一、教材是怎样安排小数教学的,为什么要这样安排? 小数的教学分两个阶段进行。第一阶段安排在第四册。重点是小数的初步认识,只结合学生日常生活中比较熟悉的元、角、分的十进关系,进行简单的小数加减法计算;第二阶段安排在第七册,系统地学习小数的基础知识、四则计算及相应的应用题。这样安排的原因:一是小数的概念比较抽象。学生较难理解,分两个阶段进行教学,符合从直观 First, the textbook is how to arrange decimal teaching, why should such an arrangement? Decimal teaching in two stages. The first phase is arranged in Volume IV. Focus on the initial understanding of decimals, only with the students daily life more familiar with the decimal, angle, points of the ten relations, simple addition and subtraction decimal calculation; the second phase arranged in the seventh book, systematically learn the basis of decimals Knowledge, four calculations and the corresponding application questions. The reason for this arrangement: First, the concept of decimal is more abstract. Students more difficult to understand, teaching in two stages, consistent with intuitive