Adding three-digit numbers 100 to 500 (Vertical Questions - Full Page)

This basic Addition worksheet is designed to help kids practice adding three-digit numbers (100 through 500) with addition questions that change each time you visit. This math worksheet is printable and displays a full 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 ... 500+100
  • 100+101, 101+101, 102+101, 103+101, 104+101, 105+101 ... 500+101
  • 100+102, 101+102, 102+102, 103+102, 104+102, 105+102 ... 500+102
  • ...
  • 100+500, 101+500, 102+500, 103+500, 104+500, 105+500 ... 500+500
ANSWER KEY
212
+ 173
385
241
+ 357
598
398
+ 358
756
495
+ 293
788
157
+ 422
579
159
+ 435
594
186
+ 344
530
477
+ 119
596
242
+ 430
672
118
+ 150
268
463
+ 351
814
162
+ 238
400
325
+ 196
521
229
+ 479
708
492
+ 369
861
243
+ 260
503
461
+ 243
704
235
+ 181
416
107
+ 408
515
455
+ 427
882
284
+ 360
644
212
+ 131
343
382
+ 291
673
384
+ 295
679
295
+ 314
609
433
+ 182
615
217
+ 239
456
447
+ 148
595
116
+ 168
284
224
+ 461
685
415
+ 377
792
467
+ 275
742
162
+ 265
427
500
+ 385
885
280
+ 250
530
462
+ 151
613
285
+ 251
536
104
+ 408
512
337
+ 222
559
204
+ 252
456
251
+ 463
714
114
+ 173
287
178
+ 180
358
146
+ 395
541
161
+ 288
449
221
+ 348
569
356
+ 211
567
462
+ 181
643
118
+ 155
273
319
+ 185
504
166
+ 215
381
407
+ 391
798
430
+ 407
837
314
+ 288
602
336
+ 393
729
424
+ 426
850
352
+ 473
825
472
+ 362
834
437
+ 256
693
168
+ 316
484
179
+ 214
393
466
+ 271
737
125
+ 417
542
104
+ 493
597

 Check this box to display the answer key

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