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一“除数是两位数的除法”第一课时,不同版本教材的情境,比较相似的是:北师大版教材中,本课的情境问题是:一个书包20元,80元可以买多少个书包?人教版教材中,本课的情境问题是:有80个气球,每班20个,可以分给几个班?苏教版教材中,本课的情境问题是:60本《科学天地》,每20本打一包,要打几包?巧合的是,近几年,笔者曾先后在不同地方听过这一内容不同版本的教材的公开教学,其教学过
A “Divisor is a two-digit division ” The first lesson, different versions of teaching materials, the situation is more similar to: Beijing Normal University textbook, the lesson of the situation is: a bag of 20 yuan, 80 yuan can buy How many bags? PEP textbook, the lesson of the situation is: there are 80 balloons, each class 20, can be divided into several classes? Su teach version of teaching materials, the context of this lesson is: 60 “ Science and world ”, playing a pack of 20, to fight a few packages? Coincidentally, in recent years, I have heard in different places in different parts of the different versions of the teaching materials of public teaching, teaching