In the teaching design of the recruitment interview of primary school mathematics teachers in Fujian Province, the grades of mathematics textbooks that are often tested are generally in the middle grade stage. If you can't prepare for the exam, read the third and fourth grades first. If you have enough time, review the third and fourth grades first, then the fifth and sixth grades, and finally 1, the second grade is the best. It is suggested that candidates should master the key articles of primary school mathematics, just in case.