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建构主义学习理论认为:“教学不能无视学习者的已有知识经验,简单强硬的从外部对学习者实施知识的‘填灌’,而是应当把学习者原有的知识经验作为新知识的生长点,引导学习者从原有的知识经验中生长新的知识经验。”《数学课程标准(2011年版)》指出:“教师教学应该以学生的认知发展水平和已有的经验为基础。”要求教师要关注学生的学习起点。学习起点是指学生从事新内容学习的知识基础、生活经验和情感体验等方面的已有储备,包括逻辑起点和现实起点。学习的逻辑起点是指根据学习进度,学生应该具有
Constructivism theory of learning that: “teaching can not ignore the learner’s existing knowledge experience, simple and tough from the outside to the learner implementation of knowledge ’filling’, but should the learner’s original knowledge and experience as a new knowledge Point of growth, to guide learners from the original knowledge and experience in the growth of new knowledge and experience. ”Mathematics Curriculum Standard (2011 Edition)“ pointed out: ”teacher teaching should be based on the level of cognitive development of students and existing experience as Basis. “” Ask teachers to pay attention to the student’s starting point for learning. Learning starting point refers to the existing reserves of knowledge base, life experience and emotional experience of students engaged in new content learning, including the starting point of logic and the starting point of reality. The logical starting point for learning is that according to the progress of learning, students should have it