论文部分内容阅读
义务教育课程标准实验教科书小学数学四年级(人教版)下学年,学生在学习了小数的意义及小数的基本性质后,紧接着就学习小数点位置移动引起小数大小变化的规律。教材针对知识特点,很快就由小数点位置移动引起小数大小变化的规律的知识,转入了不同计量单位的名数改写的知识。学习的内容立即丰富了许多,学生在新知识还没有很好消化和吸收的同时,又要马上回忆多个不同计量单位之间的进率,进而运用新知识对不同计量单位的名数进行改写。
The compulsory education curriculum standard experimental textbook The fourth grade of primary school (PEP) The next school year, after students learn the meaning of decimals and the basic nature of decimals, followed by the decimal point to learn the location of the law caused by changes in decimal size. Textbook for the characteristics of knowledge, and soon from the decimal point position changes caused by the decimal size of the law of knowledge into the different units of knowledge rewriting the name. The content of learning immediately enriched many students in the new knowledge is not yet well digested and absorbed, but also immediately recall the rate of entry between different units of measurement, and then the use of new knowledge on the names of different units to be rewritten .