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) 431 + 657 =

2) 600 + 753 =

3) 849 + 784 =

4) 263 + 222 =

5) 753 + 612 =

6) 127 + 200 =

7) 123 + 757 =

8) 441 + 802 =

9) 534 + 852 =

10) 112 + 273 =

11) 151 + 817 =

12) 396 + 585 =

13) 262 + 649 =

14) 961 + 158 =

15) 247 + 354 =

16) 342 + 331 =

17) 266 + 383 =

18) 639 + 565 =

19) 221 + 111 =

20) 392 + 816 =

21) 677 + 999 =

22) 743 + 770 =

23) 821 + 327 =

24) 697 + 579 =

25) 843 + 753 =

26) 330 + 832 =

27) 790 + 839 =

28) 314 + 590 =

29) 111 + 170 =

30) 754 + 493 =

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.