本册教材包括：简易方程、数的整除、分数的意义和性质、分数的加法和减法等内容。因为其中所合概念多，知识点繁杂，学生容易混淆，所以复习时既要加强基础知识和学生的薄弱环节，又要对知识进行系统整理。只有使知识条理化，学生才能逐步做到举一反三，触类旁通。一、抓在点 This book teaching materials include: simple equation, the number of divisions, the meaning and nature of the score, the addition and subtraction scores and so on. Because of the many concepts, complicated knowledge points, students easily confused, so reviewing both to strengthen the basic knowledge and the weak links of students, but also to organize the knowledge system. Only by rationalizing the knowledge, students can gradually learn from all sides by analogy. First, grasp at the point