Need. The first-year students scored 6 points in the math exam, which means that their math scores are very poor and they need to make up lessons. The sooner they solve it, the better, because junior high school mathematics will be a little difficult in the second and third grades, and junior high school mathematics should be regarded as the basic knowledge of senior high school. If they don't make up lessons, it will affect their high school math scores. Mathematics is a discipline that studies the concepts of quantity, structure, change, space and information, and belongs to a formal science from a certain point of view.