The seventh grade mathematics test paper of China Normal University Edition uses "learning from a big perspective" and "super classroom". According to relevant public information, the broad vision of learning law is based on foundation, and some representative topics are selected from all over the country for children's training. Super classroom is based on cultivating excellent students, facing the senior high school entrance examination and challenging the competition. Relatively speaking, students who have spare capacity for study and average grades are more suitable. The two teaching AIDS focus on the foundation, promote improvement and complement each other.