| “等差数列前n项求和”教学的迁移式设计 |
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| 引用本文： | 张美娟.“等差数列前n项求和”教学的迁移式设计[J].宁波教育学院学报,2006,8(6):80-82. |
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| 作者姓名： | 张美娟 |
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| 作者单位： | 宁波市象山中学,浙江,宁波,315700 |
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| 摘 要： | 根据图形到数式、特殊到一般倒序相加法的特点,实现了图形与数式、数式与数式的迁移,并从发散到收敛、直观到严谨探索等差数列前n项和方法.
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| 关 键 词： | 倒序相加 形数迁移 研究性学习 |
| 文章编号： | 1009-2560（2006）06-0080-03 |
| 收稿时间： | 2005-05-17 |
| 修稿时间： | 2005年5月17日 |
The Transference Form Designs for the Summary of the First "n" Items in the Arithmetic Progression |
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| ZHANG Mei-juan.The Transference Form Designs for the Summary of the First "n" Items in the Arithmetic Progression[J].Journal of Ningbo Institute of Education,2006,8(6):80-82. |
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| Authors: | ZHANG Mei-juan |
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| Abstract: | From graphics to formula,specialty to common,with the thinking characteristics of summarization methods in reversed order,we can realize the transference from graphics and formula,from formula to formula.From volatilization to convergence,visual to preciseness,we have the methods of the summary of the first "n" items in the arithmetic progression. |
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| Keywords: | summarize in reversed order the transference of graphics and formula research study |
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