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方程是小学数学中“数与代数”部分的基本内容之一。由于小学生在此前的“数与代数”学习中接触的内容主要是数的认识和数的运算,解决实际问题时也习惯了依据数量关系由已知条件推算出相应的结果,所以他们对解方程以及列方程解决实际问题的思考方法常常会感到不适应,进而出现各种让教师意想不到的问题和错误。为了更加全面地了解学生学习方程内容时存在的困难和障碍以及容易出现的问题和错误,笔者在实际教学中
The equation is one of the basic elements in the “Number and Algebra” section of elementary mathematics. Because the primary school students’ contact with algebraic learning in the past is mainly the understanding of numbers and the operation of numbers, it is also used to solving the practical problems by deriving the corresponding results from the known conditions based on the quantitative relationship. Therefore, Solutions to equations and column equations to solve practical problems of thinking often uncomfortable, then there are a variety of unexpected problems and mistakes teachers. In order to get a more complete understanding of the difficulties and obstacles that exist when students learn the content of equations and the problems and mistakes that are easy to occur,