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听了陈开懋老师的研究课《一元二次函数、方程和不等式》,我想谈四点.1.这是一节初高中衔接课这节课有其鲜明特点,它不是一节新知课,也不是一节复习课,它是一节初高中内容和方法上的“衔接课”.“一元二次函数、方程”这部分是初中知识内容,其教学要求达不到高中所需,在高中还需要加深与拓展;“一元二次不等式的解法”是高中内容,在高中
After listening to Professor Chen Kai-mao’s research class, “Quadratic Functions, Equations and Inequalities,” I would like to talk about four points. 1. This is the beginning of a high school convergence class this lesson has its own distinct characteristics, it is not a new lesson, but also It is not a review class, it is an early high school content and method on the “convergence class.” “Unary quadratic function, equation ” This part is the junior high school knowledge content, its teaching requirements can not reach the high school required , Also need to deepen and expand in high school; “solution of one yuan quadratic inequality ” is a high school content, in high school