Enhancing Elementary Students’ Cognitive Skills on Time Units Through the NHT Cooperative Learning Model with Analog Clock Media
Keywords:
Analog Clock Media, Cognitive Ability, Numbered Heads Together Model, NHT, MathAbstract
This study aims to enhance the cognitive abilities of second-grade students in learning mathematics, specifically on the topic of time units, by applying the cooperative learning model Numbered Heads Together (NHT) assisted by analog clock media. The research involved 25 students and employed a Classroom Action Research (CAR) design conducted over three cycles, each consisting of four stages. Evaluation tests were administered at the end of each cycle, and the results were analyzed using descriptive quantitative methods in the form of percentages, mean scores, and learning achievement rates. The findings revealed significant improvement across the cycles: in Cycle I, the individual and classical mastery rate was 48% with an average score of 78.7; in Cycle II, it increased to 84% with an average of 84; and in Cycle III, it reached 100% with an average score of 92.8. These results demonstrate that the use of the NHT model supported by analog clock media effectively improves students' cognitive understanding of time unit concepts. Therefore, this approach can serve as an alternative teaching strategy to enhance student engagement and learning outcomes in elementary mathematics education.
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