《小学数学课程标准》指出:“义务教育阶段的数学课程应面向全体学生,实现人人学有价值的数学;人人都能获得必需的数学;不同的人在数学上得到不同的发展。”对数学这一基本理念,不同孩子的学习目标、教师的评价标准应因人而异,不能用同一个尺度去衡量,应该以人为本,在教学过程中既要面向全体又要兼顾差异,在保证基本要求的前提下,努力设计不同层次的问题,引导学生根据各自生活经验和知识背景,选择不同层次的数学活动,使每个 The Elementary Mathematics Curriculum Standard states: “The mathematics curriculum in the compulsory education phase should be aimed at all students to achieve a valuable mathematics for everyone; everybody has access to the necessary mathematics; and different people get different developments in mathematics. ”The basic idea of ​​mathematics, different children’s learning objectives, teacher evaluation criteria should vary from person to person, not on the same scale to measure, should be people-oriented, both in the teaching process should be oriented to the whole and take into account differences in the Under the premise of guaranteeing the basic requirements, efforts should be made to devise different levels of problems and guide students to select different levels of mathematical activities according to their own life experiences and knowledge backgrounds so that each