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在中等职业学校中,数学课教学分基础模块、职业模块、拓展模块。在这三个模块中都有三角函数知识出现,所占课时比重多,那么针对机械加工、数控技术应用、焊接、模具等专业的学生,如何让三角函数的知识与专业有机结合起来,体现出数学知识的基础性、应用性、实用性、职业性,笔者查阅相关资料,有针对性地安排了两学时三角函数在机械加工中的案例教学,希望对机加类学生有所帮助,为进一步解决职业岗位中的问题打下基础。具体做法如下:
In secondary vocational schools, mathematics teaching points in basic modules, career modules, expansion modules. In these three modules have knowledge of trigonometric functions, accounting for the proportion of lesson time, then for mechanical processing, numerical control technology, welding, mold and other professional students, how to make the trigonometric function of knowledge and professional organic combination, reflecting Mathematical knowledge of the basic, practical, professional, professional, the author access to relevant information, targeted arrangements for two hours of trigonometric functions in the case of mechanical processing teaching, hoping to machine plus class students to help further To solve the problems in professional positions and lay the foundation. Specific practices are as follows: