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在一次教学研讨活动中,我采用了儿歌《数青蛙》进行苏教版四年级下学期《用字母表示数》一课的导入。试教过程中出现了令我意想不到的问题。课始,我出示了儿歌“一只青蛙一张嘴,两只眼睛四条腿;两只青蛙两张嘴,四只眼睛八条腿……”当我提出让学生用一句话表达这首儿歌的意思时,学生有的说:“无数只青蛙无数张嘴,无数只眼睛无数条腿。”有的说:“a只青蛙a张嘴,a只眼睛a条腿。”有的说:
In a teaching seminar, I used the song “Number of Frogs” to import the fourth edition of the fourth edition of the “Use Alphabetic Number” version of the Sujiao Version. During the teaching and experimentation, something unexpected happened to me. At the beginning of the class, I showed a children’s song “A frog with a mouth, two eyes with four legs; two frogs with two mouths and four eyes with eight legs ... ” When I asked the students to use one sentence to express the meaning of this song Some students said: “Countless frogs countless mouths, countless eyes countless legs.” Some said: “a frog a mouth, a eyes a leg.” "Some said: