“一切为了学生,为了每一位学生的发展”是新课程的教学理念,为此新课程下的课堂教学,既要师生互动起来,又要提高课堂教学的实效性。提高课堂的实效,就是在课堂40分钟获得最大的效益,达成教学目标即知识、能力、过程、方法、情感态度、价值观。让不同层次的学生也有不同的收益,课堂真正成为学生学习的主阵地。充分体现以学生为主体,老师为主导,成为学生学习的组织者、引导者、合作者。那么在课堂中 “All for students, for each student ” is the teaching concept of the new curriculum, classroom teaching under this new curriculum, it is necessary to interact with teachers and students, but also improve the effectiveness of classroom teaching. Improve the effectiveness of the classroom, that is, 40 minutes in the classroom to get the most benefit to achieve the teaching objectives that knowledge, ability, process, method, emotional attitude, values. Let different levels of students also have different benefits, the classroom has truly become the main front for students to learn. Fully reflect the students as the mainstay, the teacher-led students to become the organizer, guide, collaborators. Well in class