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我县一次考试,一年级有两道这样的应用题:(1)妈妈买布,用去13元,还剩下8元,妈妈有多少元?(2)—②班图书角原有8本连环画,现在有17本连环画,增加了几本?据调查,三所农村小学125名学生解题情况:第(1)题列式为“13—8”的有38人,错误率达30％;第(2)题列式为“8+17=25”的有40人,占参考人数的32％。究其原因,十分重要的一点,就在于教师不了解低年级儿童初学应用题的思维特点,或不善于根据儿童的思维特点来教应用题,因而影响了低年级儿童对应用题的起步学习。
I County an examination, the first grade has two such application questions: (1) mother buy cloth, spent 13 yuan, the remaining 8 yuan, how many moms? (2) -② class book original 8 According to the survey, 125 students from three rural primary schools solved the situation: 38 (38%) ranked as “13-8” in paragraph (1), and the error rate was 30% ; And (2) 40 persons with the title of “8 + 17 = 25” accounted for 32% of the reference number. The reason is very important point is that teachers do not understand the thinking characteristics of low-grade children's beginner's application questions, or not good at teaching problems according to the characteristics of children's thinking, thus affecting the children of lower grades on the application of the initial study.