《几何画板》背景下初中平面几何教学设计的研究与实践

发布时间：2018-04-03 03:01

本文选题：几何画板　切入点：辅助教学　出处：《华中师范大学》2017年硕士论文

【摘要】：我的这篇论文主要致力于研究几何画板这一绘图工具如何来促进初中数学中的平面几何部分知识的教学,在研究过程中,我主要是通过自己的实际教学过程中对几何画板的使用来研究说明。在本文中我以人民教育出版社出版的数学教材为依托,从学生刚开始学习平面几何部分知识开始,就利用几何画板这一绘图工具来辅助平面几何知识的教学。在本文中我主要说明了自己在平时的教学过程中是如何利用几何画板来辅助我的教学,主要包括了几何图形,直线、射线与线段,角的比较与运算,余角和补角,相交线和平行线,对顶角同位角、内错角、同旁内角,平行线,平移,三角形,轴对称,平行四边形以及圆。在讲解以上这些平面几何的知识时,我基本上都是用几何画板这一绘图软件在课堂中给学生演示或者让学自己用多媒体教学设备进行操作来学习这些内容。通过几年的不断努力,我自己的教学水平有了质的飞跃,在教学的过程中不断使自己的课堂变得更加的有趣了,而且学生在我的课堂中也收货的成功与喜悦。学生在我课堂中的收货是以前的传统教学方式无能如何也做不到的,传统的教学方式重点在于老师上课的讲授,把所有的知识强硬的塞给学生,学生在课堂 .中收货不了快乐。同时传统教学方式也对学生的思维发展有一定的局限性。因此用几何画板来辅助初中平面几何知识的教学已经是大势所趋,是21世纪课改背景之下一个所有老师都必须走的教学之路。因此本文的研究显得尤为重要,它不断为我以后的教学研究指明了方向,同时也可以为其他一线的老师的教学作为参考,使他们在利用几何画板来进行教学时,可以少走一些弯路。几何画板进入课堂来辅助老师对平面几何部分知识的教学,对老师的要求变得更高,老师不断要具备一定的知识能力,还需要老师具备一定的计算机使用能力。因此,本文把所有需要用几何画板来辅助教学的平面几何知识用最简单的语言来产生,其他老师可以借鉴来辅助自己的教学。
[Abstract]:My thesis is devoted to studying how the drawing tool of geometric Sketchpad can promote the teaching of plane geometry in junior high school mathematics.I mainly through their actual teaching process of the use of geometric Sketchpad to study the explanation.In this paper, based on the mathematics textbook published by the people's Education Publishing House, I use the drawing tool of geometric Sketchpad to assist in the teaching of plane Geometry from the beginning of the students' learning some knowledge of plane geometry.In this paper, I mainly explain how I use geometric drawing board to assist my teaching in the normal teaching process, mainly including geometric figure, straight line, ray and line segment, angle comparison and operation, residual angle and complement angle.Intersecting lines and parallel lines, equal vertex angles, internal staggered angles, inner angles of the same side, parallel lines, translation, triangles, axisymmetric, parallelograms, and circles.In explaining the above plane geometry, I basically use the drawing software geometric Sketchpad to show the students in class or to learn how to use multimedia teaching equipment to learn these things.Through several years of continuous efforts, my own teaching level has made a qualitative leap, in the process of teaching to make their classroom more interesting, and the students in my class also received the success and joy.The students receive goods in my class is the previous traditional teaching method how incompetent can not do, the traditional teaching method is focused on the teacher teaching, all the knowledge hard to students, students in the classroom.I can't be happy to receive the goods in the middle.At the same time, the traditional teaching method also has certain limitation to the student's thought development.Therefore, it is the trend of the times to use geometric drawing board to assist the teaching of plane geometry knowledge in junior high school. It is a teaching way that all teachers must take under the background of curriculum reform in the 21st century.Therefore, the research in this paper is especially important, it has pointed out the direction for my later teaching research, and it can also be used as a reference for the teaching of other front-line teachers, so that they can make use of the geometry drawing board to carry on the teaching.You can take less detours.Geometry drawing board comes into the classroom to assist the teacher to teach the part of plane geometry knowledge, the teacher's request becomes higher, the teacher must constantly have certain knowledge ability, also needs the teacher to have the certain computer use ability.Therefore, all the knowledge of plane geometry which needs to be assisted by geometric drawing board is produced in the simplest language, and other teachers can learn from it to assist their own teaching.
【学位授予单位】：华中师范大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：G633.6

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