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“正比例”教学设计与评析胡金婵执教王玉敏评析教学设计与评析教学内容：人教社六年制小学数学课本第十二册例１、例２。教学目标：１．通过实例认识两种相关联的量。２．理解“成正比例的量”和“正比例关系”。３．会用ｙｘ＝ｋ（一定）概括数量关系。４．会判断两种量...
“Proportional” teaching design and commentary Hu Jintao coaching Wang Yumin Commentary Teaching design and commentary Teaching content: The six-year primary school mathematics textbook for the six-year primary school. Teaching objectives: 1. Two related quantities are known through the examples. 2. Understand the “positive proportion” and “proportional relationship.” 3. Will use yx = k (a certain) to summarize the quantitative relationship. 4. Will judge two quantities...