一、缘起很多时候教师在教学中往往不顾忌学生是否有真实的发现,向学生提出一些非常直接甚至是带有暗示的问题,期望学生尽快获得结论,以保证教学过程的顺利实施。显然,教师过于直接而又简单的提问是不会让学生有真实发现的经历和体验的。今年我再次仔细阅读“圆的周长”这一教学内容,分析学生学习起点。认识圆的基本特征是学习此课的基础知识;会画指定大小的圆是学习此课的基 First, often from time to time teachers in teaching often scruples students have no real discovery, put forward to the students some very direct and even implied problems, expect students to get conclusions as soon as possible to ensure the smooth implementation of the teaching process. Obviously, teachers are too direct and simple questions will not allow students to have real-life experience and experience. This year I again read carefully the teaching content of Round Perimeter and analyze the starting point for students’ learning. The basic characteristics of a circle of understanding is to learn the basics of this lesson; to draw a specified size of the circle is to learn this lesson