新课程的理念倡导预设之外的生成,课堂上师生互动的过程,需要教师对学生的学习兴趣和心理需求作出价值判断,调整预设的教学活动,以适应和促进学生更加有效地学习。预设与生成教学是一个师生共同学习、共同建构的教学发展过程,是一种开放的、互动的、多元的新型教学形式。在教学《分数的初步认识》时,我亲切地与学生沟通,使得课堂气氛轻松愉悦,有条不紊地演绎着自己的教学设计,前半节课异常地顺利,几乎完全是按我设计的流程进行的,到第三环节,我让学 The concept of the new curriculum advocates the generation of pre-set, the interactive process of teachers and students in the classroom, teachers need students to study interest and psychological needs to make value judgments, adjust the default teaching activities to adapt and promote students to learn more effectively . Pre-setting and generating teaching is a teaching development process that teachers and students learn together and construct together. It is an open, interactive and diversified new teaching form. In teaching “a preliminary understanding of scores”, I kindly communicate with the students, making the classroom atmosphere relaxed and happy, methodically interpret their own teaching design, the first half of the class was unusually smooth, almost entirely according to my design process, To the third part, I let learn