# Weekly Meeting 09/29 --- ## Outline - 解題策略 --- ## 解題策略(Problem Level) --- * 123個果凍,平分成3盤,每盤有幾個? * 126包餅乾,平分給9位小朋友,每位小朋友分到幾包? * [存在]、[平分]、[問每單位] * [每單位]、[問每單位] --- * 1包色紙有10張。姐姐有4.9包,妹妹有5.1包,兩人共有幾包? * [每單位] to global * [每單位]、[擁有]、[擁有]、[問共同擁有] * $\because$ [擁有]、[擁有]、[問共同擁有] * $\therefore$ [擁有] + [擁有] = [共同擁有] * [共同擁有]、[問共同擁有] --- * 1包糖果有10顆。哥哥有6.7包,送給妹妹4包,哥哥剩下幾包糖果? * [每單位]、[擁有]、[給予]、[問剩下] * $\because$ [擁有]、[給予] * $\therefore$ [擁有] + [給予] = [擁有] * [擁有]、[問剩下] --- * 1條緞帶長15公分,用了6.9公分,剩下幾公分? * [每單位]、[減少]、[問剩下] * $\because$ [每單位]、[減少] * $\therefore$ transform: 1條緞帶長15公分 [每單位] -> 1條緞帶 or 緞帶長15公分 [存在] * [存在]、[減少]、[問剩下] * [存在]、[問剩下] --- * 1盒小籠包有10個。媽媽蒸了9盒,全家人共吃了4.3盒,剩下幾盒? * [每單位]、[擁有]、[減少]、[問剩下] * [擁有]、[問剩下] --- ![](https://i.imgur.com/DUqaZoM.jpg) ---
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