代数是在算术知识的基础上发展而来的,它最大的特点就是用字母代表数,让数的概念与运算抽象化、公式化。这就使一些学生在学习时出现一些困难,特别是初一学生开始学习代数,对其在了解上还存在一些困难,对初中代数的特征及学生的学习情况谈几点认识。 Algebra is based on the development of arithmetic knowledge, its greatest feature is the use of letters to represent numbers, the concept of numbers and operations abstraction, formulated. This makes some students have some difficulties in learning, especially the first students to learn algebra, there are still some difficulties in their understanding of the characteristics of junior high school algebra and students to learn a few words about learning.