Adding three-digit numbers, sum not exceeding 999 (Vertical Questions - Half Page)

This basic Addition worksheet is designed to help kids practice adding three-digit numbers (the result will not exceed 999) with addition questions that change each time you visit. This math worksheet is printable and displays a half page math sheet 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, ... 899+100
  • 100+101, 101+101, 102+101, ... 898+101
  • 100+102, 101+102, 102+102, ... 897+102
  • ...
  • 100+896, 101+896, 102+896, 103+896
  • 100+897, 101+897, 102+897
  • 100+898, 101+898
  • 100+899
ANSWER KEY
559
+ 307
866
512
+ 202
714
268
+ 464
732
527
+ 189
716
491
+ 241
732
681
+ 257
938
329
+ 160
489
109
+ 300
409
387
+ 607
994
285
+ 595
880
167
+ 827
994
378
+ 469
847
332
+ 287
619
368
+ 584
952
845
+ 152
997
575
+ 192
767
517
+ 290
807
604
+ 246
850
899
+ 100
999
619
+ 158
777
371
+ 462
833
422
+ 404
826
315
+ 299
614
332
+ 355
687

 Check this box to display the answer key

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