义务教育小学数学大纲指出“学生初步的逻辑思维能力的发展，需要有一个长期的培养和训练过程，要有意识地结会教学内容进行。”对学生进行素质教育，达到大纲规定的水平，在教学中就必须紧扣教材，努力发展学生初步逻辑思维能力，出就是废弃学生摘领规范的操作刀，敏捷尖锐的 Compulsory primary school mathematics outline pointed out that “the development of students' initial logical thinking ability requires a long-term training and training process, which should be carried out consciously and conclusively.” The quality of education for students reaches the level stipulated in the outline of teaching In which must be closely linked to teaching materials, and strive to develop students initial logical thinking ability, out of the abandoned students to take the standard operating knife sharp agile