2nd grade adding three or four numbers worksheets

Your child adds three or four two-digit numbers in a row, like 42 + 13 + 17, carrying when the ones add past nine, and finds a hidden digit in a sum.

Common Core 2.NBT.B.6 (Number and Operations in Base Ten)

Sample problems

  1. Sample 114 + 23 + 18 = 5?. Which digit is hidden by the box?

    Answer: 5

  2. Sample 23 + 25 + 7 = ?

    Answer: 35

  3. A bit harder84 + 91 + 67 = ?

    Answer: 242

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Adding three or four numbers