Adding three-digit numbers 100 to 800 (Vertical Questions - Half Page x 2)

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 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 ... 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
671
+ 358
1029
296
+ 368
664
551
+ 676
1227
651
+ 259
910
771
+ 566
1337
143
+ 252
395
766
+ 557
1323
616
+ 767
1383
175
+ 212
387
230
+ 337
567
185
+ 539
724
623
+ 605
1228
253
+ 638
891
447
+ 440
887
550
+ 335
885
467
+ 726
1193
162
+ 449
611
562
+ 358
920
618
+ 729
1347
462
+ 616
1078
343
+ 382
725
464
+ 187
651
273
+ 594
867
591
+ 259
850
385
+ 526
911
248
+ 364
612
474
+ 381
855
435
+ 517
952
322
+ 227
549
292
+ 745
1037
160
+ 510
670
122
+ 413
535
303
+ 777
1080
689
+ 526
1215
651
+ 179
830
226
+ 254
480
678
+ 756
1434
170
+ 513
683
477
+ 206
683
725
+ 393
1118
358
+ 755
1113
492
+ 642
1134
641
+ 234
875
457
+ 519
976
688
+ 188
876
680
+ 332
1012
713
+ 550
1263
181
+ 251
432

 Check this box to display the answer key

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