2012年12月3日,有幸在广州参加中国教育学会小学数学教学专业委员会第十五届年会暨成立三十周年纪念会,感触颇多。1992年,懵懵懂懂的我走进了教研队伍,成为了省级教研员。虽然也教过两年多的中学数学,但对小学数学还是隔行隔山的感觉,更别说做一名教研员了,记得当时角色转换都花了我相当长的时间。从那时起,广西教育学院教研部的曹艺冰老师就领着我听课、评课、做 December 3, 2012, fortunate enough to participate in Guangzhou, China Institute of Primary Education Mathematics Teaching Committee fifteenth annual meeting and the thirtieth anniversary of the establishment of a lot of feelings. In 1992, I came to understand the research team, became a provincial teaching and research staff. Although also taught more than two years of high school mathematics, but the primary school mathematics or interlaced mountains feel, let alone be a teaching and research staff, I remember the role conversion took me quite a long time. Since then, Cao Yi-Bing, a teacher at the Department of Education and Research at Guangxi Institute of Education, led me to take lectures, evaluate classes and do