Development of academic achievement in mathematics regarding addition and subtraction of students in Prathom 2 at Ban Na Khae School. using skill training

Abstract

The purpose of this research was to develop the academic achievement in mathematics regarding addition and subtraction of students in Grade 2 at Ban Na Khae School. using skill training to compare The purpose of this research was to develop the academic achievement in mathematics regarding addition and subtraction of students in Grade 2 at Ban Na Khae School. using skill training to compare Concerning addition and subtraction of 2nd grade students at Ban Na Khae School. using skill training To be effective according to the specified criteria of 80/80 and to study satisfaction with learning about addition and Delete mathematics subject group by Use skill practice Of students in Prathom 2 at Nakae School, there were a total of 8 target groups who were students in Prathom 2 at Ban Nakae School. This research used 4 types of research tools: 6 learning plans, pre-tests, skill practice exercises, and satisfaction questionnaires. Statistics used in data analysis are divided into Divided into 3 types: 1) Basic statistics used in data analysis include average percentage values. standard deviation, etc. 2) Comparison statistics used in data analysis include t-test) performance analysis statistics and the effectiveness index is used to analyze the data.