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
31 + 32 =
 63
28 + 29 =
 57
48 + 47 =
 95
43 + 44 =
 87
53 + 52 =
 105
53 + 54 =
 107
33 + 32 =
 65
65 + 66 =
 131
69 + 68 =
 137
42 + 41 =
 83
28 + 29 =
 57
70 + 69 =
 139
44 + 45 =
 89
65 + 66 =
 131
70 + 69 =
 139
53 + 54 =
 107
18 + 17 =
 35
33 + 32 =
 65
61 + 62 =
 123
63 + 62 =
 125
60 + 59 =
 119
58 + 59 =
 117
48 + 47 =
 95
50 + 49 =
 99
32 + 33 =
 65
45 + 46 =
 91
63 + 62 =
 125
28 + 29 =
 57

 Check this box to display the answer key

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