《认识小数》是苏教版小学数学三年级下册第100—101页的教学内容,在平时的随堂听课和公开课观摩中经常有老师执教,在研究课中有代表“差异教学”课题展示的,也有代表“自主学习”课题展示的,版本很多。我们应该尊重教材,创造性地使用教材,让学生快乐学习的同时感受到数学的魅力,生成终身享用的智慧。我最近执教了一堂“智慧数学”课题研究下的认识小数,一些感受与大家分享。一、找寻知识的前沿 “Knowing the decimal” is the teaching content of the first edition of the third grade of the Supong version of elementary school mathematics, volume 100-101, often in the usual classroom listening and public class teacher teaching, in the research class representative “difference teaching ”The subject display, but also on behalf of “ autonomous learning ”subject display, a lot of versions. We should respect teaching materials and use teaching materials creatively so that students can enjoy the charm of mathematics and create lifelong intelligence while learning happily. I recently coached an understanding decimal under the study of “Wisdom Mathematics”, and some of my feelings were shared with you. First, find the frontier of knowledge