“数学源于生活,寓于生活,用于生活”。因此,在教学中,教师要善于从学生的生活中抽象数学问题,设计学生感兴趣的生活素材以丰富多彩的形式展现给学生,让学生在课堂上自由大胆表现好奇心、挑战心和想象力,培养学生处理信息、自主探索和问题解决的能力。 “Mathematics from life, living in life, for life ”. Therefore, in teaching, teachers should be good at abstracting math problems from students ’life, designing students’ interesting life materials to be presented to students in colorful forms, so that students can freely exercise curiosity, challenge heart and imagination in class , Develop students ability to handle information, self-exploration and problem solving.