View of Effects of Polya’s Problem-Solving Approach Combined with the Bar Model Technique on Grade 4 Students’ Problem-Solving Ability in Addition and Subtraction of Whole Numbers Greater than 100,000 at Piboonsawasdee Municipal School, Phuket Province

Return to Article Details Effects of Polya’s Problem-Solving Approach Combined with the Bar Model Technique on Grade 4 Students’ Problem-Solving Ability in Addition and Subtraction of Whole Numbers Greater than 100,000 at Piboonsawasdee Municipal School, Phuket Province Download Download PDF