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目前,不少教师在教学过程中只是把图形作为一种知识在传授,缺乏作为一种解决问题的策略和方法引领,导致学生缺乏利用图形的策略意识,不善画图,不会读图,不懂用图。因此,在问题解决的教学中,教师要重视引导学生产生画图需要,经历画图方法,体会图形价值,从而形成并掌握利用图形解决问题的策略。下面,我以问题解决的环节为例,谈谈如何引导学生体会图形价值的策略思考。一、理解题意,激发图形表征的需求图形表征是学生提炼和加工信息,整理和完善
At present, many teachers in the teaching process just teach graphics as a knowledge, lack of strategies and methods as a solution to lead, leading to the lack of awareness of the use of graphics strategy, poor drawing, not reading, do not understand With graph Therefore, in the problem-solving teaching, teachers should pay attention to guide students to produce drawing needs, experience drawing methods, appreciate the value of graphics to form and grasp the use of graphics to solve the problem strategy. Below, I take the problem solving part as an example, talk about how to guide students to understand the strategic thinking of graphics. First, to understand the problem, to stimulate the demand for graphical representation Graphical representation of the students to extract and process information, organize and improve