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) 644 + 703 =

2) 512 + 922 =

3) 713 + 596 =

4) 144 + 386 =

5) 414 + 185 =

6) 492 + 680 =

7) 781 + 363 =

8) 462 + 342 =

9) 149 + 135 =

10) 505 + 612 =

11) 105 + 217 =

12) 896 + 968 =

13) 864 + 373 =

14) 564 + 322 =

15) 656 + 653 =

16) 565 + 132 =

17) 517 + 348 =

18) 602 + 480 =

19) 188 + 504 =

20) 610 + 352 =

21) 435 + 727 =

22) 395 + 708 =

23) 594 + 223 =

24) 523 + 208 =

25) 397 + 387 =

26) 360 + 587 =

27) 589 + 678 =

28) 787 + 381 =

29) 684 + 554 =

30) 323 + 151 =

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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.