《数学课程标准》要求“重视从学生的生活经验和已有知识中学习数学和理解数学”,指出“数学教学必须从学生熟悉的生活情景和感兴趣的事情中提供观察和操作的机会,使他们感受到数学就在身边,感受到数学的趣味和作用,对数学产生亲切感。”这就要求教师不但要把生活引进课堂,而且 The Mathematics Curriculum Standard requires that “emphasis be placed on learning math and understanding of math from student life experiences and prior knowledge,” stating that “math teaching must provide opportunities for observation and manipulation from the familiar life contexts and things of interest to enable They feel that mathematics is right around them, feel the taste and function of mathematics, and have a sense of familiarity with mathematics. ”This requires that teachers not only introduce life into the classroom, but also