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.

106
+947
703
+767
100
+241
379
+464
278
+244
355
+473
981
+933
700
+713
646
+870
435
+863
453
+386
809
+639
457
+965
505
+999
313
+428
781
+673
206
+519
236
+784
971
+734
165
+283
298
+683
661
+372
131
+678
309
+140
796
+283
284
+406
731
+556
876
+496
916
+407
370
+505
810
+210
601
+970
960
+369
275
+143
782
+214
930
+419
580
+898
429
+101
841
+326
338
+630
123
+677
402
+342
206
+694
846
+857
285
+561
627
+879
121
+954
337
+180
117
+810
214
+390
276
+224
256
+384
231
+806
461
+375
327
+745
570
+351
816
+938
850
+728
493
+574
202
+925
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.

106
+947
1053
703
+767
1470
100
+241
341
379
+464
843
278
+244
522
355
+473
828
981
+933
1914
700
+713
1413
646
+870
1516
435
+863
1298
453
+386
839
809
+639
1448
457
+965
1422
505
+999
1504
313
+428
741
781
+673
1454
206
+519
725
236
+784
1020
971
+734
1705
165
+283
448
298
+683
981
661
+372
1033
131
+678
809
309
+140
449
796
+283
1079
284
+406
690
731
+556
1287
876
+496
1372
916
+407
1323
370
+505
875
810
+210
1020
601
+970
1571
960
+369
1329
275
+143
418
782
+214
996
930
+419
1349
580
+898
1478
429
+101
530
841
+326
1167
338
+630
968
123
+677
800
402
+342
744
206
+694
900
846
+857
1703
285
+561
846
627
+879
1506
121
+954
1075
337
+180
517
117
+810
927
214
+390
604
276
+224
500
256
+384
640
231
+806
1037
461
+375
836
327
+745
1072
570
+351
921
816
+938
1754
850
+728
1578
493
+574
1067
202
+925
1127
Trace Worksheets

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