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小數教學初探

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表 2   小 數 和 分 數知識的 比較 表(引自Resnick et  al . , 1989, p.12 ) 小 decimal ) 數(知知識的 元素分fraction )識的 元素 數(類似(+) 不 同 ( -) A
表 8  教 省 師思結果分析 一 教 學進行 教 師之省思如何位小數引進二人 數(%)如何位小數引進三人 數(%) 由身引公高 申 尺  -公 18(95) 由 分的換算體公重引申斤-克的換算14(74) 學 困 生學習難處的單位熟換算不度衡4(21) 量 教 困 師教學難處法理解尺尺里或學無 1 公 = 0.01 公 1 公 = 0.001公 4(21) 生 分 教 成 師教學功實作式的方應有際經驗或處以操生用學,較概念 2(11) 舉例明、公尺公、克,時說 - 學 尺 換公 里 換公 斤 100 和

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