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教学实录(一)师:(课件出示情境图片)叮叮和当当在野餐中遇到了数学问题。你们看到了什么?生:他们带了4个苹果、2瓶矿泉水和1块蛋糕。师:叮叮和当当怎么分这些食品呢?生:把4个苹果平均分成两份,每人分到2个;把2瓶水平均分给两个人,每人分到1瓶。师:像这样分得的每一份同样多在数
Teaching Record (a) division: (courseware to show the situation picture) Ding Ding and Dangdang encountered a mathematical problem in the picnic. What did you see? Health: They brought 4 apples, 2 bottles of mineral water and 1 cake. Teacher: How do ding and dang these foods? Health: The average of four apples divided into two, each divided into two; the two bottles of water evenly divided into two people, each assigned to a bottle. Teacher: As much as each copy divided in this way