备课要心中有“纲”贾振东，耿见旭备课是教师的常规工作，备好每一节课是上好课的前提和基础。有些教师认为，备课就是写教案写教学设计，这是不全面的。每节课教学内容的选择，教学要求的确定，教学方法的优选都需要落实《九年义务教育小学数学教学大纲）｝的精神，这一... Lesson plans to mind “outline” Jia Zhendong, Geng Jian Xu lesson preparation is the teacher's routine work, prepare each class is a good lesson on the premise and foundation. Some teachers think that lesson preparation is to write lesson plans to write instructional design, which is not comprehensive. The selection of teaching content for each lesson, the determination of teaching requirements, and the optimization of teaching methods all need to implement the spirit of “nine-year compulsory education primary school mathematics syllabus”).