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.

352
-347
704
-292
850
-790
289
-262
981
-978
544
-345
637
-577
869
-109
795
-705
810
-420
512
-182
266
-235
461
-271
901
-446
702
-268
949
-701
765
-256
803
-615
417
-124
947
-791
972
-448
801
-224
904
-279
846
-656
539
-132
907
-342
560
-418
425
-119
472
-363
406
-356
615
-581
704
-283
819
-726
226
-119
785
-628
870
-384
592
-236
941
-403
983
-111
912
-510
496
-194
627
-572
982
-926
217
-189
345
-196
782
-420
332
-244
827
-408
461
-342
193
-174
690
-589
543
-239
476
-325
853
-444
606
-298
810
-465
778
-316
620
-213
551
-429
763
-614
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.

352
-347
5
704
-292
412
850
-790
60
289
-262
27
981
-978
3
544
-345
199
637
-577
60
869
-109
760
795
-705
90
810
-420
390
512
-182
330
266
-235
31
461
-271
190
901
-446
455
702
-268
434
949
-701
248
765
-256
509
803
-615
188
417
-124
293
947
-791
156
972
-448
524
801
-224
577
904
-279
625
846
-656
190
539
-132
407
907
-342
565
560
-418
142
425
-119
306
472
-363
109
406
-356
50
615
-581
34
704
-283
421
819
-726
93
226
-119
107
785
-628
157
870
-384
486
592
-236
356
941
-403
538
983
-111
872
912
-510
402
496
-194
302
627
-572
55
982
-926
56
217
-189
28
345
-196
149
782
-420
362
332
-244
88
827
-408
419
461
-342
119
193
-174
19
690
-589
101
543
-239
304
476
-325
151
853
-444
409
606
-298
308
810
-465
345
778
-316
462
620
-213
407
551
-429
122
763
-614
149
Trace Worksheets

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