Adding three-digit numbers 100 to 200 (Horizontal Questions - Half Page x 2)

This basic Addition worksheet is designed to help kids practice adding three-digit numbers (100 through 200) 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:

  • 100+100, 101+100, 102+100, 103+100, 104+100, 105+100 ... 200+100
  • 100+101, 101+101, 102+101, 103+101, 104+101, 105+101 ... 200+101
  • 100+102, 101+102, 102+102, 103+102, 104+102, 105+102 ... 200+102
  • ...
  • 100+200, 101+200, 102+200, 103+200, 104+200, 105+200 ... 200+200
ANSWER KEY
122 + 152 =
 274
100 + 159 =
 259
149 + 128 =
 277
134 + 161 =
 295
152 + 149 =
 301
129 + 155 =
 284
119 + 109 =
 228
195 + 150 =
 345
105 + 113 =
 218
168 + 187 =
 355
114 + 163 =
 277
120 + 166 =
 286
160 + 160 =
 320
189 + 111 =
 300
153 + 194 =
 347
103 + 147 =
 250
105 + 132 =
 237
175 + 136 =
 311
117 + 126 =
 243
133 + 111 =
 244
179 + 110 =
 289
117 + 191 =
 308
199 + 154 =
 353
141 + 130 =
 271
177 + 120 =
 297
179 + 121 =
 300
159 + 145 =
 304
123 + 144 =
 267
129 + 200 =
 329
109 + 184 =
 293
152 + 128 =
 280
157 + 134 =
 291
108 + 123 =
 231
175 + 184 =
 359
105 + 140 =
 245
184 + 130 =
 314
188 + 187 =
 375
149 + 141 =
 290
109 + 168 =
 277
142 + 127 =
 269
198 + 112 =
 310
140 + 142 =
 282

 Check this box to display the answer key

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