数学课程标准指出:学生是数学学习的主人,教师要向学生提供充分的从事数学活动的机会,帮助他们在自主探究和合作交流的过程中真正理解和掌握基本的数学知识和技能、数学思想和方法,获得广泛的数学活动经验。伴随着新课程的实施与推进,数学课堂出现了可喜的变化,课堂变“活”了、 The standard of mathematics curriculum states: Students are the masters of mathematics learning. Teachers should provide students full opportunities to engage in mathematics activities so as to help them to truly understand and master the basic knowledge and skills of mathematics, mathematics and ideology in the process of self-exploration and cooperation and exchange Method, gain extensive experience in math activities. With the implementation and advancement of the new curriculum, there has been a welcome change in the mathematics classroom, the classroom has become “alive”