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) 331 + 517 =

2) 864 + 555 =

3) 564 + 599 =

4) 371 + 333 =

5) 660 + 783 =

6) 776 + 521 =

7) 746 + 439 =

8) 851 + 309 =

9) 673 + 890 =

10) 552 + 736 =

11) 831 + 536 =

12) 362 + 776 =

13) 203 + 598 =

14) 886 + 777 =

15) 272 + 103 =

16) 873 + 731 =

17) 794 + 784 =

18) 927 + 935 =

19) 157 + 461 =

20) 538 + 114 =

21) 301 + 768 =

22) 755 + 818 =

23) 478 + 710 =

24) 121 + 161 =

25) 978 + 131 =

26) 221 + 910 =

27) 179 + 230 =

28) 532 + 225 =

29) 183 + 242 =

30) 770 + 264 =

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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.