除法的意义是“已知两个因数的积与其中一个因数,求另一个因数的运算”。在实际运用中,又分成等分除和包含除两种类型。分数的意义是“把单位1平均分成若干份,表示这样的1份或几份的数”。这种意义属除法意义中等分除法类型。百分数的意义是“表示一个数是另一个数的百分之几的数。”这种意义属于包含除法的类型。所以百分数又叫百分率或百分比。除法、分数、百分数的意义既有联系,又有区别。除法的意义是分数意义和百分数意义的启蒙阶段。所以教学除法意义时,既要强调等分除法的意义,也应重视包含除法的 The meaning of the division is “knowing the product of two factors with one of the divisors and finding the other.” In actual use, it is divided into equally divided and divided into two types. The meaning of the score is “to divide the unit 1 equally into several copies, indicating the number of such copies or copies.” This meaning belongs to the division type in the meaning of division. The meaning of a percentage is “a number that represents how many percentages are in a number.” This sense belongs to the type that contains the division. So percentage is also called percentage or percentage. Division, scores, the meaning of the percentage of both the connection, there are differences. The meaning of division is the enlightenment phase of meaning and percentile meaning. Therefore, when teaching the meaning of division, it is necessary to emphasize the meaning of division of division, but also should pay attention to the inclusion of division