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題 名 | 一位國小三年級學生解簡單式比例問題之研究=A Study of Solving Simple Proportion Problems by a Third Grader |
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作 者 | 翁宜青; 劉祥通; | 書刊名 | 科學教育研究與發展季刊 |
卷 期 | 31 2003.06[民92.06] |
頁 次 | 頁32-53 |
分類號 | 523.32 |
關鍵詞 | 比例問題; 解題策略; 個案研究; Proportional problem; Problem solving strategy; Case study; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究探討一位國小三年級學生-楊小翔解簡單式比例問題之類型與策略。研究方法是個案研究法。採半結構式晤談法進行訪談。楊小翔只有解過乘法的問題,但是本研究發現揚小翔能分別以「疊加法」、「數量分解法」、「單價法」、「倍數法」策略解比值型態第一、二、三式之簡單式比例問題。但是對於第四式的簡單式比例問題,因為他對帶分數與單位量的掌握並不好,以致於無法解是成功。 |
英文摘要 | This study is to explore what types of simple proportion problems a third grader can solve and what are his strategies. A case study approach was adopted and semi-structure interview questions were used to examine the case's understanding. Although the case (Yang) only had experience in dealing with tasks of multiplicative problems, we found he was able to use the strategies of repeated addition, decomposing method, within strategy, and between strategy for the first three types of proportion problems. However, because he had no chance to learn the matters of mixed number, and the unit 「1」 was unstable during the process of problem solving, so he could not solve the fourth type of the simple proportional problems. |
本系統中英文摘要資訊取自各篇刊載內容。