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本册教材有包含除法的初步认识,表内除法,时间单位,表外乘、除法,四则式题和应用题五个主要内容。与原来的旧教材比较,新教材更为单一,除法占全部教材的(?)%左右。原教材中的乘法表编入了初三册,补充了表内除法的某些内容,增加了表外乘、除法用两位数乘,用两位数除的计算。新教材这样的取舍是恰当的.因为乘法表编入初三册,为本册学习乘、除法打下了良好的基础;同时通过本册系统的学习除法,不仅能巩固计算法则,培养儿童除法的技能技巧,也加深了对等分、
The textbook includes the division of the preliminary understanding, the table division, the time unit, table by multiplication, division, four style questions and application questions five main elements. Compared with the original old teaching material, the new teaching material is more single, dividing the total teaching material (?)% Or so. The original text in the multiplication table into the first three volumes, adding some of the contents of the table division, an increase of the table by the multiplication, division by two digits multiplied by two digits of the calculation. The new teaching material such a trade-off is appropriate. Because the multiplication table into the first three books for the book learning by multiplication, division laid a good foundation; at the same time through this book system learning division, not only to consolidate the rules of calculation, Skills and skills, but also deepened the division,