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.

986
+994
644
+285
818
+271
936
+856
712
+772
812
+728
345
+686
968
+971
647
+630
709
+332
783
+662
147
+874
329
+310
196
+192
189
+528
259
+175
557
+738
581
+961
850
+253
374
+901
317
+375
516
+764
403
+917
253
+624
419
+190
236
+498
422
+730
393
+157
766
+778
512
+154
623
+409
968
+244
862
+126
295
+969
562
+227
653
+669
975
+782
890
+121
315
+785
376
+913
592
+543
364
+597
397
+126
870
+221
203
+924
195
+335
128
+208
695
+700
416
+778
973
+502
755
+598
627
+126
406
+944
373
+928
406
+104
923
+835
263
+364
746
+506
976
+351
909
+512
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.

986
+994
1980
644
+285
929
818
+271
1089
936
+856
1792
712
+772
1484
812
+728
1540
345
+686
1031
968
+971
1939
647
+630
1277
709
+332
1041
783
+662
1445
147
+874
1021
329
+310
639
196
+192
388
189
+528
717
259
+175
434
557
+738
1295
581
+961
1542
850
+253
1103
374
+901
1275
317
+375
692
516
+764
1280
403
+917
1320
253
+624
877
419
+190
609
236
+498
734
422
+730
1152
393
+157
550
766
+778
1544
512
+154
666
623
+409
1032
968
+244
1212
862
+126
988
295
+969
1264
562
+227
789
653
+669
1322
975
+782
1757
890
+121
1011
315
+785
1100
376
+913
1289
592
+543
1135
364
+597
961
397
+126
523
870
+221
1091
203
+924
1127
195
+335
530
128
+208
336
695
+700
1395
416
+778
1194
973
+502
1475
755
+598
1353
627
+126
753
406
+944
1350
373
+928
1301
406
+104
510
923
+835
1758
263
+364
627
746
+506
1252
976
+351
1327
909
+512
1421
Trace Worksheets

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