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) 336 + 528 =

2) 415 + 959 =

3) 337 + 879 =

4) 529 + 472 =

5) 440 + 917 =

6) 291 + 836 =

7) 642 + 546 =

8) 829 + 965 =

9) 215 + 349 =

10) 851 + 481 =

11) 672 + 966 =

12) 494 + 778 =

13) 866 + 907 =

14) 961 + 380 =

15) 384 + 951 =

16) 430 + 442 =

17) 158 + 305 =

18) 812 + 423 =

19) 795 + 606 =

20) 552 + 545 =

21) 679 + 840 =

22) 206 + 217 =

23) 421 + 441 =

24) 533 + 542 =

25) 719 + 242 =

26) 892 + 380 =

27) 791 + 890 =

28) 680 + 202 =

29) 743 + 761 =

30) 747 + 284 =

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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.