Adding Doubles 100 to 999 (Horizontal Questions - Full Page)

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 a full page math sheet 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
547 + 547 =
 1094
484 + 484 =
 968
980 + 980 =
 1960
970 + 970 =
 1940
866 + 866 =
 1732
845 + 845 =
 1690
374 + 374 =
 748
497 + 497 =
 994
103 + 103 =
 206
998 + 998 =
 1996
751 + 751 =
 1502
150 + 150 =
 300
580 + 580 =
 1160
589 + 589 =
 1178
256 + 256 =
 512
326 + 326 =
 652
846 + 846 =
 1692
611 + 611 =
 1222
933 + 933 =
 1866
484 + 484 =
 968
586 + 586 =
 1172
597 + 597 =
 1194
591 + 591 =
 1182
935 + 935 =
 1870
122 + 122 =
 244
862 + 862 =
 1724
260 + 260 =
 520
773 + 773 =
 1546
580 + 580 =
 1160
356 + 356 =
 712
382 + 382 =
 764
639 + 639 =
 1278
518 + 518 =
 1036
345 + 345 =
 690
965 + 965 =
 1930
980 + 980 =
 1960
277 + 277 =
 554
720 + 720 =
 1440
484 + 484 =
 968
727 + 727 =
 1454
570 + 570 =
 1140
451 + 451 =
 902
935 + 935 =
 1870
455 + 455 =
 910
957 + 957 =
 1914
953 + 953 =
 1906
762 + 762 =
 1524
195 + 195 =
 390
891 + 891 =
 1782
475 + 475 =
 950
733 + 733 =
 1466
619 + 619 =
 1238
340 + 340 =
 680
862 + 862 =
 1724
398 + 398 =
 796
586 + 586 =
 1172
222 + 222 =
 444
519 + 519 =
 1038
212 + 212 =
 424
362 + 362 =
 724

 Check this box to display the answer key

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