一、三方位分析,在“实证”中推进学情研究在“问卷调查”与“学生访谈”中进行“实证”研究,是一线教师最有效的研究方式。1.前测分析。针对“20以内退位减法”36道算式,抽取一年级学生进行前测,数据如表1-1所示。表1-1前测易错题分析在对样本进行分析的基础上,再抽取同一教师任教的两个班进行对比分析,找到“学困点”进一步研究。 One or three position analysis, in the “empirical ” to promote academic research “questionnaire ” and “student interviews ” “” “empirical ” research is the most effective way of front-line teachers. 1. Pre-test analysis. Aiming at the formula of “Absent subtraction within 20” and “36 formula”, the first-year students are taken for pre-test. The data is shown in Table 1-1. Table 1-1 Analysis of pre-test error-prone problem On the basis of the analysis of the sample, then draw two classes taught by the same teacher for comparative analysis, find “learning difficulties ” for further study.