The Effect Mathematics Disposition of Vocational High School Students on Mathematical Problem-Solving Ability

Abstract

Abstract Problem-solving ability is a basic skill of the 21st century. The problem-solving ability of each individual is not only about the result assessed but also their attitude in the problem-solving process. The attitude here is a mathematical disposition. This research used descriptive qualitative analysis to determine and describe the extent to wich the indicators of mathematical problem-solving abilities have been achieved and to determine the level of the students’ mathematical disposition categories. Sampling was conducted by utilizing purposive sampling technique and obtained three subjects from the eleventh-grade students of SMK Muhammadiyah Salatiga. There were two instruments used in this research there are a mathematical problem-solving ability test and a mathematical disposition questionnaire. The validity of the data used was the data triangulation method. Results showed that student in the high mathematical disposition category is able to carry out all of Polya’s problem-solving stages. Student in the moderate mathematical disposition category can carry out the stages of understanding the problem, devising the problem-solving plan and carrying out the paln. In addition, student in the low mathematical disposition category can carry out the stage of understanding the problem.