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公开教学中,往往很少有教师会主动选择练习课型,原因自不用多说,练习课难上,大家都有感觉和体会。陈瑾、方伟庆两位老师的《三角形得面积计算练习》公开观摩课,不一样的设计,迥异的风格,但同样精彩。正如当年苏轼所言:“欲把西湖比西子,淡妆浓抹总相宜。”两位老师的课堂值得点赞之处很多,选择最为突出的三点品味之。一、追求课堂的“深度”郑毓信教授指出,判断一堂数学课成功与否的一个重要标志,即其是否有效地促使学生更积极地去进行思考,并能逐步学会想得更深、更细、更合理、更有效。
In open teaching, very few teachers often take the initiative to choose to practice class. Since there is no need to say more, practicing classes are hard to come by, everyone has feelings and feelings. Chen Jin, Fang Weiqing two teachers “triangle area calculation exercise” public observation class, not the same design, different style, but equally exciting. Just as Su Shi said in the past: “The West Lake is better than the West, light makeup and thick wiping the total affordable.” The two teachers in the classroom deserved a lot of praise, choose the three most prominent taste. First, the pursuit of classroom “depth ” Professor Zheng Yuxin pointed out that judging a math lesson is an important symbol of the success or failure, that is, whether it effectively promote students to think more actively, and can gradually learn to think deeper, thinner , More reasonable and more effective.