Trace: 3-Digit by 3-Digit Addition

3-Digit by 3-Digit Addition
Name:
Date:
Correct:____ /60
Time (sec):
Composite Score:

Composite score = time in seconds / correct (lower is better)

Calculate each sum.

814
+655
865
+757
468
+374
160
+789
331
+372
419
+305
465
+282
609
+993
583
+891
246
+671
461
+240
136
+427
509
+749
360
+939
295
+832
278
+725
326
+341
455
+237
311
+538
439
+718
968
+802
226
+972
462
+833
399
+793
399
+639
962
+250
834
+660
574
+675
745
+977
418
+546
848
+646
979
+619
656
+367
599
+349
864
+300
522
+547
649
+821
737
+940
301
+889
872
+387
131
+717
449
+382
606
+440
380
+533
927
+730
381
+697
830
+639
979
+960
898
+790
777
+187
729
+415
552
+260
310
+763
666
+760
705
+300
864
+859
448
+141
887
+532
799
+158
258
+176
Trace Worksheets

The 3-Digit by 3-Digit Addition (60 Questions) Worksheet Page 1

3-Digit by 3-Digit Addition Answers
Name:
Date:
Correct:____ /60
Time (sec):
Composite Score:

Composite score = time in seconds / correct (lower is better)

Calculate each sum.

814
+655
1469
865
+757
1622
468
+374
842
160
+789
949
331
+372
703
419
+305
724
465
+282
747
609
+993
1602
583
+891
1474
246
+671
917
461
+240
701
136
+427
563
509
+749
1258
360
+939
1299
295
+832
1127
278
+725
1003
326
+341
667
455
+237
692
311
+538
849
439
+718
1157
968
+802
1770
226
+972
1198
462
+833
1295
399
+793
1192
399
+639
1038
962
+250
1212
834
+660
1494
574
+675
1249
745
+977
1722
418
+546
964
848
+646
1494
979
+619
1598
656
+367
1023
599
+349
948
864
+300
1164
522
+547
1069
649
+821
1470
737
+940
1677
301
+889
1190
872
+387
1259
131
+717
848
449
+382
831
606
+440
1046
380
+533
913
927
+730
1657
381
+697
1078
830
+639
1469
979
+960
1939
898
+790
1688
777
+187
964
729
+415
1144
552
+260
812
310
+763
1073
666
+760
1426
705
+300
1005
864
+859
1723
448
+141
589
887
+532
1419
799
+158
957
258
+176
434
Trace Worksheets

The 3-Digit by 3-Digit Addition (60 Questions) Worksheet Page 2