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近年高考,考查考生的基础、能力和综合素养,凸显得越来越明显。估算法在高考中是考查考生的一种重要的方法,能很好地检测考生处事简约胆大心细的能力。但是,估算题型在考查过程中是一种易失分题,在平时备考复习中,多数学生很茫然,多数教师也很无奈。为此,笔者觉得在平时的习题教学中,应综合应用物理科学思维方法处理较为开放的物理问题,培养学生在数字运算上学会近似估算,在物理模型上的学会近似估算,或加强两者的综合估算应用。
In recent years, college entrance examination, examine the basis of candidates, ability and overall quality, highlighting more and more obvious. Estimation method in the college entrance examination is to examine the candidates an important method that can well test the candidate’s courage and simplicity. However, the test question type is a volatile item in the examination process. Most of the students are in a loss during the test preparation. Most teachers are helpless. To this end, I think in the usual exercise teaching, we should comprehensively apply the method of thinking of physical science to deal with more open physical problems, train students to approximate estimation in numerical calculation, approximate estimation in physical model, or strengthen both Comprehensive estimation application.