| 小学中低年级长度单位教学的实践性研究 |
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| 引用本文： | 赵丽.小学中低年级长度单位教学的实践性研究[J].上海师范大学学报(基础教育版),2010(3):129-132. |
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| 作者姓名： | 赵丽 |
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| 作者单位： | 上海市徐汇区逸夫小学,上海200231 |
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| 摘 要： | 长度单位的教学是小学数学“空间与图形”板块的基础。在该内容教学中加强与生活的联系，能提升学生对单位的认识程度，如用身体的各部分表示一定的长度；开放练习，不仅能提高学生的学习兴趣，还可能启发思维，培养思维的广阔性与灵活性，有时一道巧妙的数学题能使学生想出多种方法，还学会了反思。让学生用已有知识构建内在知识体系，巧用方法，也能巩固学习效果。实践性的作业，动手操作、上网查找、处理信息，能提升整体的学习效果，促进探索能力的发展。
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| 关 键 词： | 长度单位 教学实践 开放练习 实践性作业 |
Practical Study on the Teaching of Length Unit in the Primary School |
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| ZHAO Li.Practical Study on the Teaching of Length Unit in the Primary School[J].Journal of Shanghai NOrmal University,2010(3):129-132. |
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| Authors: | ZHAO Li |
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| Institution: | ZHAO Li (Yifu Primary School of Xuhui District, Shanghai, 200231 ) |
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| Abstract: | The teaching of length unit is fundamental for ＇ Space and Graphic＇ in mathematics at the stage of primary school. To achieve better understanding of concept of units, we have to introduce more things in real life to students in our class. For example, different parts of our body can show different length. Praticing in more open way can help students to thinking more freely and flexibly, and increase interest of learning. A smartly question may lead to several solutions which requires re - thinking progrss. Furthermore, encouraging students to build its own knowledge hierarchy with their know - how. It also helps to solid the result of education. In conclusion, practical homework, operation by hands, searching through Internet, analyzing information, all these activities can improve learning effect and development of discovery skills. |
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| Keywords: | length unit education practice open exercise practical homework |
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