Research On Teaching Strategy Of High School Sequence Based On Cultivation Of Logical Reasoning Literacy

In 2018,the Ministry of Education issued the "Mathematics Curriculum Standards for Ordinary Senior High Schools(2017 Edition)",which pointed out that senior high school mathematics teaching should be guided by developing students’ core literacy in mathematics,and condensed six core literacy in mathematics.This paper studies the logical reasoning literacy and its teaching strategies in senior high school.This paper mainly adopts literature research method and investigation research method.By analyzing the logical reasoning quality contained in the contents of sequence in the textbooks,the following conclusions are drawn: deductive reasoning is generally directly reflected in the process of problem solving,while inductive and analogical reasoning is generally implied in the expansion of problems and the connection between problems;The arrangement of the contents of the sequence follows the order of induction,analogical reasoning,deductive reasoning and logical reasoning.Logical reasoning is inherent in the solution of sequence problems.Through the questionnaire survey of the students and the interview with the teachers,the following conclusions are drawn: the students’ logical reasoning accomplishment level is at the level of level TWO;The level of logical reasoning literacy of senior three students is higher than that of senior two students.Students do not pay much attention to the in-depth understanding of basic concepts and propositions.For example,they tend to ignore the value range of the serial number N.Students’ awareness of exploration needs to be strengthened.For example,students are prone to give up or fail to find a clue when they are faced with more complex sequence problems.Students have some difficulties in mathematical operation in sequence;The students’ expression ability is general,especially the expression of inductive and analogical reasoning process;Students are afraid of difficulties in the learning process.Logical reasoning is directly reflected in the exploration activities of problems,and logical reasoning literacy is inseparable from the support of basic knowledge,mathematical operation and expression ability.Based on the above research,this paper gives the following teaching strategies from three perspectives :(1)teachers’ own development,grasping the context of logical reasoning accomplishment;(2)Understand basic knowledge and consolidate logical reasoning accomplishment;(3)Cultivate exploration consciousness and develop logical reasoning accomplishment;(4)Optimize mathematical operations and consolidate logical reasoning literacy;(5)Improve presentation ability and improve logical reasoning accomplishment;(6)Pay attention to after-class communication and students’ logical reasoning accomplishment.Finally,based on the teaching strategy,a teaching design case of The Concept of sequence is given.