Adding Doubles 100 to 999 (Horizontal Questions - Half Page x 2)

This basic Adding Doubles worksheet is designed to help kids practice adding doubles, for numbers 100 through 999 with addition questions that change each time you visit. This math worksheet is printable and displays two half page math sheets with Horizontal Addition questions.

With this math sheet generator, you can easily create Adding Doubles 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+101, 102+102, 103+103, 104+104, 105+105, ... 999+999
ANSWER KEY
176 + 176 =
 352
280 + 280 =
 560
898 + 898 =
 1796
551 + 551 =
 1102
389 + 389 =
 778
458 + 458 =
 916
189 + 189 =
 378
486 + 486 =
 972
894 + 894 =
 1788
857 + 857 =
 1714
209 + 209 =
 418
442 + 442 =
 884
556 + 556 =
 1112
354 + 354 =
 708
365 + 365 =
 730
939 + 939 =
 1878
422 + 422 =
 844
999 + 999 =
 1998
282 + 282 =
 564
248 + 248 =
 496
334 + 334 =
 668
631 + 631 =
 1262
852 + 852 =
 1704
993 + 993 =
 1986
212 + 212 =
 424
839 + 839 =
 1678
956 + 956 =
 1912
779 + 779 =
 1558
441 + 441 =
 882
886 + 886 =
 1772
335 + 335 =
 670
967 + 967 =
 1934
187 + 187 =
 374
783 + 783 =
 1566
304 + 304 =
 608
503 + 503 =
 1006
754 + 754 =
 1508
113 + 113 =
 226
511 + 511 =
 1022
311 + 311 =
 622
146 + 146 =
 292
891 + 891 =
 1782

 Check this box to display the answer key

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