This document discusses how teaching math may change by 2020, focusing on the roles of technology and teachers. It suggests that (1) learning math will become a team effort with technology as one member, providing personalized and adaptive learning. (2) Teachers will shift from instructors to learning coaches, challenging and encouraging students. (3) Issues with devices and assessment will be solved to allow seamless blending of in-person and digital learning. The role of teachers remains important as human connections and coaching are needed, but technology can handle repetitive tasks and information transfer.