Offers what every mathematics teacher educator or supervisor has been looking for. Ideally suited for use with students who are taking a methods course or who are student teaching, this activity-oriented, research-based text: Supplies detailed observation instruments that preservice teachers can use when they observe other teachers. Offers reflective activities that provide a structure through which beginning teachers can think about their teaching in an insightful, thorough, and productive manner. Includes guidelines and instruments for supervisors to use when observing, conferencing with, and assessing beginning or student teachers.