Adding three-digit numbers 100 to 999 (Vertical Questions - Half Page)

This basic Addition worksheet is designed to help kids practice adding three-digit numbers (100 through 999) 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 ... 999+100
  • 100+101, 101+101, 102+101, 103+101, 104+101, 105+101 ... 999+101
  • 100+102, 101+102, 102+102, 103+102, 104+102, 105+102 ... 999+102
  • ...
  • 100+999, 101+999, 102+999, 103+999, 104+999, 105+999 ... 999+999
ANSWER KEY
900
+ 212
1112
114
+ 367
481
648
+ 697
1345
840
+ 787
1627
521
+ 865
1386
752
+ 278
1030
754
+ 744
1498
202
+ 929
1131
334
+ 532
866
186
+ 983
1169
331
+ 714
1045
263
+ 187
450
776
+ 704
1480
464
+ 566
1030
670
+ 334
1004
719
+ 521
1240
498
+ 364
862
161
+ 178
339
249
+ 614
863
709
+ 920
1629
118
+ 251
369
576
+ 301
877
787
+ 691
1478
981
+ 660
1641

 Check this box to display the answer key

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