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一、案例背景《东南西北》是北师大版义务教育课程标准实验教科书·数学二年级上册第五单元“方向与位置”第一课时教学内容。教学的主要目标是让学生在熟悉的生活环境中辨认方向,感知方向的相对性和培养方向感,正确辨认现实生活中的方向。为了有效地实现教学目标,教学中教师按照“生活—课堂—生活”这一主线,注重借助学生已有的生活经验,创设现实的活动情境,让所有的学生参与到活动中,以学生活动为主要手段,使学生在探索中体验东西南北的位置关系,理解方向的相对性。
First, the case background “Northwest” is the compulsory education curriculum standard experimental textbook of Beijing Normal University, the fifth unit of the second grade “direction and position” the first class teaching content. The main goal of teaching is to enable students to identify the direction of the familiar living environment, perceive the relative orientation and sense of direction, correctly identify the direction of real life. In order to effectively achieve the teaching goal, teaching teachers in accordance with the “life - classroom - life ” the main line, focusing on students’ existing life experience, create a realistic activity situation, so that all students participate in the activities to students Activities as the main means to enable students to experience the exploration of the location of the relationship between North and South, understanding of the relative direction.