The Developing Problem-Solving Skills in Addition and Subtraction for Grade 3 Students at Ban Nong Pha-om School, Somdet District, Kalasin Province, Through KWDL Technique Combined with Bar Model Learning
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Abstract
This research aims to: 1) develop problem-solving skills in addition and subtraction among Grade 3 students through learning management using the KWDL technique combined with the Bar Model, which meets the criteria of 70%; and 2) compare the problem-solving skills in addition and subtraction of Grade 3 students before and after learning management using the KWDL technique combined with the Bar Model. The sample group consisted of 9 Grade 3 students studying in the first semester of the 2024 academic year at Ban Nong Pha-om School, Somdet District, Kalasin Province, selected through purposive sampling. The research tools included: 1) a learning management plan using the KWDL technique combined with the Bar Model on solving addition and subtraction problems, and 2) a test to assess problem-solving skills in addition and subtraction. Data analysis statistics included mean, percentage, and standard deviation. Hypothesis testing used the Wilcoxon Signed Ranks Test. The research findings revealed that: 1) the problem-solving skills in addition and subtraction of Grade 3 students after learning management using the KWDL technique combined with the Bar Model had an average percentage score of 71.11 which met the criteria of 70%; and 2) the problem-solving skills in addition and subtraction after learning management using the KWDL technique combined with the Bar Model were significantly higher than before, at the .05 level of statistical significance.
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References
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