Thinking about Thinking

With the shift to Common Core and Performance Assessment the emphasis on understanding student thinking has found a place in student assessment and achievement in mathematics.  Understanding how students think is key to not only giving our students support in the classroom but shaping their beliefs in how they perceive their intelligence.

http://www.movieweb.com/tv/TEbe2cgisvf5df/HUqfiwtq8TRxtz

What role do you see assessment being played in the classroom? Does understanding how students think help you prepare for your role as a teacher?  How will you use this information to shape your practice?