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Add three-digit numbers

Grade 2 math · Fieldbook Learning

Name ______________________ Date __________

Add by place: ones, then tens, then hundreds.

  1. 222 + 137 =
  2. 121 + 164 =
  3. 117 + 171 =
  4. 287 + 101 =
  5. 411 + 223 =
  6. 304 + 431 =
  7. 404 + 445 =
  8. 244 + 253 =
  9. 351 + 148 =
  10. 384 + 216 =
  11. 381 + 219 =
  12. 201 + 320 =
  13. 289 + 411 =
  14. 123 + 217 =
  15. 347 + 137 =
  16. 266 + 159 =
  17. 248 + 334 =
  18. 397 + 209 =
  19. 441 + 362 =
  20. 402 + 279 =
More free practice: fieldbooklearning.com/practice/grade-2/add-three-digit-numbers/

Play it as a quiz game

20 of these questions as multiple choice, with near-miss wrong answers, ready for Kahoot or Blooket.

  1. Download the game's own question template: in Kahoot, Add question → Import spreadsheet; in Blooket, Create a set → Spreadsheet import.
  2. Click the matching button below, then click the first empty question row of the template and paste.
  3. Save the template (Kahoot needs .xlsx, Blooket .csv) and upload it.
Download CSV

Answer key: Add three-digit numbers

  1. 359
  2. 285
  3. 288
  4. 388
  5. 634
  6. 735
  7. 849
  8. 497
  9. 499
  10. 600
  11. 600
  12. 521
  13. 700
  14. 340
  15. 484
  16. 425
  17. 582
  18. 606
  19. 803
  20. 681