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) 585 + 276 =

2) 602 + 976 =

3) 346 + 880 =

4) 493 + 669 =

5) 601 + 964 =

6) 245 + 489 =

7) 817 + 776 =

8) 674 + 452 =

9) 158 + 938 =

10) 513 + 802 =

11) 161 + 629 =

12) 822 + 141 =

13) 892 + 994 =

14) 894 + 957 =

15) 348 + 649 =

16) 428 + 868 =

17) 372 + 993 =

18) 540 + 656 =

19) 637 + 346 =

20) 233 + 638 =

21) 195 + 350 =

22) 187 + 927 =

23) 175 + 507 =

24) 440 + 783 =

25) 954 + 801 =

26) 369 + 153 =

27) 100 + 951 =

28) 131 + 808 =

29) 261 + 140 =

30) 418 + 512 =

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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.