Adding three-digit numbers 100 to 800 (Vertical Questions - Half Page)

This basic Addition worksheet is designed to help kids practice adding three-digit numbers (100 through 800) 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, 103+100, 104+100, 105+100 ... 800+100
  • 100+101, 101+101, 102+101, 103+101, 104+101, 105+101 ... 800+101
  • 100+102, 101+102, 102+102, 103+102, 104+102, 105+102 ... 800+102
  • ...
  • 100+800, 101+800, 102+800, 103+800, 104+800, 105+800 ... 800+800
ANSWER KEY
404
+ 128
532
321
+ 391
712
126
+ 338
464
259
+ 424
683
582
+ 486
1068
646
+ 501
1147
432
+ 575
1007
710
+ 352
1062
227
+ 614
841
269
+ 262
531
670
+ 488
1158
587
+ 665
1252
123
+ 274
397
652
+ 272
924
541
+ 437
978
411
+ 525
936
618
+ 560
1178
175
+ 482
657
457
+ 349
806
336
+ 638
974
521
+ 120
641
213
+ 251
464
126
+ 782
908
204
+ 122
326

 Check this box to display the answer key

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