r Basic Requirements"Wang Ai -li, Wu Qing -wen(Teaching Research Center of Changji Prefecture, Changji 831100, Xinjiang)Abstract: The teaching objectives of math used to focus on the mastery of "the Two Requirements".TheMath Curriculum Criterion pulsory Education Stage published in 2011 developed it into "the Four BasicRequirements".Therefore, it is now the teacher's main task to study and implement them.This article analy-zes how to implement the teaching objectives of the Four Basic Requirements from the case study of the chapterthe knowledge of circle published by the Beijing Normal University Press for references of other math teachers.Key words: math in primary schools; the Four Basic Requirements; teaching strategies[责任编辑:宋雨哲][责任校对:陈坚]83第 31 卷第 1 期 新疆教育学院学报 2015 年 3 月