1, basic concepts: number, algebra, equation and equation, function, image and other basic concepts.
2. Introduction: Basic knowledge of junior high school mathematics, such as four operations, fractions, decimals, algebraic expressions, linear equations with one yuan, quadratic equations with one yuan, simple function basis, etc.
3. Improve the article: Junior high school mathematics development, involving plane geometry, trigonometric functions, vectors, inequalities, complex numbers and other knowledge points.
Mathematical progressive method refers to deepening the basic concepts step by step in mathematics teaching and teaching step by step according to the classified knowledge points.