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) 590 + 475 =

2) 602 + 175 =

3) 608 + 889 =

4) 749 + 614 =

5) 484 + 388 =

6) 892 + 246 =

7) 673 + 713 =

8) 912 + 483 =

9) 724 + 878 =

10) 248 + 937 =

11) 400 + 957 =

12) 752 + 599 =

13) 336 + 879 =

14) 664 + 861 =

15) 181 + 794 =

16) 889 + 448 =

17) 858 + 142 =

18) 533 + 578 =

19) 519 + 969 =

20) 963 + 654 =

21) 496 + 437 =

22) 281 + 245 =

23) 971 + 458 =

24) 606 + 117 =

25) 526 + 776 =

26) 337 + 109 =

27) 248 + 425 =

28) 110 + 774 =

29) 444 + 325 =

30) 620 + 670 =

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.