Name: ____________________________________________
Addition with Regrouping
3-Digits Plus 3-Digits
Find the sums.
443 419 428 639 899
+ 567 + 675 + 98 + 880 + 243
781 199 523 432 456
+ 531 + 499 + 445 + 98 + 221
326 765 555 876 982
+ 427 + 876 + 893 + 456 + 816
643 292 741 206 951
+ 38 + 179 + 419 + 737 + 253
732 386 629 942 754
+ 429 + 439 + 487 + 75 + 227
Super Teacher Worksheets - http://www.superteacherworksheets.com
 Name: ____________________________________________ ANSWER KEY
Addition with Regrouping
3-Digits Plus 3-Digits
Find the sums.
443 419 428 639 899
+ 567 + 675 + 98 + 880 + 243
1,010 1,094 526 1,519 1,142
781 199 523 432 456
+ 531 + 499 + 445 + 98 + 221
1,312 698 968 530 677
326 765 555 876 982
+ 427 + 876 + 893 + 456 + 816
753 1,641 1,448 1,332 1,798
643 292 741 206 951
+ 38 + 179 + 419 + 737 + 253
681 471 1,160 943 1,204
732 386 629 942 754
+ 429 + 439 + 487 + 75 + 227
1,161 825 1,116 1,017 981
Super Teacher Worksheets - http://www.superteacherworksheets.com