笔者曾听过这样一节“20以内进位加法”的公开课,教师课前做了一大堆小红花,上课时先复习20以内不进位加法,教师出示口算卡片,学生“开火车”,答对一道口算题,教师就表扬“真聪明”“真能干”等,同时还奖励一朵小红花,整个课堂掌声起伏,结果还未进入新课,已发放了大半盆小红花,教师只好歉意地说了声:“对不起,老师的小红花做少了,下节课再给你 I have heard such an open class “within 20 plus plus” open class, the teacher made a lot of small safflower classes before class review first do not carry addition within 20 plus, the teacher to show the account card, the students “open train” Answer to a cross talk, teachers praise “really smart” “really capable,” and so on, but also reward a little safflower, the entire classroom applause, the results have not yet entered the new class, Apologies to say: "I'm sorry, the teacher's little red flowers to do less, give you the next class