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) 377 + 498 =

2) 117 + 305 =

3) 934 + 750 =

4) 674 + 460 =

5) 301 + 675 =

6) 382 + 947 =

7) 535 + 333 =

8) 523 + 755 =

9) 101 + 659 =

10) 736 + 795 =

11) 312 + 769 =

12) 863 + 142 =

13) 905 + 977 =

14) 817 + 651 =

15) 194 + 666 =

16) 984 + 512 =

17) 424 + 582 =

18) 332 + 394 =

19) 453 + 577 =

20) 212 + 428 =

21) 857 + 175 =

22) 214 + 776 =

23) 554 + 879 =

24) 706 + 114 =

25) 534 + 383 =

26) 113 + 370 =

27) 671 + 812 =

28) 977 + 516 =

29) 462 + 300 =

30) 218 + 528 =

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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.