Grade 7 (1) (6 1) Chapter 1 Rational Numbers (2 1) 1. 1 positive and negative numbers 1.2 Rational Numbers 1.3 Rational Numbers Addition and subtraction 1. 38+0 From Formula to Equation 2.2 From Ancient Mathematical Books-Discussion on the One-Yuan Linear Equation (1) 2.3 From the Problem of Buying Cloth-Discussion on the One-Yuan Linear Equation (2) 2.4 Re-exploring the Practical Problem and the One-Yuan Linear Equation (14)3. 1 3.3 Comparison of the measured line segments with the angle. What kind of animals do students like best-comprehensive survey example 4.2 eyesight survey of primary and secondary school students-sampling survey example 4.3 topic learning survey "How do you deal with used batteries?" Level 7 (below) (6 1) Chapter 5 Intersection and Parallel Lines (15) 5. 1 Intersection 5.2 Parallel Lines 5.3 Properties of Parallel Lines 5.4 Translation Chapter 6 Plane Cartesian Coordinate System (8) 6. 1 Simple Application of Plane Cartesian Coordinate System 6.2 Method Chapter 7 Triangle