一、各知识块教材的分析（一）整数教材分析１整数是小学教材的主要内客，主要包括整数的认识和读写方法，整数四则运算的意义、运算方法和运算顺序，整数和整数运算最基础的理论知识，数的整除性最基础的理论知识。２．现行教材在编排上有以下几个特点：（１）适当分段，螺旋 Analysis of textbooks (1) Analysis of Integer Textbooks 1 Integer is the main subject of primary school textbooks, including the understanding of integer and reading and writing methods, the meaning of integer arithmetic, arithmetic and operation sequence, integer and integer arithmetic The most basic theoretical knowledge, the divisibility of the most basic theoretical knowledge. 2. The current teaching materials in the choreography has the following characteristics: (1) appropriate segmentation, spiral