Significance and value of mathematics: First, we can introduce the extensive application of mathematics in daily life and science, including shopping, finance, computer science, physics and so on. Let students understand that mathematics is a very useful subject, and only by mastering mathematics can they better understand the world.

Subject characteristics of mathematics: Mathematics is a highly abstract and logical subject, which requires students to have the ability to analyze and solve problems. At the same time, mathematics is also a subject that needs continuous exploration and discovery, which can cultivate students' innovative spirit and practical ability.

Math learning methods: introduce some math learning methods and skills, such as paying attention to mastering basic knowledge, learning to summarize, doing more exercises, being good at thinking and asking questions, etc.

Cultivation of interest in mathematics: through some interesting math games and puzzles, stimulate students' interest and curiosity in mathematics, and let students feel the charm and fun of mathematics.

Mathematics learning attitude: It emphasizes that mathematics learning needs a serious and responsible attitude, and requires students to take every mathematics problem seriously, develop good study habits and behavior habits, and avoid problems in future study.

In short, in the first class of mathematics, teachers can let students know the characteristics, significance and value of mathematics, stimulate their interest and curiosity, cultivate good study habits and behavior habits, and lay a solid foundation for future study.