[國小] 除法都搞不清楚的小孩
今天在教鄰居小孩小五的因數和倍數還有分數
為了一個小問題差點被搞死
關於除法的語言敘述
就花了十多分鐘
以下範例
12/3=4
可唸為
十二"除以"三等於四
三"除"十二等於四
被除數:九
除數:三
商數:四
容易搞混得是"除以"跟"除"
以至於我跟他溝通的時候
除數跟被除數他都變來變去
他還說老師說小五不能教短除法....
短除法在公倍數還有公因數上很好用
我想問一下版上的國小數學老師
是因為課本(課綱)上面沒有嗎?
所以不能教?
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◆ From: 114.26.213.179
※ 編輯: HiJimmy 來自: 114.26.213.179 (02/03 14:39)
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