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让学生从“学会”到“会学”一直是广大教师的努力方向.本文案例呈现了学生自主探索“三角形内角和等于180°”的思维过程.教师设计了五个教学环节,层层深入,引导学生进行“观察、实验、交流、推理、验证、归纳”等活动,努力发展学生的数学能力,探索活动也充分体现了新课程的基本理念.
It is always the direction of the majority of teachers to let the students learn from “Learning ” to “Learning ” The case of this paper presents the students’ self-exploration thinking process of “the inner angle of the triangle and equal to 180 °.” The teacher designed five teaching At the same time, students should be encouraged to conduct activities such as “observation, experiment, exchange, reasoning, verification, induction” and to develop their mathematics abilities. The exploration activities fully embody the basic concepts of the new curriculum.