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“九义”小学数学教材编入了含有多余条件的应用题,使题目数量关系变得复杂和迷离。有的教师对这类应用题认识不足,教学时或一掠而过,或浅尝辄止,降低了教学效果。如何教学这类应用题呢?1.题组对比,显示特征。以含有多余条件的应用题为依托,设计出相近、相似的应...
“Jianyi” primary school mathematics textbooks incorporated into the application of questions with redundant conditions, so that the relationship between the number of topics becomes complicated and blurred. Some teachers lack of understanding of such applications, teaching or swept past, or try it out, reducing the teaching effectiveness. How to teach such applications? 1. Test group contrast, show characteristics. Relying on the problem with the extra conditions, design similar, ...