The fifth grade mathematics provincial examination for primary school students in Jiangsu Province is held once a year. Provincial examination is to evaluate students' learning level and performance in mathematics and comprehensively evaluate students' mathematical ability. This can help schools and teachers understand students' mastery of mathematics, so as to take corresponding teaching measures. At the same time, the results of provincial examinations can also be used as a reference for students' further studies and selection. Therefore, in Jiangsu province, fifth-grade primary school students have to take the provincial mathematics exam every year.