1, the topic should be small, focused and targeted.

2. These opinions should be true, unique, emotional and innovative.

3. Express what you want to express in your own language.

4, vivid, write your interest in mathematics.

"Mathematical Thesis" is a written record of students' learning experience in mathematics, which allows students to describe their mathematical problems and their solutions in the form of diaries.

It can be students' understanding and evaluation of a certain mathematical problem, their true mentality and thoughts in mathematical activities, the problems encountered in comprehensive mathematical practice activities, and the process of solving mathematical problems in life by using the learned mathematical knowledge.

For example:

Mathematical problems in RMB

One day, my mother and I went shopping. Mom went into the supermarket to buy things and let me stand at the place where I paid. I have nothing to do, just watch the assistant aunt collect money.

After reading it, I suddenly found that the money collected by the assistant aunt was 1 yuan, 5 yuan, 10 yuan, 20 yuan and 50 yuan, 100 yuan. I find it very strange: Why are there no 2 yuan, 3 yuan, 4 yuan, 6 yuan, 7 yuan, 8 yuan, 9 yuan or 30 yuan, 40 yuan or 60 yuan in RMB?

I ran to ask my mother, and my mother encouraged me to say, "Think hard and calculate well. My mother believes you can figure out the reason." I calmed down and thought it over.

After a while, I jumped up happily: "I know, because as long as you have 1 yuan and 5 yuan, you can form 2 yuan, 3 yuan, 4 yuan, 6 yuan, 7 yuan, 8 yuan and 9 yuan at will, and as long as you have 10 yuan, 20 yuan and 50 yuan, you can also form 30 yuan, 40 yuan and 60 yuan."

My mother nodded straight and asked me another question: "If it's just for random combination, isn't 1 yuan enough?" ? Why 5 yuan, 10 yuan, 20 yuan? "

I said, "It is not convenient to form a larger number with 1 yuan." Now my mother shows a satisfied smile and praises me for observing more and thinking more. I am really more comfortable than eating my favorite ice cream.