以学定教、新课程标准、依据学情决定教学内容、依据学情把握教学流程、依据学情选定课堂练习。新课程改革一直以“一切为了学生的发展”为核心理念,提出“学生是学习的主体,知识不是传授的,而是学习者在一定的社会文化背景下,在他人(包括教师与学习伙伴)的帮助下,借助一定的学习材料主动构建起来的。”随着新课程标准 To learn to teach, the new curriculum standards, based on the learning situation decided to teach content, based on learning to grasp the teaching process, based on the situation selected classroom practice. The new curriculum reform has been based on the core idea of ​​“all for the development of students” and put forward that “students are the main body of learning. Knowledge is not imparted. Instead, learners, under certain social and cultural backgrounds, Learning partner), with the help of certain learning materials. ”With the new curriculum standard