新课改的重要理念就是改变传统的教与学的方式,让学生成为学习的主人。在新课改的指导下,小学数学课堂教学有效性成为小学数学老师研究的重要课题,如何实现小学数学课堂教学的有效性,本文从培养学生学习兴趣和教师科学的评价,两方面阐述自己观点,目的在于落实新课改,实现小学数学课堂教学的有效性。 The important idea of ​​the new curriculum reform is to change the traditional way of teaching and learning, so that students become the masters of learning. Under the guidance of the new curriculum reform, the effectiveness of primary school mathematics classroom teaching has become an important issue for primary school mathematics teachers. How to realize the effectiveness of primary school mathematics classroom teaching? This article elaborates its own views from two aspects: cultivating students’ interest in learning and teacher’s science evaluation , The purpose is to implement the new curriculum reform, to achieve the effectiveness of primary school mathematics classroom teaching.