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一、实验目的:在中央教科所编写的《实验大纲》规定的44课时内,在不加重学生负担的情况下,达到《实验大纲》的要求。即:①正确数出11—20之间物体的个数,掌握20以内数的顺序和大小,并能够正确迅速地读写11—20各数。②正确迅速地计算20以内的进位加法和退位减法。③口算达到邱氏量表要求5分钟做对60题—89题为及格,做对90以上为优秀。(10以内过关的学生达到20以内过关)。④使学生通过解答求比一个数多几(少几)的数的反向应用题,提高分析解答应用题的能力。⑤结合教学培养学生严格、认真的学习品质,初步养成自学习惯。二、实验方法及其它
First, the purpose of the experiment: Within the 44 hours specified in the “Experimental Outline” written by the Central Institute of Education, the requirements of the “Experimental Outline” should be met without increasing the burden on the students. Namely: 1 correctly count the number of objects between 11-20, grasp the order and size of the number within 20, and can read and write 11-20 each number correctly and quickly. 2 Correctly and quickly calculate the carry addition and decrement subtraction within 20 points. 3 counts to reach the Qiu scale requires 5 minutes to do 60 questions - 89 questions for the pass, do more than 90 for the excellent. (10 pupils who pass within 10 can pass within 20). 4 To enable students to solve the problem of analyzing the answers to the questions by answering questions that are more than a few (a few). 5 Combine teaching to cultivate students’ strict and earnest study quality and initially cultivate self-learning habits. Second, experimental methods and other