Adding two-digit numbers 10 to 90 (Horizontal Questions - Half Page x 2)

This basic Addition worksheet is designed to help kids practice adding two-digit 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 Addition 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+10, 12+10, 13+10, 14+10, 15+10 ... 90+10
  • 10+11, 11+11, 12+11, 13+11, 14+11, 15+11 ... 90+11
  • 10+12, 11+12, 12+12, 13+12, 14+12, 15+12 ... 90+12
  • ...
  • 10+90, 11+90, 12+90, 13+90, 14+90, 15+90 ... 90+90
ANSWER KEY
27 + 44 =
 71
16 + 12 =
 28
64 + 29 =
 93
87 + 55 =
 142
41 + 25 =
 66
86 + 55 =
 141
50 + 38 =
 88
15 + 22 =
 37
67 + 34 =
 101
80 + 46 =
 126
77 + 45 =
 122
89 + 42 =
 131
89 + 82 =
 171
66 + 75 =
 141
54 + 19 =
 73
52 + 69 =
 121
50 + 34 =
 84
35 + 90 =
 125
85 + 59 =
 144
59 + 38 =
 97
18 + 29 =
 47
89 + 43 =
 132
45 + 77 =
 122
30 + 87 =
 117
40 + 60 =
 100
59 + 57 =
 116
74 + 69 =
 143
54 + 63 =
 117
40 + 79 =
 119
82 + 25 =
 107
33 + 41 =
 74
44 + 63 =
 107
80 + 44 =
 124
37 + 30 =
 67
75 + 50 =
 125
31 + 27 =
 58
85 + 44 =
 129
79 + 10 =
 89
39 + 38 =
 77
38 + 76 =
 114
89 + 65 =
 154
67 + 26 =
 93
29 + 86 =
 115
73 + 20 =
 93
42 + 19 =
 61
33 + 30 =
 63
35 + 82 =
 117
78 + 23 =
 101
35 + 60 =
 95
19 + 33 =
 52
76 + 45 =
 121
83 + 25 =
 108
72 + 64 =
 136
43 + 70 =
 113
41 + 75 =
 116
27 + 80 =
 107

 Check this box to display the answer key

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