Adding Doubles 10 to 80 (Horizontal Questions - Half Page x 2)

This basic Adding Doubles worksheet is designed to help kids practice adding doubles, for numbers 10 through 80 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:

  • 10+10, 11+11, 12+12, 13+13, 14+14, 15+15, ... 80+80
ANSWER KEY
36 + 36 =
 72
37 + 37 =
 74
43 + 43 =
 86
44 + 44 =
 88
29 + 29 =
 58
13 + 13 =
 26
45 + 45 =
 90
80 + 80 =
 160
80 + 80 =
 160
56 + 56 =
 112
31 + 31 =
 62
63 + 63 =
 126
65 + 65 =
 130
71 + 71 =
 142
47 + 47 =
 94
77 + 77 =
 154
52 + 52 =
 104
54 + 54 =
 108
73 + 73 =
 146
47 + 47 =
 94
57 + 57 =
 114
46 + 46 =
 92
72 + 72 =
 144
52 + 52 =
 104
11 + 11 =
 22
37 + 37 =
 74
24 + 24 =
 48
39 + 39 =
 78
54 + 54 =
 108
57 + 57 =
 114
39 + 39 =
 78
41 + 41 =
 82
51 + 51 =
 102
42 + 42 =
 84
62 + 62 =
 124
64 + 64 =
 128
13 + 13 =
 26
48 + 48 =
 96
39 + 39 =
 78
35 + 35 =
 70
59 + 59 =
 118
22 + 22 =
 44
38 + 38 =
 76
61 + 61 =
 122
60 + 60 =
 120
36 + 36 =
 72
75 + 75 =
 150
50 + 50 =
 100
49 + 49 =
 98
38 + 38 =
 76
79 + 79 =
 158
57 + 57 =
 114
58 + 58 =
 116
56 + 56 =
 112
38 + 38 =
 76
69 + 69 =
 138

 Check this box to display the answer key

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