1 .rational number 2. Real number 3. Algebraic expression 4. Equation and equation 5. Inequalities and unequal groups 6. Function 7. Understanding of graphics. Cross lines and parallel lines. Triangle 10. Quadrilateral 1 1. Circle 12. Ruler drawing 65438+. +06. Trigonometric function 17. Graphics and coordinates 18. Charts and proofs 19. Statistics 20. Probability (this is the proposition and implementation rules of the senior high school entrance examination over the years)