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今年8月1日至5日,由中国教育学会数学教育研究发展中心举办的全国首届中学数学教学观摩研讨会在青岛市召开。会上开设了4堂观摩课:由北航附中王人伟老师执教“直线与抛物线的关系”,由上海中学蔡萱老师执教“圆与圆的位置关系”,由江苏省无锡市六中孙伟倩老师执教“立方和与立方差公式”(实验教材),由如皋县如城四中石骑老师执教“平行四边形的判定”。北师大钟善基和曹才翰两
August 1 this year to 5, by the China Education Institute of Mathematics Education Research and Development Center held the first high school mathematics teaching observation seminar held in Qingdao. At the meeting, there were 4 observation classes: “The relationship between a straight line and a parabola” was taught by Wang Wei, a teacher at Beihang University, and taught by the Shanghai middle school teacher Cai Xuan, “the relationship between the circle and the circle”, taught by Sun Weiqian, Cubic and Cubic Difference Formula “(experimental teaching materials), Rugao County, such as the city of four riding stone teacher coached the” judgment of the parallelogram. " Beijing Normal University Zhong Shanji and Caosheng two