As a new form of teaching under the rapid development of the information society,micro-courses are being paid more and more attention by educational researchers, experts and scholars. Micro-courses have the characteristics of short time, strong pertinence,refined content and flexible use. They can be applied to all stages and all kinds of courses,in line with the development of the times and the requirements of learners. Micro-course can save teaching time, promote students’ self-learning, improve teaching efficiency, and realize resource sharing.Taking into account the actual situation and the feasibility of the research, this paper chooses the junior high school mathematics as the research point,designs and applies a part of proposition micro-courses , trying to explore students comprehensive evaluation of this type of micro-courses.In this paper, three kinds of research methods, such as literature analysis, interview and questionnaire survey, are used to explore and study the junior high school mathematics proposition type micro-courses.First , through the study of the literature, this paper summarizes the relevant research status of micro-courses at home and abroad,and tries to summarize the concept of micro-courses, the concept of mathematical proposition, the concept of proposition type micro-courses and theoretical basis,provides a certain theoretical support.Through the way of questionnaire survey to understand the students’online autonomous learning and the preliminary understanding and evaluation of micro-courses, and explains the necessity and feasibility of micro-courses design development and application inquiry.According to the previous theoretical research, this paper gives the general application of proposition type micro-courses and the general principles of proposition teaching,and then designs students’ questionnaire and teachers’ questionnaire, to examine students’proposition learning and pave the way for the research of this thesis.At the same time,through the analysis of the contents of teachers’ questionnaire, this paper puts forward principles that proposition type micro-courses should obey in the design process, which are pertinent principle,learner - centered principle,fluency principle,interesting principle,interaction principle and relevance principle.Based on the analysis of teacher interviews and the previous research on propositions and micro-courses, this paper presents the design process analysis of proposition type micro-courses. At the same time, two typical proposition type micro-courses are selected,namely, "Rational addition rule" and "The Pythagorean theorem", and analyzes the curriculum design process from the topic selection,design ideas,scripts and make several aspects respectively. Then summarizes the characteristics and differences of these two proposition type micro-courses.Through the practical application of a proposition type micro-courses, this paper uses the form of students’ questionnaire to explore the students’preliminary understanding and comprehensive evaluation of this micro-course.Finally,This paper sums up the research results and innovation , and puts forward a lot of problems in the research and the direction of further research. |