一、介绍分数的产生师：课前，老师让大家回去查阅资料，谁能结合你的资料来说说分数是怎样产生的生１：我是从《中国少年儿童百科全书》上查到的。分数起源于分。在原始社会，人们集体劳动要平均分配果实和猎物，逐渐有了分数的概念。师：你说得很好。通过她查的资料我们可以 First, introduce the production of division division: Before class, the teacher let you go back and access information, who can combine your information to say how the score is generated Health 1: I was from the “China Children Encyclopedia” found. Score originated in points. In primitive society, people collectively assigned the fruits and their prey to collective labor, and gradually came to the concept of scores. Teacher: You put it well. Through her check the information we can