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空间与图形教学的主要目的是对现实物体的形状、大小、位置变换等进行初步探究,它是帮助学生了解世界,树立空间思维观念的重要工具之一。科学、开放的空间与图形教学能够强化学生观察力,让学生在自主构建中提升综合学习意识。为此,教师要围绕如何化抽象为立体,如何调动学生的自主感知意识来进行教学,为学生生动导入,有效拓展新知。一、创设情景,生活引趣情景创设是小学数学中的惯常教学方法,小学
The main purpose of space and graphic teaching is to make a preliminary inquiry into the shape, size and position of real objects. It is one of the important tools to help students understand the world and establish the concept of spatial thinking. Science, open space and graphic teaching can strengthen students’ observational power and enable students to enhance their comprehensive learning consciousness in self-construction. To this end, teachers should focus on how to abstract the three-dimensional, how to mobilize the sense of self-awareness of students to teach, students vivid introduction, effectively expand the new knowledge. First, the creation of scenarios, life entertaining scene creation is the usual primary school mathematics teaching methods, primary