Chapter 1: Rational Numbers
Chapter 2: Addition and subtraction of algebraic expressions.
Chapter 3: One-dimensional linear equations
Chapter four: the preliminary understanding of graphics.
Chapter 5: Intersection and bisection.
Chapter 6: Plane Cartesian Coordinate System
Chapter 7: Triangle
Chapter 8: Binary Linear Equation
Chapter 9: Inequality and Unequal Groups
Chapter 10: data collection, collation and description