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人教版小学数学二年级下册,学生第一次接触平均分。在小学数学中,平均分可以归为两种情况:一是确定为每一份是多少再分,二是确定平均分几份再分。而第二种平均分是在学生已经理解了“每份分得同样多就是平均分”的基础上进行教学的,重点让学生通过“分一分”的活动,进一步体验平均分的过程,可以一个一个分,两个两个分……教学片断一:师:春游时,班长明明想把15个桔子分给5个小组
PEP Primary School Mathematics Grade Two, the first contact with students average score. In elementary mathematics, the average score can be classified into two situations: one is to determine how much each one is divided, the other is to determine the average divided by a few points. The second average score is based on the students have been understanding that “each share the same average score is ” on the basis of teaching, focusing on allowing students to pass “points ” activities, to further experience the average The process can be one by one, two two minutes ...... Teaching a fragment: Teacher: Spring Festival travel, the monitor clearly want to 15 oranges assigned to five groups