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) 774 + 417 =

2) 380 + 377 =

3) 683 + 328 =

4) 445 + 497 =

5) 538 + 202 =

6) 216 + 870 =

7) 163 + 910 =

8) 199 + 816 =

9) 589 + 725 =

10) 736 + 768 =

11) 373 + 752 =

12) 162 + 894 =

13) 214 + 297 =

14) 160 + 306 =

15) 168 + 827 =

16) 697 + 238 =

17) 451 + 765 =

18) 905 + 572 =

19) 417 + 159 =

20) 614 + 388 =

21) 905 + 716 =

22) 655 + 539 =

23) 461 + 452 =

24) 990 + 273 =

25) 769 + 842 =

26) 580 + 270 =

27) 524 + 200 =

28) 916 + 699 =

29) 567 + 533 =

30) 529 + 543 =

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.