New York State Learning Standards and Core Curriculum
NY-3.OA. Operations & Algebraic Thinking
Understand properties of multiplication and the relationship between multiplication and division.
NY-3.OA.5. Apply properties of operations as strategies to multiply and divide.
NY-3.NBT. Number & Operations in Base Ten
Use place value understanding and properties of operations to perform multi-digit arithmetic.
NY-3.NBT.2. Fluently add and subtract within 1,000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.