A Study of Grade 8 Students' Mathematical Learning Outcomes on Factorization of Second-Degree Polynomials Using Concept-Based Teaching Methods Concrete-Pictorial-Abstract (CPA)
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Abstract
The objectives are 1) to develop mathematics learning activities on factoring quadratic polynomials of grade 8 students using Concrete-Pictorial-Abstract(CPA) learning activities to be effective according to the criteria 75/75, 2) To compare learning achievement in mathematics on factoring quadratic polynomials of grade 8 students using Concrete-Pictorial-Abstract(CPA) learning activities between before and after class, and 3) To study the satisfaction of grade 8 students with the mathematics learning activities using Concrete-Pictorial-Abstract (CPA) learning activities. The sample group was grade 8/3 students at Sarawittaya School, Bangkok District 2, 40 students, derived from cluster random sampling. Research tools include 8 mathematics learning activity plans. Mathematical learning achievement test which is a multiple-choice format with 4-choice, 20-questions, and a questionnaire of measuring satisfaction with mathematics learning activities, 10 items. Statistics used include mean (), standard deviation (S.D.), and dependent t-test.
Results of the analysis found that
1) the mathematics learning activity development plan efficiency 77.87/76.20 meets the specified criteria,
2) The test score after studying was higher than before studying with statistical significance at the .05 level, and
3) Overall satisfaction was at the highest level with a mean of =4.78 (S.D.=0.43).
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