有理数的加法是人教版七年级上册第一章的内容,为了让学生掌握有理数的加法法则,我采用了探究式的教学方式进行了教学设计,教学片断如下:屏幕显示:芳芳的妈妈是下岗工人、她下岗后自己经营了一个小卖店.芳芳是个非常懂事而且还很孝顺的孩子,今年暑假她抓紧时间写完作业后,经常到妈妈小卖店去帮忙.还专门对一周七天的亏盈做了如下统计. In order to let students master the law of addition of rational numbers, I adopted the inquiry teaching method to carry on the teaching design. The teaching fragments are as follows: The screen shows: Fang Fang’s mother is Laid-off workers, she laid off after running a small shop.Fangfang is a very sensible and very filial children, this summer she seize the time to finish homework, often go to the mom’s shop to help but also specifically for seven days a week The loss made the following statistics.