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新教材内容的编排方式是“问题情境—建立模型—解释与应用”。但部分教师过于注重情境的热热闹闹,或外在形式的东西,忽视了把握好数学的本质进行教学,导致课堂数学教学低效甚至无效。那么,如何根据数学学科自身特点,把握好数学本质,构建有效课堂呢?一、把握好数学本质进行预设,建立正确数学概念一堂数学课的教学效益高与低,与教师对教材内容最本质东西的理解与把握有着密切关系,教师对一堂课
The layout of the new textbook is “Problem Context - Model Creation - Interpretation and Application”. However, some teachers pay too much attention to the situation of the bustling, or external forms of things, ignoring the essence of mathematics to grasp the teaching, resulting in inefficient classroom teaching or ineffective. So, how to grasp the nature of mathematics according to its own characteristics, to build an effective classroom? First, grasp the nature of mathematics presupposed to establish the correct mathematical concept of a high mathematics teaching efficiency and low, and teachers the most essential to the content of the textbook There is a close relationship between the understanding and grasping of something