论文部分内容阅读
视图与投影是中考必考内容,所涉及的试题从难度层面看属于容易或中等,是学生中考不容失分的部分,《全日制义务教育数学课程标准(实验稿)》(下文简称《课标》)指出:"(要让学生)经历探索物体与图形的基本性质、变换、位置关系的过程,掌握三角形、四边形、圆的基本性质以及平移、旋转、轴对称、相似等的基本性质,初步认识投影与视图,掌握基本的识图、作图
Views and projections are the contents of the exam. The questions involved are easy or medium from the perspective of difficulty. They are part of the student’s incomparable exam. “Full-time compulsory education mathematics curriculum standards (experimental draft)” (hereinafter abbreviated as “curriculum” ”) pointed out: “(to allow students to) to explore the basic nature of objects and graphics, transformation, positional relationship process, master the basic nature of triangles, quadrilaterals, circles and the basic nature of translation, rotation, axisymmetric, similar, etc. A preliminary understanding of projections and views, mastering basic maps and drawings