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
711
+ 367
1078
524
+ 370
894
761
+ 741
1502
495
+ 322
817
594
+ 278
872
221
+ 543
764
765
+ 676
1441
466
+ 303
769
399
+ 489
888
552
+ 553
1105
734
+ 781
1515
267
+ 276
543
677
+ 488
1165
287
+ 178
465
431
+ 606
1037
442
+ 404
846
492
+ 178
670
670
+ 198
868
175
+ 295
470
164
+ 578
742
651
+ 785
1436
581
+ 478
1059
421
+ 305
726
347
+ 502
849
208
+ 799
1007
426
+ 316
742
475
+ 652
1127
752
+ 735
1487
678
+ 275
953
226
+ 236
462
570
+ 233
803
319
+ 153
472
305
+ 277
582
481
+ 308
789
459
+ 558
1017
769
+ 455
1224
652
+ 352
1004
434
+ 275
709
700
+ 645
1345
200
+ 677
877
540
+ 315
855
137
+ 782
919
677
+ 108
785
738
+ 454
1192
414
+ 733
1147
734
+ 798
1532
456
+ 399
855
569
+ 464
1033

 Check this box to display the answer key

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