The average grade in the second grade means that when you divide the objects, you should divide them as much as possible, and you should make the number of each part equal.

In mathematics, average score can also be understood as dividing a set of numbers into equal parts, so that the values of each part are equal. This concept is often used in real life, such as giving a piece of cake to several people equally to ensure that everyone can get a fair share. The concept of average score is very useful in solving problems and calculating, which helps us to understand how to allocate resources or tasks evenly.