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1 问题的提出我们知道 ,学生走进教室以前 ,脑袋里不是空空如也 ,以往的生活、学习和实践使他们逐步形成了自己对各种现象的理解和看法 .因此 ,我们在教学时应立足于这个经验基础 ,使每一个学生在各自不同的知识结构和生活经验的基础上自然合理地亲历数学建构过程 ,逐步掌握认
1 We must know that before the students entered the classroom, their heads were not empty. In the past, life, study, and practice enabled them to gradually develop their own understanding of various phenomena. Therefore, we should base ourselves on this Based on experience, each student will naturally and rationally experience the process of mathematical construction on the basis of their different knowledge structures and life experiences, and gradually grasp