Adding Doubles+1, 10 to 70 (Horizontal Questions - Half Page x 2)

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 two half page math sheets 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
46 + 47 =
 93
10 + 11 =
 21
40 + 39 =
 79
60 + 59 =
 119
12 + 13 =
 25
68 + 67 =
 135
31 + 32 =
 63
52 + 51 =
 103
59 + 58 =
 117
44 + 45 =
 89
64 + 65 =
 129
43 + 42 =
 85
11 + 12 =
 23
65 + 64 =
 129
57 + 56 =
 113
18 + 19 =
 37
23 + 24 =
 47
25 + 26 =
 51
34 + 33 =
 67
56 + 57 =
 113
41 + 40 =
 81
49 + 48 =
 97
61 + 62 =
 123
51 + 50 =
 101
30 + 29 =
 59
54 + 53 =
 107
54 + 55 =
 109
61 + 60 =
 121
50 + 51 =
 101
68 + 69 =
 137
38 + 37 =
 75
61 + 62 =
 123
37 + 38 =
 75
69 + 70 =
 139
16 + 15 =
 31
62 + 63 =
 125
42 + 41 =
 83
68 + 67 =
 135
22 + 23 =
 45
54 + 53 =
 107
45 + 46 =
 91
34 + 33 =
 67
58 + 59 =
 117
15 + 16 =
 31
11 + 10 =
 21
11 + 12 =
 23
33 + 32 =
 65
64 + 63 =
 127
52 + 53 =
 105
47 + 48 =
 95
49 + 48 =
 97
33 + 32 =
 65
36 + 35 =
 71
27 + 26 =
 53
12 + 13 =
 25
17 + 18 =
 35

 Check this box to display the answer key

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