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1设计简述1.1学情说明相似图形的性质与锐角三角函数相关知识的综合运用可以解决一些物体的高度(或长度)问题,其中蕴涵对学生实践能力的培养,因此,在近年各地中考数学卷中出现频率较高。本课例在设计时考虑全体学生重点关注,中等学生的可接受性,适当兼顾优秀学生的拓展需求。教学中须充分重视学生的当堂训练量与训练效果的反馈评价。
1 Description of the Design 1.1 The Description of the Emotional Intelligence The comprehensive use of the properties of similar figures and the related knowledge of acute trigonometric functions can solve the problem of the height (or length) of some objects, which implies the cultivation of students’ practical abilities. Therefore, in recent years, In the higher frequency. This lesson plans to consider all students focus on the design, the acceptability of secondary students, give due consideration to the development needs of outstanding students. In teaching, full attention should be paid to the feedback evaluation of students’ training amount and training effect.