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Third Grade Number and Operations in Base Ten Standards

Third Grade Standards, Third Grade Math Standards, Third Grade Math, Third Grade Skills, Math Standards Third Grade, Number Standards, Numbers Standards, Operations Standards, Base Ten Standards, Base 10 Standards

Third Grade Math: Number and Operations in Base Ten  Standards

Use place value understanding and properties of operations to perform multi-digit arithmetic.

  • 3.NBT.1. Use place value understanding to round whole numbers to the nearest 10 or 100.
  • 3.NBT.2. Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
  • 3.NBT.3. Multiply one-digit whole numbers by multiples of 10 in the range 10–90 (e.g., 9 × 80, 5 × 60) using strategies based on place value and properties of operations.