新课标指出:教师应激发学生的学习积极性,向学生提供充分从事数学活动的机会,帮助他们在自主探索和合作交流的过程中真正理解和掌握基本的数学知识与技能、数学思想和方法,获得广泛的数学活动经验。学生是数学学习的主人,教师是数学学习的组织者、引导者与合作者。老师的“教”是为学生的“学”而服务的。 The new curriculum standard states: Teachers should stimulate students' enthusiasm in learning and provide students with opportunities to fully engage in math activities to help them truly understand and master basic math knowledge and skills, mathematical ideas and methods in their own exploration and cooperation and exchange, Gain extensive experience in math activities. Students are the masters of mathematics learning, teachers are the organizers, guides and collaborators of mathematics learning. The teacher's “teaching” is for the student's “learning” and service.