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題 名 | 國小六年級分數數線補救教學之研究--以三名個案為例=A Study of Remedial Instruction of Number Line Model of Fractions in the Sixth Grade |
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作 者 | 黃怡琄; 劉曼麗; | 書刊名 | 科學教育研究與發展季刊 |
卷 期 | 49 2007.12[民96.12] |
頁 次 | 頁37-57 |
分類號 | 523.32 |
關鍵詞 | 分數; 數線模式; 國小六年級; 補救教學; Fraction; Number line model; The sixth grade; Remedial instruction; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究旨在對分數數線有錯誤想法的國小六年級學童,設計分數數線補救教學活動,並探討實施活動之成效。本研究之研究對象為研究者(第一位作者)任教學校的三位六年級學生。在補救教學前,先對研究對象實施分數數線前測,並以個別晤談的方式瞭解學生的錯誤想法。在教學後對研究對象實施分數數線後測,並進行晤談,以瞭解三位研究對象錯誤想法的改變情形及補教教學成效。 研究結果如下: 一、補救教學前,三位研究對象在分數數線的錯誤類型有:將數線全長當作一個單位、受單位等分段數的影響、受小數概念的影響、受分子和分母數字的影響、以及將數線上的刻度線當作等分段等五項。 二、本研究之補教教學活動共設計四個單元。在四個單元的教學歷程中,透過改變數線上的單位數來改正學生「將數線全長當作一個單位」;藉著將數線上單位間的等分段改變為分母的因數和倍數,來改正學生「受單位等分段數的影響」;透過動手畫數線,並討論如何在數線單位間做正確地等分,來改正學生「受小數概念的影響」及「將數線上的刻度線當作等分段」;透過在數線上序數分數,並強調數線上的整數參考點,來改正學生「受分子和分母數字的影響」。 三、接受分數數線補救教學後,三位研究對象原有的錯誤想法皆有明顯地轉變。三位研究對象在前測的平均答對率不到五成,而後測的答對率在九成以上,顯示本補救教學活動有明顯之成效。 |
英文摘要 | The purpose of this study was to aim directly at students, who had wrong thinking of the number line model of fractions, and to design remedial instruction activities for the number line model of fractions, and to investigate the process and effects of the remedial instruction activities. The 3 research subjects were selected from the sixth grade students of an elementary school in which the first researcher taught. Before the remedial instruction, the researcher used the pretest of number line model of fractions to the subjects, and interviewed students individually to know their wrong thinking. After the remedial instruction, the researcher used the posttest of number line model of fractions to these subjects, and interviewed students individually to understand if there were any changes on students' wrong thinking about the number line model of fractions and also recognize the effects of the remedial instruction. The major findings were summarized as the followings: 1. Before the remedial instruction, the 3 subjects had five wrong thinking of the number line model of fractions. First, they used the whole number line as the unit. Second, they were affected by the interval number in the unit on the number line. Third, they were affected by the number line of decimal. Fourth, they were affected by the value of numerator and denominator. Finally, they counted marks instead of intervals. 2. In the research, activities for the number line model of fractions included 4 units. At the process of the remedial instruction activities, the researcher used many methods to correct students, wrong thinking. 3. After the remedial instruction, the original wrong thinking of the 3 subjects was improved obviously, and we found the scores of the posttest were significantly higher than that of the pretest. It was obvious that the remedial instruction had a great deal of effects. |
本系統中英文摘要資訊取自各篇刊載內容。