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【案例背景】几天前,我带同学们学习了一节有关平移的内容。“平移”是小学三年级上册数学教材中第六单元“平移、旋转、轴对称”的一部分重要内容,这部分内容要求学生们能初步了解生活中有关平移的现象,能识别一些物体的平移运动;认识平移的一些基本特征,能识别简单的通过平移得到的图形。结合教学要求和本班学生实际情况顺利开展了此次教学活动,本次教学活动给学生提供了大量的操作机会,让学生自己通过动手操作,自己探究规律,进而得出结论。同学们切
[Background] A few days ago, I took my classmates to a section on translation. “Translation ” is an important part of the sixth unit “translation, rotation, axisymmetry ” in the third grade of elementary school mathematics textbook. This part requires students to understand the phenomenon of translation in life and recognize some The translational movement of an object; recognizing some of the basic features of translation and recognizing simple graphics that result from translation. Combining the teaching requirements with the actual situation of the students in this class, this teaching activity was successfully carried out. This teaching activity provided ample opportunities for students to operate themselves and explore their own laws to reach a conclusion. Students cut