论文部分内容阅读
【案例】教学北师大版教材一年级下册“十几减9”一课时,课伊始,教师用课件创设了“碧波荡漾的海洋世界”这一教学情境。一只海豚说:“欢迎小朋友们来到海豚文具店。”这时,一只小海星来到文具店说:“海豚阿姨,我买9支铅笔。”当海豚拿出1捆10支铅笔和散装的3支铅笔放在柜台上时,教师将画面定格。师:看了刚才的动画片,你能提出哪些数学问题?生1:小海星为什么要买铅笔?生2:小海星为什么要到海豚开的文具店里买,而不去别的文具店呢?生3:海豚阿姨为什么要开文具店?
[Case] Teaching Beijing Normal University version of the textbook first grade book “Less than 9 ” a class, the beginning of the class, the teacher created courseware “rippling ocean world ” the teaching situation. A dolphin said: “Welcome children to dolphin stationery store.” “At this moment, a little starfish came to the stationery store and said:” Aunt dolphin, I bought nine pencils. “” When the dolphin took out a bundle When 10 pencils and 3 pencils in bulk were put on the counter, the teacher fixed the frame. Teacher: Looked at the cartoon just now, what math problems can you ask? Student 1: Why do you buy a small pencil? Health 2: Why do you have to buy a dolphin in a stationery store instead of a stationery store? Health 3: dolphin aunt Why open stationery shop?