论文部分内容阅读
一、才艺展示脑筋急转弯。二、创设情境,自主探究师:从刚才的竞猜中,老师发现xxx同学是一位爱读书、爱动脑的孩子,所以老师要颁发给她一颗“智慧星”。你们知道这颗漂亮的智慧星是哪里来的吗?是小猴和小猫比赛时做的,你们想知道比赛结果吗?请看屏幕。1.“多一些,少一些”(课件出示):小猴34个,小猫38个。提问:谁赢了比赛?你怎么看出来的?生:38比34大,小猫的多。师:小猫做的比小猴多很多吗?得出:小猫做的比小猴多一些。(板书)提问:这句话还可以怎么说?同桌互相说一说。得出:小猴做的比小猫少一些。(板书)师:比完了星星,我们再来比比其他的吧。用“多一些,少一些”说一说。(课件出示):20个苹果,15个桃。(生自由说)
First, show talent Riddles. Second, the creation of the situation, independent research division: From just the quiz, the teacher found xxx classmate is a love to study, love the brain children, so the teacher to be awarded to her a “wisdom star.” Do you know where this beautiful, intelligent star came from? Did the monkey and the kitten play? Do you want to know the result? Look at the screen. 1. “More, Less” (Courseware): 34 monkeys and 38 kittens. Question: Who won the game? How do you see it? Health: 38 than 34, more kittens. Teacher: The kittens do a lot more than the monkey? Draw: the kittens do more than the monkey. (Blackboard) Question: What else can be said in this sentence? Draw: little monkey to do less than the kitten. (Blackboard) Teacher: Than the end of the stars, we come back than other than it. Use “more, less ” to talk about. (Courseware show): 20 apples, 15 peaches. (Freedom to speak)