The first volume of eighth grade mathematics mainly includes rational numbers, addition and subtraction of algebraic expressions, linear equations of one variable, geometric figures and so on. These knowledge points play a connecting role in junior high school mathematics, so the topic is relatively difficult. For example, the operation of rational numbers involves concepts such as positive number, negative number and absolute value, which requires students to master various operation rules and skills; The addition and subtraction of algebraic expressions involves the concept of similar terms and the merging method, which requires students to have strong logical thinking ability; The solution of a linear equation requires students to master the nature and solution of the equation and cultivate their ability to analyze and solve problems; The study of geometric figures involves the nature and relationship of basic elements such as points, lines and surfaces, which requires students to have certain spatial imagination ability.
In addition, the difficulty of the math problems in the first volume of the eighth grade is also reflected in the requirements for students' ability to comprehensively apply what they have learned to solve practical problems. Many topics require students to integrate what they have learned and apply it to solving practical problems, which puts higher demands on students' comprehensive quality and thinking ability.
In a word, the math problems in the first volume of the eighth grade are more difficult than those in other grades of junior high school, which are mainly reflected in the mastery of basic concepts, theorems and methods and the ability to solve practical problems by comprehensively applying the learned knowledge. In the process of learning, students need to constantly consolidate basic knowledge and cultivate good study habits and ways of thinking in order to better cope with the challenges of mathematics learning at this stage.