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【教材分析】“掷一掷”是在学生学习了“可能性”后安排的一个综合实践活动,活动以游戏的形式探讨可能性的大小,通过活动使学生在观察、猜想、试验、验证的过程中,综合利用所学的知识探讨事件发生的可能性大小。教材设计“掷一掷”游戏探讨可能性的大小,让学生经历将生活问题“数学化”的过程。同时运用连环画的形式,将富有启发性的有趣问题穿插其中,激发学生探索现象背后的奥秘,给学生充分探索和交流的空
【Textbook Analysis】 “throwing throws ” is a comprehensive practice activities arranged after the students learn “Possibility ”, activities in the form of games to explore the possibility of the size of the activities through which students observe, guess, In the process of experiment and verification, the knowledge learned from comprehensive utilization is used to explore the possibility of the occurrence of the incident. Teaching material design “throwing one throw ” game to explore the possibility of the size of the students to experience life problems “mathematical ” process. At the same time using the form of comic strips, inspiring interesting questions interspersed among them, to stimulate students to explore the mysteries behind the phenomenon, give students full exploration and exchange of space