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本文仅选取八(上)和八(下)教科书的几个方面进行剖析,以期给广大数学教师提供必要的教学参考,并从中得到一些有益的启示.1将“分式”与“比和比例”进行整合在传统教科书中,“比和比例”的有关内容均放在几何相似形中,与线段的“比和比例”一起讲授.本教科书八(上)中将“数与代
This article only selects several aspects of eight (upper) and eight (lower) textbooks to analyze, in order to provide the majority of mathematics teachers with the necessary teaching reference, and get some useful inspiration from it. 1 The “fractional” and “ratio and ratio ”In the integration of traditional textbooks, the contents of “ratio and proportion” are placed in geometric similarity and are taught together with the “ratio and ratio” of the line segment.