1. Describe what you learned in the summer vacation. For example, you have learned the basic operation rules of addition, subtraction, multiplication and division, or you have learned to know the clock and so on.

2. Describe the math knowledge you use in your daily life. For example, if you go shopping in the supermarket with your parents, you can calculate the total price yourself, or you can count the sweets, and so on.

3. Describe your thinking process about math problems. For example, when you encounter a difficult problem, how do you think, try and finally solve it?

4. Describe your feelings and experiences about math learning. For example, you think math is interesting, or you think math is difficult, and so on.

Expand knowledge:

By writing math diary, students can deepen their understanding of mathematical concepts and problems. In the process of keeping a diary, students need to link their own mathematical knowledge with their daily life and describe mathematical problems in their own language, which is helpful to consolidate and apply mathematical knowledge. For example, when describing the concept of fractions, students can use examples from daily life to illustrate the meaning and application of fractions.

Writing about math diary can cultivate students' mathematical thinking ability and problem-solving ability. In the process of writing diaries, students need to analyze and solve various mathematical problems, such as algebraic equations, geometric proofs, probability statistics and so on. These questions can help students consolidate their mathematical knowledge and improve their mathematical thinking ability.

Writing about math diary can cultivate students' observation and creativity. In the process of writing a diary, students need to observe and analyze various mathematical problems and use mathematical knowledge to solve them. At the same time, students also need to exert their creativity to design solutions to problems. For example, when solving the problem of geometric proof, students need to observe and analyze the conditions and conclusions of the problem, and use geometric knowledge to find the method of proof.

Writing about math diary can help students improve their mathematical expression ability and self-confidence. In the process of writing a diary, students need to describe math problems and their solutions in clear language. This is helpful to improve students' mathematical expression ability. At the same time, by writing math diary, students can gradually accumulate mathematical knowledge and improve their self-confidence.

Writing about math diary can also help students develop good study habits and attitudes. In the process of writing a diary, students need to make a study plan, arrange time and sum up experience. These habits and attitudes are not only helpful to mathematics learning, but also helpful to other subjects.

Writing about math diary in summer vacation can help students consolidate their mathematical knowledge, cultivate their mathematical thinking and problem-solving ability, improve their mathematical expression ability and self-confidence, and cultivate good study habits and attitudes. These are of great help to students' mathematics study and future development. Therefore, it is suggested that students insist on writing math diary during the summer vacation, and constantly improve their math level and literacy.