突出基础性综合性 发挥区分选拔功能——2018年高考数学函数试题分析

Highlight the Foundation and Comprehensiveness, and Give Full Play to the Discriminant and Selection Functions: Analysis of the Items on Mathematical Functions of the 2018 College Entrance Examination

函数是中学数学的重要内容,是高考考查的重点。高考数学考查函数内容的主要特点有:全面系统,注重基础性;强调知识间的联系、交叉与渗透,体现综合性;增强试题的开放性和探究性,突出创新和选拔。中学数学教学要打牢学生的基础知识,着力培养学生的数学学科核心素养,提高学生分析和解决问题的能力。

Function is the important part of mathematics in middle school, and it is the key content of the college entrance examination. The main features of function tested in the college entrance examination of mathematics are as follows： a） comprehensive and systematic, as well as emphasis on the basic knowledge; b） emphasis on the cross- infiltration of knowledge, embody comprehensiveness; c）enhancement to the openness and inquiry, highlighting innovation and selection. Mathematics teaching in the middle schools should lay the foundation of students＇ knowledge, cultivate students＇ key competencies of mathematics, and improve their ability of analyzing and solving problems.