浙江省杭州市刀茅巷小学与余杭区的一所农村小学结为“杭州市城乡互助共同体学校”。在两校的课堂教学研究活动中,发现由于信息技术学科的特殊性和学生认知的差异性,存在着课堂教学效果不高的现象:一些学生认为太简单,一些学生则认为太难。为此,我们运用分层教学的策略进行了 Knife Lane, Hangzhou, Zhejiang Province Primary School and Yuhang District, a rural primary school as “Hangzhou urban and rural mutual aid community ”. In the classroom teaching and research activities of the two universities, we found that due to the specialties of information technology and the differences of students’ cognition, there is a phenomenon that classroom teaching is ineffective: some students think it is too simple and some students think too hard. To this end, we use a hierarchical teaching strategy