This document provides the vision and principles for math education at the King Open School. It outlines that math instruction is based on district standards and curricula, and encourages family involvement through sharing student work and educating parents. It also describes the underlying principles of believing all students can do math, experiencing the pleasure of math, and having an effective math learning community. Students learn by doing math, communicating ideas, and developing fluency through practice. Teachers know student needs, provide multiple ways of learning, plan instruction based on assessments, and work to raise achievement for all students.