A symbol that often appears in junior high school mathematics is the asterisk. The asterisk stands for multiplication and is usually used to represent the product of two numbers. For example, to calculate 3 times 4, it can be written as 3*4= 12, where * is an asterisk. When solving some math problems, we often need to use the asterisk symbol, so junior three students need to master its usage.

Besides multiplication, asterisks have other uses in mathematics. In algebra, the asterisk is usually used to represent the product of variables. For example, there is an algebraic expression a*b*c, which represents the result of multiplication of three variables A, B and C. In addition, in some statistical terms, the asterisk is often used to indicate the significance level of a result, which usually means that the result is statistically significant.

There are many knowledge points in junior high school mathematics that need to use the asterisk symbol, so it is very important to master the correct use of the asterisk. In addition, students need to pay attention to the writing norms in math homework to avoid confusing asterisks with other symbols and affecting the calculation results. I hope students will study hard and master the usage of this symbol skillfully to improve their math scores.