去年某教育刊物曾刊发《一道估算题教学引发的思考》一文,读后我陷入了再思考,那位老师对课标中指出的要让学生“在解决具体问题的过程中,能选择合适的估算方法,养成自觉估算的习惯”这一理念理解得比普通老师要深刻。她认为:把估算教学的目标简单地定位在求近似值的估算技能 Last year, an educational publication once published an article entitled “Estimating Problems Caused by Estimation of Teaching Problems.” After reading, I fell into re-thinking. The teacher pointed out in the course standard that students should be able to make choices in the process of solving specific problems Appropriate estimation method, to develop a habit of self-estimation "This concept to understand than the average teacher to be profound. She believes that the objective of estimating teaching is simply to find the approximation of the estimation skills