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去年,我参加了松原市小学数学同课异构课堂教学研讨会,受益匪浅。尤其是“三角形的面积”这一教学内容,执教者在讲授时把学习的主动权还给学生,教师只做必要的指导。让学生动手剪一剪,拼一拼、割一割、补一补,注重在实际操作中训练学生的思维,提高了课堂教学效率。1.以旧引新,积极思维。讲授新内容之前,教师先引导学生复习学习过的相关内容。让学生拿出平行四方形、长方形和正方形等平面几何图形的学
Last year, I participated in Songyuan primary school math class heterogeneous classroom teaching seminar, benefited. Especially in the teaching area of “Area of Triangle”, coaches give the students the initiative to learn while teaching, and teachers only provide the necessary guidance. Let students cut their hands, fight together, cut a cut, make up a supplement, focusing on practical training in the thinking of students to improve the efficiency of classroom teaching. 1. Old introduction of new, positive thinking. Before teaching new content, teachers should guide students to review the relevant content first learned. Have students come up with a flat geometry such as parallelogram, rectangle, and square