The effects of instructional activities using mathematical problem-solving strategies and questioning to problem-solving ability of Mathayomsuksa one students on Linear Equation in One Variable
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Abstract
The purposes of this research were 1) to study the mathematical problem-solving ability of Mathayomsuksa students after using mathematical problem-solving strategies and questioning and 2) to study guidelines for organizing learning activities by using mathematical problem-solving strategies and questioning to promote mathematical problem-solving ability on Linear Equation in One Variable. The participants were 16 Mathyomsuksa students of Nong Mai Kaen Wittaya School. Research instruments consisted of 5 lesson plans emphasizing mathematical problem-solving strategies, in which we were writing algebraic expressions, drawing pictures or diagrams, making a table, and simplifying the questions combined with questioning, and the Mathematical Problem-solving Ability Test which was examined the content validity by expertise. Quantitative data were analyzed by using percentages, and standard deviations. Qualitative data were analyzed by using content analysis. The research results revealed that 1) there was 50 percent of the students whose mathematical problem-solving ability was at good and very good levels and the percentage of students’ mathematical problem-solving score was 52.8 and 2) the guidelines for organizing learning activities by using mathematical problem-solving strategies and questioning to promote mathematical problem-solving ability on Linear Equation in One Variable were presenting various problem-solving strategies to solve word problems with scaffolding questions, using questioning to help students understand the problems, and encouraging students to discuss and share their problem-solving strategies to the classmates.
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