You can go to the website of People's Education Publishing House, which is very specific and has electronic teaching materials. The cover is the same as the book issued by the school. Chapter 1: Reading and thinking about rational numbers 1. 1 positive and negative numbers. Positive and negative numbers indicate the allowable error of machining. Experiment and exploration of rational number addition and subtraction/reading and thinking of kloc-0/.3 Rubik's cube. China people first used the multiplication and division method of negative number 1.4 to observe and think about the mathematical truth in flop games.5438+0. 5 Summary of Mathematical Activities of Rational Numbers 1 Chapter II Addition and Subtraction of Algebra 2. 1 Reading and Thinking of Algebra 1 Dialogue with Letter X 2.2 Information Technology of Algebra Addition and Subtraction, Application of Spreadsheets and Data Calculation, Summary and Review of Mathematical Activities 2 Chapter III Unary Equation 3. 1 About "Equation" 2. Solving the one-dimensional linear equation (1)-the experiment and exploration of combining similar terms with shift terms and infinitely circulating decimals 3.3. Solving the one-dimensional linear equation (2)-removing brackets and denominator 3.4. Summary of practical problems and mathematical activities of the one-dimensional linear equation. Review Question 3 Chapter IV Preliminary Graphic Understanding 4. 1 Reading and Thinking of Color Graphics 4.2 Origin of Geometry, Measurement of Line Length Reading and Thinking 4.3 Angle 4.4 Summary of Mathematical Activities of Designing and Making Rectangular Packaging Cartons Review Question 4 Chapter V Intersecting Lines and Parallel Lines 5. 1 .2 Vertical Lines 5. 1.3 Observation and conjecture of the inner angle of the same side 5.2 Parallel lines and their judgment 5.2. 1 parallel lines 5.3. 1 parallel lines 5.3.2 Propositions and theorems 5.4 Summary of translation teaching activities Chapter VI Simple application of plane rectangular coordinate system 6. 1 Simple application of 6.2 coordinate method in plane rectangular coordinate system Reading and thinking Chapter VII Summary of teaching activities Triangle 7. 1 Line segment related to triangle 7.65 Application of information technology in the stability of triangle with median line and angular bisector 7. 1 .3 7.2.2 Reading and Thinking of Triangle Outer Corner 7.3 Multi-element Deformation and Reading and Thinking of its Inner Corner 7.4 Summary of Teaching Activities of Learning Mosaic 7.4 Chapter 8 Binary Linear Equation System 8. 1 Binary Linear Equation System 8.2 Elimination-Solution of Binary Linear Equation System 8. 3 Reading and Thinking of Practical Problems and Binary Linear Equation System * 8.4 Summary of Teaching Activities Chapter 9 Inequality and Inequality Group with Examples of Solving Trivariate Linear Equation 9. 1 Inequality Reading and Thinking 9.2 Practical Problems and Experiment and Exploration of Univariate Linear Inequality 9.3 Summary of Teaching Activities Chapter 10 Reading and Thinking of Univariate Linear Inequality Group 10./Statistical Investigation, Experiment and Exploration10