【教学内容】人教版三年级上册第118页~119页。【教学重点】发现同时掷两个骰子,和是5、6、7、8、9的可能性大。【教学难点】探究同时掷两个骰子,和是5、6、7、8、9的可能性大的原因。【教学过程】一、激趣引入,活动铺垫师:老师想邀请几位同学来玩掷一掷骰子的游戏,谁愿意参加?(学生纷纷举手,跃跃欲试) 【Teaching content】 PEP third grade on the first 118 ~ 119 pages. [Teaching emphasis] found that throwing two dice at the same time, and the possibility of 5,6,7,8,9 large. Difficulties in teaching explore the same time throwing two dice, and 5,6,7,8,9 is the possibility of a large reason. [Teaching process] One, the introduction of fun, activities bedding Mate: teachers want to invite a few students to play throwing dice game, who would like to participate? (Students have raised their hands, eager to try)