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最近,学校进行了数学课堂教学沙龙活动,其中有一位教师执教的是四年级下册《混合运算的实际问题》,课堂上教师出示了这样的一道题:阳光小学四年级学生要去春游,有11个班,平均每班有45人,由班主任带队去,乘坐48座的公共汽车,最少要几辆车?学生列式为:(45×11+11)÷48=10(辆)……26(人)。在交流答案时,绝大多数学生认为,最少需要11辆车,
Recently, the school conducted a math classroom teaching salon activities, including a teacher coaching fourth grader “mixed operation of the actual problem,” the class teacher showed such a question: Sunshine Primary 4 students going to spring travel, there 11 classes, an average of 45 people per class, led by the class teacher to take the 48-seat bus, at least a few cars? Student column type: (45 × 11 + 11) ÷ 48 = 10 (vehicles) ... ... 26 (people). In the exchange of answers, the vast majority of students think that at least 11 cars,