学习标准既然是预期的学习结果，而且课时学习标准对每节课的教学效率起着指导作用，那么，制订课时学习标准的原则和依据是什么呢？一、制订课时学习标准的原则。１科学性原则。制订小学数学课时学习标准，必须根据《大纲》规定的小学阶段各年级教学要求和当前的教学现状， Since the learning standard is the expected result of learning, and the learning standard of class duration plays a guiding role in the teaching efficiency of each class, what are the principles and basis for formulating the standard of class time learning? First, the development of class time learning standards. 1  scientific principles. The development of primary school mathematics learning standards, must be based on the “outline” provisions of the primary school grade teaching requirements and current teaching status quo,