一、把握时机——蓄势待发合作学习活动的展开,在一定程度上取决于课堂教学的形式、内容以及问题的难易度。因此,教师应把握时机,有目的、有针对性地展开合作学习。如在新知的引入、重难点、课题学习、拓展延伸、知识归纳小结等时,不妨采用小组合作学习方式,合理有效地组织课堂教学。另外,只有选择具有一定挑战性、开放性、探索性、研究性的问题和任务,才能有效展开小组合作学习。若选用大多数学生都能在短时间内完成的简单问题,让学生进行合作不仅浪费了宝贵的 First, seize the opportunity - Ready to start cooperative learning activities, to a certain extent, depends on the form of classroom teaching, content and difficulty of the problem. Therefore, teachers should seize the opportunity, purposeful and targeted to carry out cooperative learning. Such as the introduction of new knowledge, heavy and difficult points, subject learning, extension, summarization of knowledge summary, etc., may wish to use small group cooperative learning, reasonable and effective organization of classroom teaching. In addition, only by choosing to have some challenging, open, exploratory and research questions and tasks can we effectively carry out group cooperative learning. If you choose the simple problem that most students can accomplish in a short time, having students collaborate not only wastes valuable