一、背景陈述因张老师生病住院,我临时接了她的数学课。接班第二天,在《方向与位置》的巩固练习环节中,我设计了两道开放型习题,打算以小组合作的形式进行,以期通过合作达到小组内同学互相启发,相互促进的目的;也想使学生通过亲自 First, the background statement due to sick teacher Zhang hospital, I temporarily took her math class. On the second day after graduation, I designed two open exercises in the course of consolidating the orientation and position. I intend to work in the form of group cooperation so as to achieve the mutual inspiration and mutual promotion among the students in the group through cooperation. Want to make the student pass in person