Introduce a method of an experiment studying the teaching aids and the subjective participation of students poorly skilled in mathematics. Also presented are the effectiveness analysis of the experiment and some understanding on teaching aids during the experimental research.%数学学习困难生的转化是数学教学中的老大难问题，而提高困难生的主体参与意识是实现转化的关键．学具的运用有效的提高了学生的主体参与意识．利用学具可进行有效的基本技能训练；学具是解决学生学习困难症结的有效工具；利用学具进行考核可使评价产生激励作用；学具教学活动增强了学生的合作意识．
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