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翻轉學習影片描述:【單位】國家教育研究院(簡稱國教院) 【單位簡介】 國家教育研究院(簡稱國教院)為教育研究工作的最高專責機構,致力於建構教育政策發展智庫,精益求精,追求卓越,為國家重要課程測評研發基地。也重視領導人才的培育,並建構一套完整領導人才進修體系,成為名符其實的教育領導人才培育重鎮。 國教院製作許多貼近學生各種領域的影片,希望同學可以從生活中成長、快樂學習。 【影片簡介】 本影片為國家教育研究院授權提供。 利用溫度變化的情境,來探討整數的加法。將正數看成溫度上升的變化量,將負數看成溫度下降的變化量:而兩數相加,就看成是兩次溫度變化後的結果。並藉由溫度計的橫放,引入數線。將溫度變化的總和以算式表示,再由數線上的變化來看出計算結果,藉此得到整數加法的算則:一個正數和一個負數相加,就是數字部分用大的數減去小的數,如果正號後面的數字大,結果就是正數,如果負號後面的數字大,結果就是負數。若是兩個負數相加,就是數字部份直接相加之後,在結果前加上負號。 更多相關學習影片請上國家教育研究院愛學網,網址:http://stv.moe.edu.tw/
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