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) 135 + 936 =

2) 590 + 523 =

3) 808 + 131 =

4) 453 + 360 =

5) 181 + 429 =

6) 643 + 150 =

7) 481 + 188 =

8) 554 + 693 =

9) 390 + 547 =

10) 259 + 853 =

11) 360 + 311 =

12) 858 + 567 =

13) 418 + 507 =

14) 713 + 386 =

15) 323 + 104 =

16) 967 + 953 =

17) 947 + 108 =

18) 804 + 178 =

19) 723 + 460 =

20) 678 + 916 =

21) 371 + 642 =

22) 290 + 245 =

23) 201 + 322 =

24) 915 + 968 =

25) 230 + 682 =

26) 765 + 833 =

27) 193 + 916 =

28) 322 + 896 =

29) 495 + 386 =

30) 971 + 895 =

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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.