一、教学理念有效新课程理念要求把学生的发展作为教学的出发点。因此,数学教学活动必须建立在学生的认知发展水平和已有的知识经验及生活经验的基础上,教学活动的素材应有利于激发学生的学习积极性,同时,通过有效的教学活动的开展,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 First, the concept of effective teaching New curriculum requires the development of students as a starting point for teaching. Therefore, mathematics teaching activities must be based on the level of cognitive development of students and existing knowledge and experience based on life experience, the material of teaching activities should be conducive to stimulate students’ enthusiasm for learning, at the same time, through effective teaching activities, Provide students with opportunities to fully engage in math activities and help them to truly understand and master basic math knowledge and skills, mathematical thinking and methods during their own exploration and cooperation and exchange