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) 313 + 892 =

2) 640 + 993 =

3) 768 + 818 =

4) 711 + 712 =

5) 537 + 961 =

6) 917 + 387 =

7) 239 + 951 =

8) 667 + 817 =

9) 796 + 671 =

10) 416 + 957 =

11) 281 + 367 =

12) 799 + 878 =

13) 436 + 716 =

14) 392 + 451 =

15) 813 + 740 =

16) 326 + 522 =

17) 461 + 282 =

18) 261 + 154 =

19) 156 + 467 =

20) 544 + 982 =

21) 239 + 336 =

22) 813 + 760 =

23) 313 + 140 =

24) 907 + 970 =

25) 290 + 565 =

26) 316 + 398 =

27) 427 + 178 =

28) 420 + 149 =

29) 667 + 619 =

30) 137 + 928 =

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.