观察感知是智力结构的门户,思维能力是智力结构的心脏。把思维的主动权交给学生,就是要培养学生敢于思维,善于思维,成为创造型的新人,以满足四化建设的要求,迎接新的产业革命的来临。教师提出问题学生动脑动手学生“听”来的知识不牢靠,“想”来的知识才踏实。教师善于提问,设置悬念,激发学生的求知欲,带着问题动脑思考,动手操作,对知识就懂得透,记得牢,用得熟。在学习三角形三边的长度关系之前,我 Observational perception is the gateway to the intellectual structure, and thinking ability is the heart of the intellectual structure. To hand over the initiative of thinking to students is to train students to be bold in thinking, be good at thinking, and become creative new people to meet the requirements of the four modernizations and to welcome the advent of a new industrial revolution. The teacher asked questions Students’ brains and hands-on students The knowledge “listening” was not solid, and “thinking” students’ knowledge was practical. Teachers are good at asking questions, setting suspense, stimulating students’ thirst for knowledge, thinking about brains with problems, hands-on operations, knowing knowledge through knowledge, and remembering to use them well. Before learning the length relationship of the three sides of the triangle, I