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

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 a half page math sheet 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
40 + 16 =
 56
39 + 55 =
 94
28 + 50 =
 78
81 + 21 =
 102
60 + 48 =
 108
81 + 55 =
 136
68 + 66 =
 134
17 + 82 =
 99
74 + 52 =
 126
87 + 66 =
 153
81 + 39 =
 120
79 + 44 =
 123
59 + 10 =
 69
12 + 41 =
 53
62 + 53 =
 115
47 + 84 =
 131
58 + 77 =
 135
17 + 28 =
 45
14 + 20 =
 34
31 + 17 =
 48
38 + 29 =
 67
57 + 78 =
 135
43 + 13 =
 56
61 + 84 =
 145
14 + 77 =
 91
74 + 71 =
 145
64 + 41 =
 105
13 + 49 =
 62

 Check this box to display the answer key

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