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矩形以其丰富的特性频频亮相于中考题,尤其与折叠的结合,形式新颖,结构独特,融入丰富的数学知识和思想,更增添了矩形的个性魅力,它对培养学生的识图能力和灵活运用数学知识解决问题的能力都有非常重要的作用.解决这类问题的关键是要弄清折叠前后图形的对应关系,它主要考查点坐标、角度、线段、周长、面积、图形规律、最值、解析式等问题.现以2010年中考题为例就矩形折叠的各种类型加以归纳说明,供参考.
Rectangular with its rich features frequently appeared in the examination questions, especially with the combination of folding, new forms, unique structure, into the rich mathematical knowledge and ideas, but also adds a rectangular personality charm, it is to develop students’ ability and the ability to recognize pictures The key to solve this kind of problem is to understand the correspondence between the figures before and after folding, and it mainly examines the coordinates of points, angles, line segments, perimeter, area, pattern rules, Value, analytical and other issues now take the 2010 mid-term exam as an example on the various types of rectangular fold to be summarized for reference.