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教学人教版二年级下册第二单元“表内除法(一)”例题4“解决问题”时,教材上出示了例题(如图所示)。本例题的教学目标是通过求出5辆小汽车应付多少钱,学生初步学会利用乘法和除法两步计算解决简单的实际问题,并且探索解决乘除两步应用题的方法。而本节课的难点也正是两步计算解题方法的掌握。教材的情境设计比较巧妙,小汽车的单价正好被售货员阿姨给挡住了,而当小朋友问阿姨小汽车的价
Teaching PEP two second volumes of the second unit “table division (a) ” example 4 “problem solving ”, the textbook examples (as shown). The teaching objective of this example is to find out how much the five cars should cope with. Students initially learn how to solve simple and practical problems by using two-step calculations of multiplication and division, and explore ways to solve multiplication and division problems. The difficulty of this lesson is precisely the two-step calculation method to master the problem. Situational design of teaching materials more ingenious, the unit price of the car was just aunt to block the salesclerk, and when the price of aunt asked the kids car