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在立几教学的入门阶段,由于多种原因,学生会遇到各种障碍,往往感到很不适应。我们认为,需要放慢“直线和平面”这一章节的教学进度,打好扎实的基础,使学生掌握空间概念,形成空间想象能力。本文通过对立体几何第一章“直线和平面”的教学实践谈点教学体会和认识。
In the beginning stage of the teaching of Liji, students will encounter various obstacles due to various reasons, and they often feel very uncomfortable. We believe that we need to slow down the teaching progress of the chapter “straight and flat” and lay a solid foundation for students to master the concept of space and form spatial imagination. This article talks about teaching experience and understanding through the teaching practice of the first chapter “straight and plane” of the three-dimensional geometry.