At the national level. Hope Cup 1990, founded by the state, is one of the few large-scale mathematics competitions in primary schools. The prize of this competition belongs to the national level, and the competition is founded for all primary school students. Hope Cup is a national mathematics invitational tournament, and it is also one of the four major mathematics competitions for primary school students in Beijing (the other three are "Demonstration of Mathematical Problem-solving Ability", "Huajin Cup Junior Mathematics Invitational Tournament" and "Walking into the Wonderland of Mathematics").