MathematiCat

2nd grade addition and subtraction within 1,000 worksheets

Your child adds and subtracts three-digit numbers within 1,000, regrouping ones, tens or hundreds when needed.

Common Core 2.NBT.B.7 (Number and Operations in Base Ten)

Sample problems

  1. Sample 1500 + 398 = ?

    Answer: 898

  2. Sample 2255 āˆ’ 121 = ?

    Answer: 134

  3. A bit harder258 + 326 = ?

    Answer: 584

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Addition and subtraction within 1,000