Adding three-digit numbers 100 to 500 (Vertical Questions - Half 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 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 ... 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
356
+ 388
744
228
+ 230
458
200
+ 398
598
495
+ 394
889
333
+ 111
444
170
+ 359
529
460
+ 111
571
477
+ 204
681
188
+ 295
483
435
+ 443
878
336
+ 291
627
255
+ 411
666
370
+ 385
755
320
+ 432
752
180
+ 282
462
129
+ 198
327
477
+ 318
795
267
+ 123
390
105
+ 334
439
495
+ 217
712
304
+ 400
704
308
+ 224
532
153
+ 157
310
416
+ 183
599

 Check this box to display the answer key

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