分层次设计数学课堂练习灵武县教研室徐长春初中代数知识是一个内在联系十分紧密的整体系统．学生对数学知识的理解与运用过程也是一个渐进的过程．教师设计练习题应注意分层次体现循序渐进．练习题的设计一般可分为两个小系统．系统一：基础训练题→准备题；系统二：尝试... Hierarchical design mathematics classroom practice Lingwu County teaching and research section Xu Changchun junior high school algebra knowledge is an intrinsically linked overall system. The process of understanding and using mathematics knowledge is also a gradual process. The teacher’s design exercises should pay attention to the gradual progress of the hierarchy. The design of practice questions can generally be divided into two small systems. System One: Basic Training Questions → Preparation Questions; System Two: Attempt...