The Development of a Mobile Application on Functions via Android Operating System for Grade 11 Students
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Abstract
The purposes of this research were 1) to develop a mobile application via Android operating system that enhances the mathematical problem-solving ability on Functions for grade 11 students in accordance with the criteria 70/70, and 2) to examine students' satisfaction towards using the developed mobile application. The sample group was grade 11 students who had learned about Functions at Roong Aroon School and had a score less than 60%. The research instruments consisted of tools for enhancing the mathematical problem-solving ability, tools for measuring and evaluating the mathematical problem-solving ability, and tools for measuring students' satisfaction towards using the mobile application via Android operating system. The results of this research showed that 1) the efficiency of the mobile application was 78.04/73.98, which was higher than the criteria, and that 2) the average satisfaction towards the mobile application was at very satisfied level (=3.96, S.D.=0.68). The proposed application that a researcher developed would be an alternative way that can be used to develop students’ mathematical problem-solving skills in conjunction with the teaching of the mathematics subject on Functions.
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