[01] Hui Wang, School of Mathematics and Statistics, Shandong Normal University, Jinan, China. [02] Zezhong Yang, School of Mathematics and Statistics, Shandong Normal University, Jinan, China. [03] Yansheng Liu, School of Mathematics and Statistics, Shandong Normal University, Jinan, China.

Two years ago, the press conference held by Beijing Normal University proposed that cultivating students' core literacy is the direction of deepening the new round of curriculum reform and it was necessary to focus on the development of students' core literacy of mathematics subject as the training goal of ordinary high schools. At present, People's Education Press has written high school mathematics textbooks under the guidance of the core literacy of mathematics subject, which is expected to be officially used nationwide in the autumn of 2019. In order to better help teachers use the new textbooks to cultivate students' core literacy of mathematics subject, based on the understanding of textbooks and the requirements of implementing the core literacy of mathematics subject in ordinary high schools, this paper puts forwards specific suggestions to help teachers understand the new textbooks from a macro perspective, interpret the new textbooks from a microscopic perspective and carry out teaching activities on the basis of the textbooks. At the macro level, teachers should understand the changes of textbooks and the extent of textbooks to implement the students' core literacy of mathematics subject. At the micro level, teachers should understand the intention of material selection in textbooks, grasp the intention of the arrangement sequence of textbooks, and grasp the intention of creating the situations in the textbooks. When carrying out teaching activities on the basis of textbooks, teachers should implement the concept of "teaching with textbooks"

High School, New Textbooks, Core Literacy of Mathematics Subject

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