First of all. It is necessary to review the common formulas learned in primary school (such as the solution of the perimeter and area of various common graphics). ), common application problems are summarized and classified. Generally, the first grade is a one-dimensional linear equation. Analyzing problems has the same ambition.

Second. If you have time to preview new textbooks, you'd better find someone to tutor you. I don't know what textbook you use. You'd better try this exercise. Usually, it is difficult for students to understand the knowledge about reciprocal and absolute value in the chapter of rational numbers.

Third. The adjustment of mentality requires psychological preparation. There should be a difference between the study life in junior high school and that in primary school. The pace of study may be tight, so we should adjust our mentality quickly.