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) 241 + 814 =

2) 182 + 477 =

3) 471 + 126 =

4) 518 + 906 =

5) 196 + 780 =

6) 831 + 621 =

7) 820 + 362 =

8) 602 + 200 =

9) 537 + 310 =

10) 681 + 427 =

11) 742 + 609 =

12) 120 + 716 =

13) 694 + 886 =

14) 958 + 787 =

15) 806 + 399 =

16) 802 + 209 =

17) 518 + 398 =

18) 345 + 918 =

19) 515 + 995 =

20) 587 + 307 =

21) 880 + 624 =

22) 972 + 907 =

23) 768 + 712 =

24) 419 + 660 =

25) 981 + 449 =

26) 441 + 955 =

27) 435 + 936 =

28) 732 + 574 =

29) 368 + 732 =

30) 925 + 590 =

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.