【教学设计】一、游戏导入突破难点１ 讲清游戏规则 :师说“１、２”,生说“２、１” ;师说“１、２、３”生则说“３、２、１”;师说“老师爱我们” ,生则说“我们爱老师”。２ 探讨游戏规则 :引导学生弄清做游戏的规则 ,从中初步悟出“倒”、“互为”的含义。３ 谈话引入新知 【Teaching Design】 First, the introduction of the game to break through the difficulties 1 to clarify the rules of the game: the teacher said “1,2”, students say “2,1” Teacher said “1,2,3” Health said “3,2,1 The teacher said ”the teacher loves us,“ and the student says ”we love the teacher.“ 2 explore the rules of the game: to guide students to understand the rules of the game, from which initially realized the ”down“ and ”mutual" meaning. 3 talk to introduce new knowledge