问题是教学研究的出发点,是生长新思想、新方法、新知识的种子,是产生学习的根源,是数学的心脏和灵魂。新课程对教师提出的最大挑战是教师要具有课程意识、学生意识、开放意识、问题意识。“问题意识”是指问题成为学生感知和思维的对象,从而在学生心里造成一种悬而未决但又必须解决的求知状态。在新课程理 The problem is the starting point of teaching and research. It is the seed for the growth of new ideas, new methods and new knowledge. It is the root of learning and the heart and soul of mathematics. The new curriculum proposed to teachers the biggest challenge is that teachers should have curriculum awareness, student awareness, open awareness, awareness of the problem. “Problem consciousness ” refers to the problem becomes the object of the students ’perception and thinking, thus creating an unresolved but need to know the state of knowledge in the students’ hearts. In the new curriculum management