作为新课程理念积极倡导的一种新的学习方式,探究性学习活动在小学数学教学中得到了广泛运用。但在现实的数学教学中,由于存在教师对探究性学习活动的认识不到位、预估不足、预设不够等诸多问题,造成学生在探究活动中的低效甚至负效。本文试对探究活动低效的原因和改进措施作如下论述: As a new learning method advocated by the new curriculum concept, exploratory learning activities have been widely used in elementary mathematics teaching. However, in the real teaching of mathematics, many problems such as the teachers’ lack of understanding of exploratory learning activities, the underestimated and insufficient preconditions, have caused the inefficient and even negative effects of the students in the exploratory activities. This paper attempts to explore the reasons for inefficient exploration activities and improvement measures as follows: