Adding three-digit numbers 100 to 900 (Vertical Questions - Half Page x 2)

This basic Addition worksheet is designed to help kids practice adding three-digit numbers (100 through 900) with addition questions that change each time you visit. This math worksheet is printable and displays two half page math sheets with Vertical Addition questions.

With this math sheet generator, you can easily create Addition worksheets that are never the same and always different, providing you with an unlimited supply of math sheets to use in the classroom or at home.

Each math sheet also has an optional answer key checkbox that you can select, if you wish to print an answer key to go along with your math worksheet. And there are six different question styles to choose from, as listed below.

Possible Questions:

The possible addition questions on this math worksheet are:

  • 100+100, 101+100, 102+100, 103+100, 104+100, 105+100 ... 900+100
  • 100+101, 101+101, 102+101, 103+101, 104+101, 105+101 ... 900+101
  • 100+102, 101+102, 102+102, 103+102, 104+102, 105+102 ... 900+102
  • ...
  • 100+900, 101+900, 102+900, 103+900, 104+900, 105+900 ... 900+900
ANSWER KEY
212
+ 746
958
771
+ 488
1259
728
+ 396
1124
643
+ 264
907
434
+ 625
1059
574
+ 291
865
758
+ 351
1109
302
+ 763
1065
375
+ 579
954
175
+ 779
954
396
+ 428
824
124
+ 163
287
667
+ 397
1064
136
+ 491
627
737
+ 271
1008
791
+ 276
1067
497
+ 186
683
519
+ 348
867
885
+ 411
1296
713
+ 764
1477
196
+ 200
396
706
+ 619
1325
119
+ 894
1013
510
+ 154
664
390
+ 836
1226
535
+ 651
1186
546
+ 140
686
463
+ 637
1100
243
+ 241
484
114
+ 802
916
608
+ 251
859
206
+ 619
825
517
+ 659
1176
520
+ 806
1326
493
+ 667
1160
850
+ 211
1061
130
+ 869
999
864
+ 255
1119
664
+ 283
947
344
+ 738
1082
555
+ 150
705
647
+ 542
1189
470
+ 134
604
452
+ 435
887
583
+ 353
936
499
+ 754
1253
705
+ 393
1098
338
+ 677
1015

 Check this box to display the answer key

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