小学数学课堂教学的有效性来自于教师对学生已有知识基础的了解;教师创设的教学情境和学生学习的兴趣激发;教师开展的教学方法能使师生共同参与学习过程。只有有效的关注学生的学习经验,有效的创设一定的情境,有效的引导学生积极、主动地参与学习;有效的亲身实践、自主探究、合作交流,才能实现课堂教学中有效性最终目标。 The effectiveness of primary school mathematics classroom teaching comes from the teachers ’understanding of the students’ existing knowledge base; the teaching situations created by teachers and the students ’interest in learning; and the teachers’ teaching methods can make teachers and students participate in the learning process together. Only effectively concerned about the students’ learning experience, effectively create a certain situation, effectively guide students to actively and actively participate in learning; effective personal practice, independent exploration, cooperation and exchange, in order to achieve the ultimate goal of effectiveness of classroom teaching.