Life and mathematics are inseparable, so is mathematics and life. Mathematics is very useful in our life as long as we observe and look for it carefully. A book says, "Mathematics is an indispensable tool for people to work, live and study." Since mathematics comes from life, let's learn mathematics together in life and feel the wonder and fun of mathematics! I gave three examples about mathematics in life:

Mathematics in Life —— Circle in Life

Recently, we are learning circles. This caused me to think about the problem that most tea cones are cylindrical. Why? Is it polite or beautiful to make the tea cone cylindrical? Or ... no, no. I don't understand! Wondering, I made up my mind to solve this mystery.

Today, there came an uncle at home who I admired since I was a child. His name is Zhuge Liang. I picked up the tea cone and prepared to make tea for him. Suddenly I had a brainwave and asked him, "Uncle, do you know why most tea cones are cylindrical?" "My uncle asked me," tell me first, why? "I don't want my uncle to look down on me. I really want to find the right answer with what I have learned.