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) 783 + 879 =

2) 760 + 577 =

3) 781 + 665 =

4) 419 + 597 =

5) 385 + 947 =

6) 323 + 142 =

7) 149 + 836 =

8) 136 + 889 =

9) 690 + 198 =

10) 892 + 275 =

11) 539 + 654 =

12) 715 + 497 =

13) 728 + 403 =

14) 883 + 802 =

15) 148 + 238 =

16) 346 + 211 =

17) 439 + 112 =

18) 624 + 451 =

19) 908 + 845 =

20) 558 + 708 =

21) 659 + 734 =

22) 297 + 945 =

23) 904 + 171 =

24) 404 + 395 =

25) 539 + 967 =

26) 267 + 412 =

27) 900 + 840 =

28) 119 + 754 =

29) 174 + 298 =

30) 633 + 625 =

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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.