Adding Doubles+1, 10 to 70 (Horizontal Questions - Half Page)

This basic Adding Doubles plus one worksheet is designed to help kids practice adding doubles+1, for numbers 10 through 70 with addition questions that change each time you visit. This math worksheet is printable and displays a half page math sheet with Horizontal 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:

  • 10+11, 11+12, 12+13, 13+14, 14+15, 15+16, ... 69+70
  • 11+10, 12+11, 13+12, 14+13, 15+14, 16+15, ... 70+69
ANSWER KEY
56 + 55 =
 111
15 + 16 =
 31
34 + 35 =
 69
67 + 66 =
 133
45 + 44 =
 89
14 + 13 =
 27
45 + 46 =
 91
61 + 60 =
 121
38 + 39 =
 77
47 + 48 =
 95
16 + 15 =
 31
11 + 12 =
 23
11 + 12 =
 23
65 + 64 =
 129
69 + 68 =
 137
69 + 70 =
 139
67 + 66 =
 133
49 + 50 =
 99
58 + 59 =
 117
58 + 57 =
 115
45 + 46 =
 91
38 + 39 =
 77
40 + 39 =
 79
24 + 23 =
 47
28 + 27 =
 55
43 + 42 =
 85
62 + 63 =
 125
19 + 20 =
 39

 Check this box to display the answer key

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