Name: ____________________________________________
Addition with Regrouping
3-Digits Plus 3-Digits
Find the sums.
443
+
567
419
+ 67
5
428
+ 98
639
+
880
899
+
243
781
+ 531
199
+ 499
523
+ 445
432
+ 98
456
+ 221
326
+ 427
765
+ 876
555
+ 893
876
+ 456
982
+ 816
643
+ 38
292
+ 179
741
+ 419
206
+ 737
951
+ 253
732
+ 429
386
+ 439
629
+ 487
942
+ 75
754
+ 227
Name: ____________________________________________
ANSWER KEY
Addition with Regrouping
3-Digits Plus 3-Digits
Find the sums.
443
+ 567
1,010
419
+ 675
1,094
428
+
98
526
639
+
880
1,519
899
+
243
1,142
781
+ 531
1,312
199
+ 499
698
523
+ 445
968
432
+ 98
530
456
+ 221
677
326
+ 427
753
765
+ 876
1,641
555
+ 893
1,448
876
+ 456
1,332
982
+ 816
1,798
643
+ 38
681
292
+ 179
471
741
+ 419
1,160
206
+ 737
943
951
+ 253
1,204
732
+ 429
1,161
386
+ 439
825
629
+ 487
1,116
942
+ 75
1,017
754
+ 227
981