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数学教学是一种学科性活动教学,是师生、生生通过交流互动,共同发展的过程,数学教学要紧密联系学生的生活实际,从学生的生活经验和已有的认知水平出发,创设各种情境,为学生构建数学活动平台,激发他们的数学探究兴趣,以及学好数学的愿望。为此,我们必须重视教学情境的创设,树立以学生为主体的教学观,并且置身于组织者、引导者、合作者的地位。那么,在创设情境、开展教学的系列环节上,怎样预设有效情境呢?是不是能够做到从学生的认知基础、生活经验出发去创设理想的情境,开展情境的有效教学呢?
Teaching mathematics is a discipline of teaching activities, teachers and students, students through the exchange of interaction and common development process, mathematics teaching should be closely linked to students ’actual life, starting from the students’ life experience and existing cognitive level, the creation of each Kind of situation, to build mathematical activity platform for students to stimulate their interest in mathematical inquiry, as well as the desire to learn mathematics. To this end, we must attach importance to the creation of teaching situations, establish a student-centered teaching concept and place ourselves as organizers, leaders and collaborators. So, in the creation of situations, teaching a series of links, how to preset effective situations? Is it possible to do from the cognitive basis of students, life experience to create the ideal situation, to carry out effective teaching context?