Adding two-digit numbers 10 to 99 (Horizontal Questions - Half Page)

This basic Addition worksheet is designed to help kids practice adding two-digit numbers (10 through 99) 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 ... 99+10
  • 10+11, 11+11, 12+11, 13+11, 14+11, 15+11 ... 99+11
  • 10+12, 11+12, 12+12, 13+12, 14+12, 15+12 ... 99+12
  • ...
  • 10+99, 11+99, 12+99, 13+99, 14+99, 15+99 ... 99+99
ANSWER KEY
57 + 50 =
 107
39 + 40 =
 79
55 + 97 =
 152
21 + 94 =
 115
51 + 84 =
 135
20 + 11 =
 31
97 + 47 =
 144
29 + 59 =
 88
68 + 92 =
 160
10 + 68 =
 78
37 + 51 =
 88
63 + 46 =
 109
10 + 52 =
 62
51 + 47 =
 98
99 + 44 =
 143
54 + 45 =
 99
95 + 80 =
 175
54 + 77 =
 131
77 + 45 =
 122
10 + 28 =
 38
31 + 73 =
 104
69 + 66 =
 135
55 + 76 =
 131
39 + 82 =
 121
88 + 68 =
 156
14 + 52 =
 66
89 + 85 =
 174
64 + 26 =
 90

 Check this box to display the answer key

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