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3-Digit Addition

Name: ______________Date: _______
1)
241
+ 40
2)
254
+ 51
3)
267
+ 62
4)
280
+ 73
5)
293
+ 84
6)
306
+ 95

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2nd & 3rd Grade

3-Digit Addition

Add within 1,000 with regrouping across multiple places.

Grade
2nd & 3rd Grade
Common Core
3.NBT.A.2
Topic
Addition Worksheets
Format
PDF · A4 / Letter
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Sample problems

  1. 1.241 + 40
  2. 2.254 + 51
  3. 3.267 + 62
  4. 4.280 + 73
  5. 5.293 + 84
  6. 6.306 + 95
Answer key
  1. 1.281
  2. 2.305
  3. 3.329
  4. 4.353
  5. 5.377
  6. 6.401

About this 3-Digit Addition worksheet

This 3-digit addition worksheet is aimed at 2nd & 3rd Grade students and is generated by MathPrepAI's algorithmic engine — so you can produce unlimited fresh versions with automatic answer keys. Adjust the number of problems, difficulty, and page layout, then download a print-ready PDF. It aligns with Common Core standard 3.NBT.A.2.

Browse more by grade: Grade 2, Grade 3.

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