Although this paper is written for faculty of educational psychology, the information is useful for any teacher who is interested in learning about some of the theory behind motivation. The purpose of this paper is to distill the numerous theories and frameworks for motivational principles into a simpler format. The authors offer that motivation is based on three fundamental needs: the need for autonomy, the need for belonging and the need for competence. An understanding of these concepts can help teachers provide a learning environment that increases motivation in their students.