As a national compulsory course, comprehensive practical activity course is included in the national curriculum plan, with 3 class hours per week. However, many instructors of comprehensive practical activity classes are confused about how to arrange these three classes. Some teachers unilaterally think that comprehensive practical activities are to let students go out of the classroom to investigate, visit, inspect and engage in activities, which leads to students' blind activities. Primary school is a school where people receive formal education in the primary stage and is an important part of basic education. Generally, 6- 12 years old is the suitable age for primary school students. The length of primary education is 6 years, and in some areas it is 5 years. Courses offered include Chinese, mathematics, English, morality and rule of law, science and so on.
The teaching and research topics of primary school mathematics are: 1, the research on cultivating students' problem-solving ability in the teaching of "synthesis and practice" of primary school mathematics, and the research on the present situation and countermeasures of situation design of primary school mathematics problems under the background of core literacy. 3. Research on cultivating students' practical ability and its evaluation method in primary school mathematics teaching. 4. Research on the cultivation of computing ability of senior students in rural primary schools under the core literacy of mathematics. 5. Research on the effectiveness of primary school math homework design based on developing students' core literacy.