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培养学生的创新能力,探索学生自主性学习模式已成为当今课堂教学改革的大趋势。新修订的“初中数学教学大纲”中增加了探究性活动内容,并要求“在教学中必须认真实施”。我校数学科组国家级课题“《Z+Z 超级画板》与探究性学习实验”的开展,正与这大趋势产生共鸣。下面笔者谈谈《Z+Z 超级画板》(以下简称《画板》)在中学数学教学中的作用。一、揭示变化图形中不变的几何规律在相似三角形性质一节教学中,为了揭示三角形的对应中线、对应高、对应角平分线的比等于相似比这
Cultivating students’ ability to innovate and explore students’ autonomous learning mode has become the major trend of classroom teaching reform today. The newly revised “Middle School Mathematics Syllabus” has increased the content of inquiry activities and required “in the teaching must be seriously implemented”. The development of the “Z+Z Super Sketchpad” and the “Exploratory Learning Experiments” of the National Mathematics Division of our school is resonating with this trend. The following author talks about the role of “Z+Z Super Sketchpad” (hereinafter referred to as “drawing board”) in mathematics teaching in middle schools. First, to reveal the invariable geometrical law in the change graph. In the teaching of the similar triangle nature section, in order to reveal the corresponding midline of the triangle, the corresponding high, and the ratio of the bisector of the corresponding angle is similar to this