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) 894 + 482 =

2) 429 + 650 =

3) 240 + 590 =

4) 905 + 302 =

5) 139 + 223 =

6) 154 + 925 =

7) 145 + 251 =

8) 450 + 556 =

9) 361 + 935 =

10) 330 + 243 =

11) 624 + 246 =

12) 222 + 294 =

13) 710 + 552 =

14) 566 + 885 =

15) 457 + 724 =

16) 141 + 981 =

17) 196 + 968 =

18) 386 + 710 =

19) 667 + 229 =

20) 399 + 670 =

21) 461 + 120 =

22) 782 + 715 =

23) 649 + 142 =

24) 682 + 424 =

25) 110 + 509 =

26) 653 + 886 =

27) 887 + 470 =

28) 891 + 719 =

29) 947 + 206 =

30) 146 + 890 =

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.