Adding Doubles+1, 100 to 999 (Vertical Questions - Half Page)

This basic Adding Doubles plus one worksheet is designed to help kids practice adding doubles+1, for 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 Adding Doubles+1 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+101, 101+102, 102+103, 103+104, 104+105, 105+106, ... 998+999
  • 101+100, 102+101, 103+102, 104+103, 105+104, 106+105, ... 999+998
ANSWER KEY
507
+ 508
1015
324
+ 323
647
882
+ 881
1763
875
+ 876
1751
137
+ 138
275
844
+ 843
1687
639
+ 638
1277
235
+ 236
471
888
+ 889
1777
135
+ 134
269
227
+ 226
453
202
+ 203
405
939
+ 938
1877
743
+ 744
1487
593
+ 592
1185
344
+ 345
689
480
+ 479
959
214
+ 215
429
750
+ 751
1501
633
+ 632
1265
734
+ 735
1469
773
+ 774
1547
321
+ 320
641
485
+ 484
969

 Check this box to display the answer key

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