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在小学阶段,学生的数学学习与生活经验有着密切的联系。特别是在“图形与几何”领域,生活经验为知识的数学化提供了丰富的表象支撑。但是,基于生活经验的数学直觉不一定都准确。这就需要教师引导学生通过细致观察、深入思考、操作探究、合作交流,积累丰富的数学活动经验,从而对解决问题的过程进行合理的解释,赋予数学课堂生命的温度和生长的力量。
In elementary school, students have close connection between maths learning and life experiences. Especially in the field of “Graphics and Geometry,” life experience provides abundant representational support for the mathematicalization of knowledge. However, mathematical intuition based on life experience may not always be accurate. This requires teachers to guide students through careful observation, in-depth thinking, operational exploration, cooperation and exchange, and accumulated rich experience in mathematical activities, so as to reasonably explain the process of solving the problems and give the temperature and growth power of mathematics classroom life.