论文部分内容阅读
估算在小学数学课程中是一个新亮点。但是,由于估算具有开放性,再加上估算策略的多样化,因此,在日常数学教学中不好实施。那么,作为一线教
Estimation is a new bright spot in elementary mathematics. However, due to the openness of estimates and the diversity of estimation strategies, they are not well implemented in daily math teaching. Well, as a front line teaching