The questions are too frequent and

The questions are too frequent and the key content is not prominent. Since the new curriculum reform, the status of students as the main body of the classroom and student participation in the classroom and the interaction between teachers and students have received increasing attention. . But many teachers have corrected too much in this regard and there are too many design problems, which makes classroom teaching too dispersed. However, students need a relatively continuous process to understand and memorize mathematical knowledge. Frequently asked questions will make the students' knowledge accumulation process intermittent, which will inevitably lead to decreased efficiency of student learning.