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随着教育信息化的不断发展,现代化教学设备逐渐引入课堂,给学生的视觉听觉带来了全新的感受,也给数学课堂注入了新的活力。教师在广泛使用电化教学带来的乐趣时,往往忽略了传统的教具与学具的运用。《数学课程标准》指出:“教学中引导学生观察、操作、猜想、推理、交流等活动”。它将所有数学课程目标的达成集中于现实的、有意义的、富有挑战性的数学活动之中。教育心理学研究表明:小学生认知水平还处于初级阶段,抽象思维发展得不充分,往往需要借助学具来增加知识的直观性。在教学中合理使用教具与学具,既可以直观鲜明地揭示客观事物的数量关系,把抽象的内容具体化,又能直观地揭示空间几何形体的本质特征,有利于加强基础知识教学,培养学生的能力,发展学生的智力,激发学生的学习积极性。
With the continuous development of educational informationization, modern teaching equipment is gradually introduced to the classroom, which brings a brand new feeling to students’ visual hearing and also infuses new vitality into the mathematics classroom. Teachers in the widespread use of the joy of electrification teaching, often overlooked the use of traditional teaching aids and learning tools. “Mathematics Curriculum Standard” states: “teaching students to observe, operate, guess, reasoning, communication and other activities ”. It focuses on achieving the goals of all math courses in realistic, meaningful and challenging mathematical activities. Educational psychology research shows that: primary school students cognitive level is still in its infancy, the development of abstract thinking is not sufficient, often need to learn to increase the intuitiveness of knowledge. The reasonable use of teaching aids and learning tools in teaching can not only reveal the quantitative relationship of objective things intuitively and vividly but also abstract the contents and reveal the essential features of spatial geometry intuitively so as to strengthen the teaching of basic knowledge and students The ability to develop students ’intelligence, stimulate students’ enthusiasm for learning.