The four basics refer to the basic knowledge, skills, thoughts and activities of mathematics.

Students' mathematics literacy is reflected in these four aspects, that is to say, traditional mathematics education only pays attention to basic knowledge and skills, which are two very important aspects for students to lay a good foundation, but it is not enough for students to have knowledge and skills. Students should learn to think, experience and experience, and the basic ideas and activities behind them are developed on the basis of knowledge and skills. This development is actually to let students learn mathematical thinking.