In elementary and middle schools in China, core subject teachers serve as homeroom most classes. Nevertheless, some are beginning to try use non-core teachers. A series of disputes have arisen over the teacher serving teacher. Based on defining concepts subject, teacher, this paper summarized two viewpoints whether can become teachers; then discussed role potential reasons for being blocked, so...

School has to qualify students to use mathematical knowledge and competences in a flexible way in different situations. For that they have to understand fundamental concepts and techniques of mathematics. They have to be able to use standard-procedures to solve problems in well-known situations as well as to use flexible different strategies to solve non-routine problems. Learning the basics li...