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) 349 + 223 =

2) 296 + 723 =

3) 312 + 431 =

4) 197 + 528 =

5) 900 + 681 =

6) 304 + 742 =

7) 737 + 529 =

8) 498 + 210 =

9) 934 + 955 =

10) 327 + 119 =

11) 111 + 789 =

12) 439 + 379 =

13) 890 + 492 =

14) 976 + 558 =

15) 793 + 309 =

16) 700 + 405 =

17) 335 + 646 =

18) 473 + 163 =

19) 988 + 128 =

20) 884 + 388 =

21) 182 + 416 =

22) 610 + 362 =

23) 222 + 195 =

24) 487 + 967 =

25) 104 + 500 =

26) 595 + 218 =

27) 678 + 689 =

28) 415 + 916 =

29) 620 + 176 =

30) 977 + 252 =

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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.