“圆面积”属于小学数学几何教学中的重要内容,也是基础数学教学中不可缺少的教学部分。通过相关教材和教学设计的内容,从实践角度对“圆面积”教学进行研究,希望能帮助广大教师更好地开展教学。 “Circle area ” belongs to the primary content of mathematical geometry teaching, is also an indispensable part of the basic mathematics teaching. Through the relevant textbooks and teaching design content, from a practical point of view of “circle area ” teaching research, hoping to help the majority of teachers to carry out teaching better.