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一、合理处理教材是提高课堂教学有效性的前提1.整体把握内容、灵活处理教材。充分利用现有教材,根据现有教材,依据学生的认知特点、心理特点和教学实际等,实施有效的数学课堂教学。案例1:人教版小学数学第九册教材105、106页呈现了两个例子来学习中位数,教材试图通过第一个例子的教学,让学生理解中位数的内涵,掌握求奇数个数据的中位数的方法,理解中位数与平均数各自的特点和适用范围。通过第二个例子的教学,让学生进一步
First, the rational management of teaching materials is to improve the effectiveness of classroom teaching 1. The overall grasp of the content, flexible processing of teaching materials. Make full use of existing teaching materials, according to the existing teaching materials, based on the cognitive characteristics of students, psychological characteristics and teaching practice, the implementation of effective mathematics classroom teaching. Case 1: PEP mathematics ninth textbook 105,106 presents two examples to study the median, textbook trying to teach the first example, so that students understand the meaning of the median, to grasp the odd number The median data method to understand the median and average their respective characteristics and scope of application. Through the second example of teaching, get the student further