The reasons why students study well in Unit 2 of Mathematics, the first volume of Grade 3 of Beijing Normal University Edition.
The reason why the students in Unit 2 of Mathematics in Grade 3 of Beijing Normal University Edition learn well is that the teaching of observing objects allows students to experience the process of observation and experience: observing objects from different positions. "Observing objects" enables students to experience the knowledge points of a unit by themselves. There is no doubt that only when they have experienced the process of observation can they learn the knowledge of this unit.