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) 190 + 150 =

2) 455 + 486 =

3) 893 + 413 =

4) 373 + 391 =

5) 282 + 462 =

6) 842 + 627 =

7) 973 + 599 =

8) 964 + 734 =

9) 359 + 840 =

10) 777 + 846 =

11) 376 + 351 =

12) 397 + 741 =

13) 527 + 820 =

14) 438 + 169 =

15) 587 + 379 =

16) 571 + 537 =

17) 546 + 205 =

18) 227 + 737 =

19) 217 + 555 =

20) 201 + 858 =

21) 653 + 902 =

22) 980 + 140 =

23) 254 + 345 =

24) 367 + 133 =

25) 256 + 382 =

26) 193 + 679 =

27) 947 + 578 =

28) 707 + 704 =

29) 604 + 580 =

30) 953 + 280 =

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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.