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.

292
-256
604
-166
238
-140
758
-195
863
-414
305
-218
944
-519
720
-415
714
-608
845
-496
935
-869
499
-367
718
-252
350
-208
849
-333
940
-865
574
-170
984
-525
488
-401
577
-324
437
-381
696
-673
402
-158
455
-420
641
-611
773
-380
888
-505
920
-147
769
-329
853
-283
728
-618
865
-659
741
-214
819
-140
932
-763
437
-257
755
-408
563
-555
429
-166
963
-123
703
-258
863
-694
888
-269
938
-119
504
-249
752
-264
703
-295
556
-286
542
-191
890
-755
914
-562
636
-310
796
-313
463
-287
784
-431
568
-566
504
-373
756
-574
822
-444
417
-393
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.

292
-256
36
604
-166
438
238
-140
98
758
-195
563
863
-414
449
305
-218
87
944
-519
425
720
-415
305
714
-608
106
845
-496
349
935
-869
66
499
-367
132
718
-252
466
350
-208
142
849
-333
516
940
-865
75
574
-170
404
984
-525
459
488
-401
87
577
-324
253
437
-381
56
696
-673
23
402
-158
244
455
-420
35
641
-611
30
773
-380
393
888
-505
383
920
-147
773
769
-329
440
853
-283
570
728
-618
110
865
-659
206
741
-214
527
819
-140
679
932
-763
169
437
-257
180
755
-408
347
563
-555
8
429
-166
263
963
-123
840
703
-258
445
863
-694
169
888
-269
619
938
-119
819
504
-249
255
752
-264
488
703
-295
408
556
-286
270
542
-191
351
890
-755
135
914
-562
352
636
-310
326
796
-313
483
463
-287
176
784
-431
353
568
-566
2
504
-373
131
756
-574
182
822
-444
378
417
-393
24
Trace Worksheets

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