人教新课标三年数学科上册《掷一掷》.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,掷一掷,体验活动课,授课：潘明玲,授课班级：305,骰子罐,骰子烟灰缸,骰子笔筒,首先，让我们,先来猜猜，两个,骰子同时掷出，,和可能是多少？,2,4,4,1,12,11,10,9,8,7,6,11,10,9,8,7,6,5,10,9,8,7,6,5,4,9,8,7,6,5,4,3,8,6,5,3,2,7,6,5,4,1,6,5,4,3,2,和,3,7,2,2,1,12,11,10,9,8,7,6,11,10,9,8,7,6,5,10,9,8,7,6,5,4,9,8,7,6,5,4,3,8,6,5,4,2,7,6,5,4,1,6,5,4,3,2,和,7,3,3,3,1,12,11,10,9,8,7,6,11,10,9,8,7,6,5,10,9,8,7,6,5,4,9,8,7,6,5,4,3,8,6,5,4,2,7,6,5,4,1,6,5,4,3,2,和,7,4,1,12,11,10,9,8,7,6,11,10,9,8,7,6,5,10,9,8,7,6,5,4,9,8,7,6,5,3,8,6,5,2,7,6,5,1,6,5,4,3,2,和,7,5,1,12,11,10,9,8,7,6,11,10,9,8,7,6,5,10,9,8,7,6,4,9,8,7,6,3,8,6,2,7,6,1,6,5,4,3,2,和,7,6,1,12,11,10,9,8,7,6,11,10,9,8,7,5,10,9,8,7,4,9,8,7,3,8,2,7,1,6,5,4,3,2,和,7,7,1,12,11,10,9,8,6,11,10,9,8,5,10,9,8,4,9,8,3,8,2,1,6,5,4,3,2,和,8,1,12,11,10,9,6,11,10,9,5,10,9,4,9,3,2,1,6,5,4,3,2,和,9,1,12,11,10,6,11,10,5,10,4,3,2,1,6,5,4,3,2,和,10,1,12,11,6,11,5,4,3,2,1,6,5,4,3,2,和,11,1,12,6,5,4,3,2,1,6,5,4,3,2,和,12,2,3,4,5,6,7,8,9,10,11,12,和,游戏规则：,八个小组同时和,老师来进行比赛掷骰,子，如果掷出的两个,骰子的和，是谁挑的,数就算谁赢。,共掷20次决定输赢。,记录方法：,用“正”字,统计法记录。,赢的次数,老师,学生,再掷20次，根据,两个骰子的和，来涂,格子统计。,4,1,12,11,10,9,8,7,6,11,10,9,8,7,6,5,10,9,8,7,6,5,4,9,8,7,6,5,4,3,8,6,5,3,2,7,6,5,4,1,6,5,4,3,2,和,3,7,2,9,8,7,9,8,7,6,9,8,7,6,5,9,8,7,6,5,8,6,5,7,6,5,7,把你今天上课的,收获以数学日记的形,式记录下来。,掷一掷,体验活动课,授课：潘明玲,授课班级：305,