Adding Doubles 10 to 90 (Horizontal Questions - Half Page x 2)

This basic Adding Doubles worksheet is designed to help kids practice adding doubles, for numbers 10 through 90 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, ... 90+90
ANSWER KEY
83 + 83 =
 166
26 + 26 =
 52
89 + 89 =
 178
38 + 38 =
 76
71 + 71 =
 142
18 + 18 =
 36
70 + 70 =
 140
41 + 41 =
 82
74 + 74 =
 148
30 + 30 =
 60
67 + 67 =
 134
70 + 70 =
 140
81 + 81 =
 162
44 + 44 =
 88
78 + 78 =
 156
12 + 12 =
 24
16 + 16 =
 32
58 + 58 =
 116
32 + 32 =
 64
45 + 45 =
 90
46 + 46 =
 92
49 + 49 =
 98
50 + 50 =
 100
85 + 85 =
 170
68 + 68 =
 136
80 + 80 =
 160
24 + 24 =
 48
71 + 71 =
 142
76 + 76 =
 152
40 + 40 =
 80
35 + 35 =
 70
12 + 12 =
 24
36 + 36 =
 72
11 + 11 =
 22
73 + 73 =
 146
34 + 34 =
 68
45 + 45 =
 90
83 + 83 =
 166
22 + 22 =
 44
79 + 79 =
 158
23 + 23 =
 46
32 + 32 =
 64
66 + 66 =
 132
85 + 85 =
 170
90 + 90 =
 180
70 + 70 =
 140
38 + 38 =
 76
23 + 23 =
 46
14 + 14 =
 28
59 + 59 =
 118
49 + 49 =
 98
65 + 65 =
 130
47 + 47 =
 94
71 + 71 =
 142
19 + 19 =
 38
82 + 82 =
 164

 Check this box to display the answer key

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