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上数学课应该做到两个心中有数,即对教材心中有数,在教学过程中对学生掌握知识情况做到心中有效。所谓对教材心中有数,就是我们平时所说的备好课.我认为备课不能理解为就是写教案,备课应该包括钻研教材,了解学生情况,教学过程设计,教具准备,然后编写教案。教案只不过是备课过程的记录。对教材做到心中有数就是对本节教材的基础是什么,又为后面的哪些知识打好基础,本节教材又是怎样编排的,为什么要这样编排,应该达到哪些要求,重点,难点,关键是什么?学生对本节教材的基础是否熟练地掌握,学习本节教材可能有哪些困难.应该分哪几个过程进行教学,使学生不仅长知识.而且长智慧。例如:两位数乘两位
On the math class should be aware of the two hearts, that is, there is ample knowledge of the teaching material, in the teaching process to master the knowledge of students to be effective. The so-called knowledge of the material, is what we usually say prepared class .I think preparation lesson can not be understood as is to write lesson plans, lesson preparation should include studying materials, understanding of the students, teaching process design, teaching aids, and then write lesson plans. The lesson plan is just a record of the lesson preparation process. The key to teaching material is what is the basis of this textbook, and lay the foundation for what the back of the textbook is how to arrange, why should such a choreography, what should be achieved, the key, the key is What? Students are familiar with the basics of this section of textbooks, what difficulties may be encountered in learning this section of the textbook. Which process should be divided into teaching, so that students not only long knowledge, but also long wisdom. For example: two digits by two