Quick Stations and Centers for Common Core Level: Second grade Common Core Standard ccss.math.content.2.NBT.a.1 (a, b) Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones. Introduction These stations are designed for quick set up and use as a specific station or center. They can be used as additional material or differentiated instruction. You may make additional copies of these materials as needed. Station A