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一、方法本研究采取了教学实验和个别实验相结合的方法,并进行系统地观察,个别谈话和作业分析法。1.材料。《义务教育课程标准实验教科书》一年级数学上册《20以内的进位加法》为实验教材。2.被试。选择巴彦淖尔市临河区第四小学一年级(1)班和(2)班两个平行班学生(1班70人,2班70人,共140人)为实验对象,两班学生平均年龄7岁,在每班中选优中差三类学生各3人,共18人,作为重点实验的被试。以一(1)班被试为甲组,
First, the method This study has taken a combination of teaching experiments and individual experiments, and systematic observation, individual talk and homework analysis. Material “Compulsory education curriculum standard experimental textbook” grade one mathematics on the book “plus carry within 20” as the experimental teaching material. 2 subjects. Two students in parallel class (1) and class (2) of the 4th grade primary school in Linhe district of Bayannur City were selected as the experimental subjects. The average age of two classes of students was 70 students, 70 students in 2 classes, 140 students in total. 7 years old, three students in each class in the selection of excellent and poor three people, a total of 18 people, as a key experiment subjects. One (1) class subjects were Group A,