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) 147 + 594 =

2) 317 + 336 =

3) 128 + 652 =

4) 513 + 451 =

5) 684 + 565 =

6) 894 + 291 =

7) 191 + 501 =

8) 470 + 916 =

9) 624 + 413 =

10) 383 + 600 =

11) 162 + 955 =

12) 970 + 711 =

13) 128 + 482 =

14) 647 + 901 =

15) 530 + 758 =

16) 344 + 120 =

17) 548 + 668 =

18) 175 + 693 =

19) 921 + 944 =

20) 776 + 814 =

21) 957 + 308 =

22) 945 + 258 =

23) 844 + 486 =

24) 375 + 111 =

25) 489 + 165 =

26) 540 + 928 =

27) 350 + 643 =

28) 913 + 674 =

29) 162 + 309 =

30) 119 + 385 =

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.