Mathematics » Grade 3 » Number & Operations in Base Ten

Use place value understanding and properties of operations to perform multi-digit arithmetic.¹

• 1. Use place value understanding to round whole numbers to the nearest 10 or 100.

  Suggested tag: cc-3m-nbt-1

• 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.

  Suggested tag: cc-3m-nbt-2

• 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.

  Suggested tag: cc-3m-nbt-3