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) 892 + 417 =

2) 651 + 534 =

3) 894 + 169 =

4) 501 + 370 =

5) 354 + 878 =

6) 750 + 904 =

7) 242 + 492 =

8) 246 + 194 =

9) 478 + 492 =

10) 828 + 156 =

11) 428 + 709 =

12) 340 + 369 =

13) 997 + 657 =

14) 657 + 433 =

15) 967 + 262 =

16) 119 + 860 =

17) 711 + 871 =

18) 431 + 879 =

19) 442 + 809 =

20) 953 + 625 =

21) 595 + 828 =

22) 740 + 314 =

23) 782 + 868 =

24) 756 + 220 =

25) 173 + 326 =

26) 300 + 955 =

27) 832 + 199 =

28) 297 + 681 =

29) 629 + 499 =

30) 602 + 929 =

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.