在明晰目标中指导学生体验知识形成的过程,在自主探究中掌握倍数和因数的概念的过程,发现求一个数的倍数和因数的方法,发展学生的数学思维。一、经历过程,组织学生体验“倍数”和“因数”是小学阶段非常重要的一组概念,对于四年级学生来说经历概念的产生过程,准确理解并掌握概念就显得非常重要。本节课老师精心组 In the clear goal of guiding students to experience the formation of the process of knowledge, in the process of self-exploration to master the concept of multiples and factors, find a multiple and the number of factors to develop the mathematical thinking of students. First, the process of experience and organize student experience “multiples ” and “factor ” is a very important set of concepts in primary school stage, for the fourth grade students to experience the concept of the production process, accurate understanding of and grasp of the concept is very important . This class teacher carefully group