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随着时代的发展,计算机已经进入日常生活和教学实践中.如何更好地使用计算机,实现信息技术与教学课程的整合,成为我们教师需要思考的问题.下面谈谈笔者在教学“探究距离最短问题”中的一点尝试.一、设计意图利用轴对称的性质,可以解决生活中很多“距离最短”问题,比如我们熟悉的“将军饮马”问题,“造桥”问题,Fagnano问题等.我们平时讲解时需要很多复杂的画图、解释,操作起来耗时耗力,结果学生听得一知半解,每次
With the development of the times, the computer has entered the daily life and teaching practice.How to use the computer better, to achieve the integration of information technology and teaching courses, become our teachers need to think about the following talk about the author in teaching Shortest problem. “First, the design intent to use the axisymmetric nature, you can solve many” shortest distance "problems in life, such as we are familiar with Fagnano problems, etc. We usually need to explain a lot of complex drawing, explain, time-consuming operation, the results of students to hear a little knowledge, every time