The first chapter of the seventh grade mathematics of Jiangsu Education Edition 1. 1 Life Mathematics 1.2 Activity Thinking Chapter 2 Rational Numbers 2. 1 Number less than 0 2.2 Axis 2.3 Absolute value and opposite number 2.4 Addition and subtraction of rational number 2.5 Multiplication and division of rational number 2.6 Multiplication of rational number 2.7 Mixed operation of rational number 3.65443.3 Letter representation of algebraic formula 3.4 Combining similar terms 3.5 Unpacking Chapter 4 Linear equation of one variable 4. 1 From problem to equation 4.2, solving linear equation of one variable 4.3, solving problems with equations, Chapter 5 enters the graphic world 5.65438+ 0, rich graphic world 5.2, graphic changes 5.3, unfolding and folding 5.4, and viewing Chapter 6, understanding plane graphics from three directions (1) 6. 1 line segment ray straight line 6.2 angle 6.3 understanding of complementary angle vertex angle 6.4 parallel 6.5 vertical Chapter 7 plan (figure) 7. 1 explore the conditions of parallel lines 7.2 explore the properties of parallel lines 7.3 graphic translation 7.4 understand the internal angle of triangle 7.5 and the operation of power in chapter 8 6.5438+0 power of the same base 8.2. Division of same base powers's Power and Product 8.3 Chapter 9 From Area to Multiplication Formula 9. 1 Single Multiplication Single Polynomial Multiplication Polynomial 9.3 Polynomial Multiplication Polynomial 9.4 Multiplication Formula 9.5 Re-understanding of the Law of Single Multiplication Polynomial-Factorization (1) Re-understanding of 9.6 Multiplication Formula-Factorization (2) Chapter 10 Binary Linear Equation/kloc Kloc-0/ Binary Linear Equation 10.2 Binary Linear Equation Check 12.2 Selection Statistical Chart 12.3 Frequency Distribution Table and Frequency Distribution Chart Chapter 13 Perceived Probability 13. 1 Certainty and Uncertainty13