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《平行四边形的判定(一)》是现行初中数学人教版八年级下册第十九章《四边形》第一节第二小节内容,页码是86—87页.下面从教材分析、学情分析、教学方法、学法指导、教学流程、板书及时间设计等六个方面进行阐述.1教材分析1.1教材的地位与作用横向联系:“平行四边形的判定(一)”是第十九章“四边形”的重点内容之一,也是难点之一.它渗透了类比、转化和数形结合等许多重要的数学思想.纵向发展:四边形是人们日常生活中应用较广的一种几何图形,而平行四边形又是最基本的四边
“Parallelogram of the judgment (a)” is the current junior high school mathematics PEP eighth graders Volume nineteenth chapter “quadrilateral” second section of the first section, page number is 86-87 page below from the textbook analysis, academic analysis , Teaching methods, learning law guidance, teaching process, writing and design of time and other six aspects of the book .1 textbook analysis 1.1 the status and role of teaching materials horizontal relationship: “parallelogram judgment (a) ” is the nineteenth chapter It is also one of the key points of the “Quadrilateral ”, which infiltrates many important mathematical ideas such as analogy, transformation and combination of numbers, etc. Longitudinal development: Quadrilateral is a kind of widely used geometric figure in people’s daily life , And parallelogram is the most basic four sides