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) 523 + 730 =

2) 676 + 859 =

3) 701 + 514 =

4) 246 + 768 =

5) 173 + 851 =

6) 437 + 855 =

7) 651 + 822 =

8) 434 + 556 =

9) 924 + 747 =

10) 901 + 792 =

11) 127 + 904 =

12) 851 + 243 =

13) 110 + 235 =

14) 778 + 323 =

15) 559 + 151 =

16) 552 + 735 =

17) 572 + 581 =

18) 263 + 190 =

19) 754 + 862 =

20) 259 + 420 =

21) 443 + 850 =

22) 803 + 577 =

23) 395 + 571 =

24) 308 + 432 =

25) 357 + 994 =

26) 908 + 176 =

27) 740 + 511 =

28) 804 + 331 =

29) 859 + 358 =

30) 656 + 813 =

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.