目前 ,由于缺乏系统适用的教科书和严谨可靠的评价体系 ,使我国中度智力残疾儿童的特殊教育面临极大的困难。我们试图通过文献资料的分析和实际的教学实验研究 ,尝试编写出适合于弱智学校和普通学校特教班使用的中度智力残疾学生“实用语算”系统教材。并在此基础上 ,研究开发配套使用的教具和学具 ,编制适宜的教学评价体系。经过前期的研究 ,我们已形成一些理论上的认识和基本原则 ,努力处理好以下几个方面的关系。1 ,在教学目的上 ,处理好人格培养、能力发展和知识学习的关系 ;2 ,在教学内容上 ,处理好个体心理发展内在逻辑与知识体系内在逻辑的关系 ;3,在教学方法上 ,处理好教与学的关系 ;4 ,在教学形式上 ,处理好班级授课与个别教学的关系 ;5,在教学评价上 ,处理好评价与目的的关系 ;6,在教材选编上 ,突出地方特色与统一文化背景的关系。 At present, due to the lack of systematic application of textbooks and rigorous and reliable evaluation system, the special education of children with moderate intellectual disabilities in our country faces great difficulties. Through the analysis of the literature and experimental teaching experiments, we attempt to write a “Practical Calculation” system for moderately disabled students who are suitable for mentally handicapped and ordinary school special classes. And on this basis, research and development supporting the use of teaching aids and learning tools, the preparation of appropriate teaching evaluation system. After preliminary study, we have formed some theoretical understanding and basic principles, and strive to handle the following aspects of the relationship. 1, in teaching purposes, to deal with the relationship between personality development, ability development and knowledge learning; 2, in the teaching content, to deal with the internal logic of individual psychological development and the inherent logic of knowledge system; 3, in teaching methods, Good teaching and learning relationship; 4, in teaching form, handle class teaching and individual teaching relationship; 5, in teaching evaluation, handle the relationship between evaluation and purpose; 6, in the selection of textbooks, highlighting the local characteristics and The relationship of a unified cultural background.