The first volume of fifth-grade mathematics published by Beijing Normal University is actually the content of the first volume of sixth-grade mathematics published by People's Education Press. The content of Beijing Normal University Edition is always deeper than that of People's Education Edition. In fact, the final content of Beijing Normal University Edition and People's Education Edition is similar, and the amount of students' learning is similar. The key lies in the teacher's teaching and the students' understanding! I hope I can help you!