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教倒顺数,说难不难,说易不易。要幼儿真正清楚地口述10以内数的排列顺序,明确顺数是一个比一个多,倒数是一个比一个少,真正体验10以内自然数列中序列之间的可逆性和可传递性并不容易。我在教儿童学习倒顺数时,分二部分进行。第一部分是集体活动,目的是让幼儿知道从小的数数到大的数叫顺数,从大的数数到小的数叫倒数,这一部分,一般的教师都能做
To teach down the count, that difficult is not easy to say. It is not easy for young children to dictate the order in which they are counted within 10, and it is clear that there are more than one to one and the reciprocals are less than one. It is not easy to truly experience the reciprocity and transmissibility between sequences in natural numbers within ten. When I was teaching countdown, I was divided into two parts. The first part is a group activity. The purpose is to let toddlers know the number of small to large numbers called reciprocal, and from the large number to the small one, the average teacher can do