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建模点1:“平均分”模型所属内容:信息窗1(第60页-63页)教材简析:认识除法需要先建立平均分的概念,由于平均分是除法的物化形式,所以在认识除法初期,突出平均分的本质特征并让学生认识十分重要。信息窗1呈现的是美丽的大森林里动物们正在聚会。2只熊猫、3只小猴、2只小松鼠、2只小白兔,它们正准备将桌子上的6个竹笋、12个桃子、16个萝卜、15个松果分给大家。由熊猫提出的“怎样分竹笋呢”引入对平均分的学习。通过该信息窗的学习,引导学生借助已有生
Modeling Point 1: “Average Score ” Model Belonging Content Window 1 (Pages 60-63) Textbook Analysis: Recognition and division need to establish the concept of average points, the average score is the physical and chemical form of division, so In the early stages of recognizing division, it is important to highlight the essential characteristics of average points and make students aware of them. The information window 1 shows the animals in the beautiful large forest gathering. Two pandas, three monkeys, two squirrels and two white rabbits. They are preparing to distribute 6 bamboo shoots, 12 peaches, 16 radishes and 15 pine cones to the table. Panda proposed by the “how to shoot bamboo it?” The introduction of the average score of learning. Through the information window to learn, guide students with existing students