从时代发展和教育改革的潮流来看,21世纪是知识经济时代,知识发展和更新日益加速,欲成为新时代的有用人才,必须善于学习、实践和创造。现代教育观念强调以学生为主,要求受教育者不仅是学到什么,更重要的是学会怎样学习。《新课程标准》中也指出,"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 From the trend of times development and educational reform, the 21st century is an era of knowledge-based economy, and the knowledge development and renewal are accelerating day by day. If we want to become a useful talent in a new era, we must be good at learning, practicing and creating. The concept of modern education emphasizes student-centeredness, requiring educated people not only to learn what, but more importantly, to learn how to learn. The New Curriculum Standard also states that teachers should stimulate students’ enthusiasm for learning by providing students with the opportunity to fully engage in math activities to help them truly understand and master basic math knowledge and skills in their own exploration and cooperation and exchange. , Mathematical ideas and methods, won