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数学活动经验的积累是提高学生数学素养的重要标志。积累数学活动经验的目的之一是建立数学感悟和数学直观。在几何概念教学中充分运用直观手段,从某种意义上说,正体现了这种思想。这里的直观指的是一切感官所能感觉到的东西。小学阶段几何学习主要是直观几何,因此要充分发挥直观教学的作用,这样可以充分调动学生的各种感觉器官,增强学习效果。
The accumulation of experience in math activities is an important symbol of improving students’ mathematical literacy. One of the purposes of accumulating experience in math activities is to establish mathematical insights and mathematical intuition. Making full use of visual means in the teaching of geometric concepts is, in a certain sense, a manifestation of this kind of thinking. Intuition here refers to what all senses can feel. Primary geometry learning is mainly intuitive geometry, it is necessary to give full play to the role of visual teaching, so that students can fully mobilize the various sense organs, and enhance learning.