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对分数应用题教学的研究和思考贺兰县教研室李怀安分数应用题是小学数学应用题的一个重要组成部分，分数乘除法应用题历来是小学阶段应用题教学的重点和难点之一。分数应用题既是整数倍数关系问题的发展和深化，又是后面学习百分数、按比例分配、正反比例等问题的基础。许...
Research and Thinking on the Teaching of Fractional Application Problems He Huaian Department of Teaching and Research Li Huai'an Fractional Application Questions are an important part of elementary mathematics application problems. The application of fractional multiplication and division has always been one of the most important and difficult points in the teaching of applied problems in primary school. Fractional application questions are not only the development and deepening of the integer multiples relationship problem, but also the basis for learning the percentage, proration, prorational and inverse proportion problems. Xu...