高三数学学案是组织高三数学课堂的一种重要教学手段和工具,是教师综合各方面的因素以及本节课的教学任务编制的具有实用性及可操作性的资料.例题作为学案的重要的组成部分,在学案中的作用是毋庸置疑的.选用什么样的例题、所选取例题的质量如何,直接关系到课堂教学效果和教学质量.特别是在学讲模式的大环境下,如何编制一份质量上乘的学案,就要恰当地选取例题.例题的选取要注重一下几个原则.一、科学性的原则 The third grade mathematics case is an important teaching tool and tool for the third grade mathematics class. It is a comprehensive factor for teachers and the practical and practical information for the teaching tasks of this lesson. Sample questions are important for the academic case. The role of the components in the school case is undoubted. The choice of the sample questions and the quality of the selected examples are directly related to the effectiveness of classroom teaching and teaching. Especially in the context of learning to speak, how to compile a For a good quality academic case, examples should be properly selected. The selection of examples should pay attention to several principles. First, the principle of science