教学内容苏科版教材八年级上册第五章第三节“一次函数”.学情分析我在数学教学中采取跑班制的分层教学.将两个班级,按照数学成绩分成提优班和培优班,提优班的学生注重提高,培优班的学生注重基础.针对这两个不同班级的学生的差异,对教学目标和重难点以及教学过程采取不同的方法.教学目标【共同目标】1.结合具体情境体会一次函数与正比例函数的 Teaching content Suke textbook eighth grade fifth chapter fifth chapter third “first order function ” .Analysis of intelligence I take the teaching of classes in the teaching of the hierarchical running class will be divided into two classes, according to the mathematical results into Class and training excellent class, improve the class students focus on improving, training students focus on the foundation for the two different classes of students differences in teaching objectives and difficulties and teaching methods and take a different approach. Common goal] 1 combination of specific situations to experience a function and a proportional function