Trace: 3-Digit by 3-Digit Subtraction

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

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

Calculate each difference.

968
-817
908
-147
589
-469
893
-349
961
-228
985
-333
925
-220
464
-187
927
-262
762
-463
165
-115
927
-486
945
-628
980
-873
522
-450
693
-642
611
-371
742
-384
735
-219
549
-322
527
-446
329
-222
828
-733
989
-640
618
-124
996
-787
624
-482
980
-524
293
-168
968
-902
622
-506
862
-215
380
-222
830
-180
777
-158
809
-413
857
-708
804
-530
523
-206
779
-628
959
-584
153
-140
839
-356
802
-577
876
-558
939
-733
718
-676
986
-433
644
-598
704
-148
360
-251
973
-216
640
-492
177
-122
849
-468
556
-242
576
-341
930
-711
620
-618
709
-389
Trace Worksheets

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

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

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

Calculate each difference.

968
-817
151
908
-147
761
589
-469
120
893
-349
544
961
-228
733
985
-333
652
925
-220
705
464
-187
277
927
-262
665
762
-463
299
165
-115
50
927
-486
441
945
-628
317
980
-873
107
522
-450
72
693
-642
51
611
-371
240
742
-384
358
735
-219
516
549
-322
227
527
-446
81
329
-222
107
828
-733
95
989
-640
349
618
-124
494
996
-787
209
624
-482
142
980
-524
456
293
-168
125
968
-902
66
622
-506
116
862
-215
647
380
-222
158
830
-180
650
777
-158
619
809
-413
396
857
-708
149
804
-530
274
523
-206
317
779
-628
151
959
-584
375
153
-140
13
839
-356
483
802
-577
225
876
-558
318
939
-733
206
718
-676
42
986
-433
553
644
-598
46
704
-148
556
360
-251
109
973
-216
757
640
-492
148
177
-122
55
849
-468
381
556
-242
314
576
-341
235
930
-711
219
620
-618
2
709
-389
320
Trace Worksheets

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