数学课堂是学生发展的天地,数学学习的过程是学生享受教师服务的过程。精彩的课堂是在价值引导下自主建构的过程,是真实自然的师生互动的过程,是以动态生成的方式推进教学活动的过程。因此,只要教师课前根据学生的知识起点,顺应学生的学习需求精心预设,引导学生投入到知识的建构和 Mathematics classroom is the world where students develop. The process of mathematics learning is the process of students’ enjoyment of teacher service. Wonderful classroom is under the guidance of the value of self-construction process is a real and natural teacher-student interaction process is to dynamically generate teaching activities to promote the process. Therefore, as long as the teacher class starts according to the student’s knowledge base and complies with the learning needs of the students carefully, guiding students to devote themselves to the construction of knowledge