通过实践研究，探索不同教学内容的重难点设计相应的微课内容，从而使学生成

Through practical research, explore the key points of different teaching content and design corresponding micro-class content, so that students can become masters of learning, and can effectively promote the development of students; through research, change teachers' educational concepts and correctly recognize effective micro-classes Teaching can have a positive effect on students, so that teachers can establish a sense of efficiency, thereby improving the quality of students’ learning and promoting the overall improvement of pupils’ mathematical literacy

Through practical research, explore the difficulties of different teaching content to design the corresponding micro-course content, so that students become the master of learning, can really and effectively promote the development of students;

Through practical research, explore the key and difficult points of different teaching contents, design corresponding micro course content, so as to make students become the master of learning and effectively promote the development of students; through research, change teachers' education concept, correctly understand the positive role of effective micro class teaching on learning and production students, make teachers establish efficiency awareness, so as to improve students' learning quality, Promoting the overall improvement of primary school students' mathematical literacy<br>