The first volume of the seventh grade: unit 1 rational number, unit 2 algebraic addition and subtraction, unit 3 linear equation with one variable, and unit 4 preliminary geometry. The second volume of Grade 7: intersecting lines and parallel lines in Unit 1, real numbers in Unit 2, plane rectangular coordinate system in Unit 3, binary linear equations in Unit 4, inequalities and inequality groups in Unit 5, data collection, arrangement and description in Unit 6, and the first volume of Grade 8: triangle in Unit 1, congruent triangles in Unit 2, axisymmetry in Unit 3, multiplication, division, factorization and fraction in Unit 5. Volume II of Grade 8: Unit 1 Quadratic Radical, Unit 2 Pythagorean Theorem, Unit 3 Parallelogram, Unit 4 Linear Function, Unit 5 Data Analysis. The first volume of Grade 9: Unit 1: quadratic equation in one variable, Unit 2: quadratic function, Unit 3: rotation, Unit 4: circle, Unit 5: preliminary probability. Book 2 of Grade 9: Unit 1 Inverse Proportional Function, Unit 2 Similarity, Unit 3 Acute Triangle Function, Unit 4 Projection and View. If you need the resources of electronic teaching materials, I have the website here: webpage link, 99. com。