Under the background of the new curriculum reform, primary school mathematics teaching increasingly emphasizes the improvement of students' learning enthusiasm, and actively realizes the adjustment of traditional primary school mathematics teaching mode, which is a common concern of primary school mathematics teachers. From the perspective of mathematical modeling, this paper actively advocates the integration of mathematical modeling into primary school teaching. Firstly, the meaning of mathematical modeling and the necessity of applying mathematical modeling in primary school mathematics system are analyzed. On this basis, this paper discusses in detail how to apply mathematical modeling to the actual primary school mathematics teaching process, hoping to draw lessons from the actual primary school teaching work.

Paper Keywords: primary school mathematics; Mathematical modeling; Modeling teaching strategy

Mathematical modeling is a new mathematical teaching method under the background of mathematical reform. Verified by a large number of primary school mathematics teachers, it really plays a positive role in improving the quality of primary school mathematics teaching and promoting students' interest in mathematics learning. Therefore, it is necessary for us to actively study the teaching strategies of mathematical modeling in primary schools.

First, the general situation of mathematical modeling

1. 1 the significance of mathematical modeling

The so-called mathematical modeling refers to solving mathematical problems by establishing mathematical models. Simply put, it is to use mathematical thinking, methods and knowledge to solve practical problems. This teaching method has become an important way of mathematics teaching at present. In many cases, mathematical modeling can make abstract problems more vivid and easier for students to understand, which is a good way to improve the actual teaching quality.

1.2 Relationship between Mathematical Modeling and Mathematics Teaching in Primary Schools

Primary school mathematics is an important part of the education system, which shoulders the teaching task of good mathematics foundation for primary school students and plays a key role in cultivating students' practical application ability of mathematics. Specifically, the relationship between mathematical modeling and primary school mathematics teaching can be analyzed from the following angles: the theoretical essence of mathematical modeling is to study the application of mathematics, which can be well integrated into mathematics teaching, so that mathematics teaching subjects can understand the charm of mathematics more deeply, thus improving the practical application ability of mathematics and improving the quality of primary school mathematics teaching. Simply put, it is to use the idea of mathematical modeling to guide primary school mathematics teaching, which can be carried out in the form of mathematical modeling. They are interrelated and interact with each other, which makes the process of mathematics teaching and learning in primary schools more efficient.

Second, the teaching strategy of mathematical modeling in primary school mathematics

We have to admit that there are still some primary school mathematics teachers who habitually use traditional teaching to teach, which is not only inconsistent with the current spirit of curriculum reform, but also detrimental to the purpose of mathematics education for primary school students in the new era. Therefore, it is necessary to actively try to use the method of mathematical modeling in primary school mathematics teaching. However, the application of mathematical modeling theory to the process of primary school mathematics is not an overnight thing, and it is often necessary to design courses from multiple angles to ensure the maximization of the advantages of mathematical modeling in promoting teaching effect. The author has made many attempts and explorations based on his many years of primary school mathematics teaching experience, especially in the application of mathematical modeling thinking to realize primary school mathematics teaching. Of course, there are also shortcomings and defects. The author's teaching experience is summarized as follows:

2. 1 Highlight the practicality of primary school mathematics and cultivate the consciousness of mathematical modeling.

In the process of integrating mathematical modeling into primary school mathematics teaching, we should highlight the practicality of primary school mathematics and let students understand that mathematics is closely related to their own lives. We can use mathematical modeling to solve mathematical problems, thus realizing the cultivation of mathematical modeling consciousness. Therefore, teachers should actively do the following work: first, fully understand students' life and reality, actively guide students to discover mathematics in life from multiple angles, and actively try to solve problems through mathematical modeling; Secondly, we attach great importance to stimulating students' enthusiasm in the process of mathematical modeling, and encourage students to actively use this method to solve problems and realize the cultivation of mathematical modeling thinking.

2.2 Give full play to students' imagination and promote the simplification of mathematics.

We know that primary school students' imagination and creativity are extremely active. Once their imagination is combined with reality, they can form stronger learning ability. We can grasp their characteristics and actively lay the foundation for promoting mathematical modeling. Specifically, for some complex application problems or arithmetic problems, teachers can set specific situations to let students integrate into them, let them better understand mathematical knowledge and concepts, and actively try to solve them; In addition, simplify mathematical problems as much as possible, guide students to deal with them through mathematical modeling, and let students freely use mathematical modeling to solve specific mathematical problems. In fact, teaching in this way can not only promote students' imagination, but also make the original complex math problems simple.

2.3 Reasonable selection of mathematical modeling cases to build a real mathematical situation.

Reasonable selection of mathematical modeling cases and construction of relatively real mathematical situations are the key to integrating students into mathematical modeling courses. Therefore, teachers should pay attention to the following aspects: cases should clearly reflect the teaching purpose, which is the conclusion drawn by teachers after analyzing the basic requirements and curriculum characteristics of the new curriculum, so as to ensure that the cases are interesting, practical and authentic, and it is best to be related to the life and study of primary school students, so as to ensure that students can participate with high enthusiasm. In addition, when choosing cases, it is best to choose cases with strong variability and obvious typical characteristics to ensure the construction of real mathematical situations.

2.4 Pay attention to the guidance of modeling process and realize students' independent modeling.

After demonstrating the process of mathematical modeling for many times, students have a clear understanding of the efficiency and process of mathematical modeling, and at this time they can be guided to carry out the process of mathematical modeling independently. Simply put, changing conditions or adjusting the situation of the original case requires students to solve practical problems through mathematical modeling. In this process, it is best to carry out cooperative inquiry to ensure the practical application of mathematical modeling ideas in primary school mathematics and gradually enable students to learn how to solve practical problems in this way.

Three. Concluding remarks

To sum up, the application of mathematical modeling in the process of primary school mathematics teaching can not only stimulate the interest of primary school students in learning mathematics, but also change the previous model of primary school mathematics indoctrination education, which is worth popularizing at present. For primary school mathematics teachers, it is necessary to keep learning mathematical modeling thinking and realize its integration in the process of primary school mathematics, so as to ensure the development and progress of primary school mathematics education in a healthier direction. It is believed that with the accumulation of practical teaching experience in this field, mathematical modeling will become an important way to improve the quality of primary school mathematics teaching, which is beyond doubt. Primary school math teachers should make their own contributions in this process.

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