708 + 481 =

8) 332 + 209 =

9) 692 + 541 =

10) 813 + 440 =

11) 538 + 663 =

12) 140 + 760 =

13) 498 + 809 =

14) 679 + 389 =

15) 830 + 467 =

16) 488 + 933 =

17) 942 + 959 =

18) 599 + 783 =

19) 433 + 293 =

20) 470 + 788 =

21) 110 + 544 =

22) 830 + 282 =

23) 533 + 826 =

24) 732 + 478 =

25) 315 + 798 =

26) 398 + 814 =

27) 584 + 907 =

28) 746 + 660 =

29) 397 + 613 =

30) 150 + 670 =

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.