This paper presents the results of phase 1 of the research project “pre-service mathematics teachers’ mathematical conception in the context of lesson study and problem solving approach”. The objective of this research was to explore mathematical concepts of pre-service mathematics teachers for fourth grader prior teaching in schools. The participants to the research included 121 fourth year students, Faculty of Education, Suratthani Rajabhat University. Mathematics conceptual questionnaires used as research instrument comprised 3 problems of 12 problems about measurement. Percentage and content analysis were used for data analysis. The results showed that: 1) Problem 1: 90.08% of the students explained that if the tank measure 2 m by 2 m by 2 m, then the volume of this tank is 8 times of a tank is 1 m long, 1 m wide 1 high, and 7.44% of them explained that the volume of this tank is 2 times of tank is 1 m long, 1 m wide 1 high. and 2.48% of them are not responds. 2) Problem 2: 81.82% of the students explained that if we measure two lines and there are the same length, then two straight lines are equal length, and 18.18% of them explained that the length of line is not the end. We cannot measure the length.3) Problem 3: 71.07% of the students explained that the time is 1 hour 15 minutes can be written as 1.25 hours, and 28.93% of them explained that 1 hour 15 minutes can be written as 1.15 hours.
Suttharat Boonlerts, Rajabhat Suratthani University, Thailand
Mattaniya Phongsuwan, Rajabhat Suratthani University, Thailand
Stream: Primary and secondary education
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