论文部分内容阅读
【教学内容】江苏科技出版社七年级数学下册第十章第4节“用方程组解决问题”第一课时.【教学目标】1.能正确地找出题目中的相等关系,列方程组并且求解,能够检验所得的结果是否符合实际意义,通过学习提高学生分析问题、解决问题的能力;2.经历和体验列二元一次方程组解决问题的过程,进一步体会方程组也是刻画现实世界的有效的数学模型.【教学重、难点】重点:理解题意,找出相等关系,列出方程(组).
【Content】 Jiangsu Science and Technology Press seventh grade mathematics Chapter tenth chapter 4 “problem-solving with equations ” the first lesson. [Teaching objectives] 1. Correctly identify the subject of the equal relationship, column Equations and solved, to test the results obtained in line with the actual meaning, through the study to improve students’ ability to analyze problems and solve problems; 2. experiencing and experiencing the process of solving the problem of binary linear equations, further understanding of the equations is also a description of reality The world’s effective mathematical model. 【Teaching heavy, difficult points】 Focus: To understand the problem, to find the equal relationship, lists the equations (groups).