课堂教学的有效性首先取决于学生对知识生成过程的体验,体验是学生自主建构的前提,是能力生成的基础和决定性条件。数学教学中的体验是指学生在教师的引导下,在数学活动中主动参与,亲身经历,获得对数学事实和经验的理性认识和 The effectiveness of classroom teaching depends first and foremost on students ’experiences of knowledge-generating process. Experiencing is the premise of students’ self-construction and the basis and decisive condition for their ability to be generated. The experience in mathematics teaching means that under the guidance of teachers, students take the initiative to participate in mathematics activities and experience first hand, gaining a rational understanding of mathematical fact and experience and