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【教学背景】11~20以内数的写法,教材上是作为一个全新的知识来教学的,教材编写的起点是学生在11~20写法上认知是一个空白。学生的原有认知真的是这样吗?通过和学生的交流与接触,发现班上几乎所有的学生都会写11~20各数,学生的起点这么高,教学中能不能忽略这一因素,从零开始呢?本课的教学重、难点又是什么呢?过去,也曾听过几次这节课,教学中教师往往都忽略学生已有的经验,将数的写法作为教学重点,不厌其烦地教
Teaching Background The number of 11-20 within the wording, textbook is as a new knowledge to teaching, teaching materials starting point is that students in the 11 to 20 wording cognition is a blank. Through the exchange and contact with students, it is found that almost all the students in the class will write 11 to 20 numbers, the starting point of the students is so high, and the teaching can not ignore this factor, From scratch? The teaching of this lesson, what is the difficulty? In the past, have heard this lesson several times, teaching teachers often ignore the students have the experience, the number of wording as a teaching focus, take the trouble To teach