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.

638
+246
277
+416
578
+804
367
+340
249
+120
115
+500
523
+872
663
+923
128
+957
151
+972
367
+587
486
+647
120
+214
985
+459
781
+121
629
+872
536
+102
236
+250
508
+118
398
+140
195
+722
771
+629
775
+614
500
+127
980
+354
798
+178
741
+361
746
+348
531
+369
721
+538
335
+371
751
+243
918
+506
169
+161
465
+647
292
+401
691
+691
931
+284
106
+657
183
+709
297
+625
633
+726
990
+758
615
+699
250
+936
824
+608
692
+730
206
+309
356
+447
778
+555
711
+596
702
+865
822
+317
385
+155
907
+543
678
+209
966
+310
628
+102
608
+329
273
+196
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.

638
+246
884
277
+416
693
578
+804
1382
367
+340
707
249
+120
369
115
+500
615
523
+872
1395
663
+923
1586
128
+957
1085
151
+972
1123
367
+587
954
486
+647
1133
120
+214
334
985
+459
1444
781
+121
902
629
+872
1501
536
+102
638
236
+250
486
508
+118
626
398
+140
538
195
+722
917
771
+629
1400
775
+614
1389
500
+127
627
980
+354
1334
798
+178
976
741
+361
1102
746
+348
1094
531
+369
900
721
+538
1259
335
+371
706
751
+243
994
918
+506
1424
169
+161
330
465
+647
1112
292
+401
693
691
+691
1382
931
+284
1215
106
+657
763
183
+709
892
297
+625
922
633
+726
1359
990
+758
1748
615
+699
1314
250
+936
1186
824
+608
1432
692
+730
1422
206
+309
515
356
+447
803
778
+555
1333
711
+596
1307
702
+865
1567
822
+317
1139
385
+155
540
907
+543
1450
678
+209
887
966
+310
1276
628
+102
730
608
+329
937
273
+196
469
Trace Worksheets

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