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职业技术学校《机械制图》课是一门实践性较强的技术基础课,要求学生具有充分的空间想象能力。然而初中进入职业学校的学生,一般说来空间想象能力都比较差,因此,对制图课的学习普遍感到困难和吃力。为了提高教学效果,我校进行了教学改革,即在《机械制图》课程教学中实施“分类指导教学”。所谓“分类指导教学”是指在全面掌握教材的基础上,把教学目标由浅入深,由易到难进行排列,再根据学生的不同素质进行分类,在现行的班级授课制条件下,因材施教,主要体现在教师备课、课堂教学、作业练习、课外辅导、考核等几个方面的分类。
Vocational Technical School “Mechanical Drawing” class is a practical basic course of technology, requires students to have sufficient space imagination. However, junior high school students entering vocational schools, in general, the spatial imagination are relatively poor, therefore, drawing lessons generally difficult and difficult to learn. In order to improve the teaching effect, our school conducted the teaching reform, that is, in the “mechanical drawing” course teaching implementation of “classified guidance teaching.” The so-called “classified guidance teaching ” refers to a comprehensive grasp of teaching materials, based on the teaching objectives from the shallower to the deeper, from easy to difficult to arrange, and then classified according to the different qualities of students in the current class teaching conditions, Teaching students according to their aptitudes, mainly reflected in the teacher preparation, classroom teaching, homework exercises, tutoring, assessment and other aspects of the classification.