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网格问题是指以正方形网格为背景的一类试题.近年来,随着中考从知识立意转化到能力立意,“网格”型试题因其具有直观性、可操作性,能较好地考查学生的识图、分析、归纳、想象、动手操作、自主探究等多种能力而备受青睐.网格问题通常以中低档题的形式出现,利用网格自身的特点进行图案的设计和图形变换的作图,计算线段的长度或图形的面积,探究图形的变化规
Grid problem refers to a square grid as the background of a type of test questions. In recent years, with the conversion from knowledge to conception of ability conception, “grid ” type questions because of its intuitive, practical, can be more Goodly examine the student’s knowledge map, analysis, induction, imagination, hands-on operation, self-exploration and other abilities.However, grid problems usually appear in the form of low and middle questions, using the grid’s own characteristics for pattern design And graphics transformation of the map, calculate the length of the line or the area of the graph to explore changes in the rules of graphics