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2011版的数学课程标准在第二学段中提出了“在具体情境中,了解常见的数量关系:总价=单价×数量、路程=速度×时间,并能解决简单的实际问题。”这在原来的实验稿课程标准中是没有的。经历了十多年的课改,又重新将传统教材中所关注的数量关系放入课程标准中,值得思考。一、“常见数量关系”消失的实践体会在实验稿的数学课程标准中,没有了传统教材中的基本数量关系,作为一线数学教师马上就察觉到了
In the second semester, the 2011 version of the Mathematics Curriculum Criteria proposed that “in a specific situation, we know the common quantitative relationship: total price = unit price × quantity, distance = speed × time, and can solve simple practical problems.” “ This is not the original experimental draft course standard. After more than ten years of curriculum reform, we re-put the number of concerns in the traditional textbooks into the curriculum standard and worth considering. First, ”common quantitative relationship " disappeared practice experience In the experimental draft mathematics curriculum standards, there is no basic relationship between the number of traditional teaching materials, as first-line mathematics teachers immediately realized