Improving Mathematics Problem-Solving Ability Through The Application Of The Double Loop Problem Solving (Dlps) Learning Model With Guided Discovery Method Based On Rubik's Cube Media On Building Cube Room Students Of Ungaran 4 State School

Titikusumawati-M.Pd, Eni (2023) Improving Mathematics Problem-Solving Ability Through The Application Of The Double Loop Problem Solving (Dlps) Learning Model With Guided Discovery Method Based On Rubik's Cube Media On Building Cube Room Students Of Ungaran 4 State School.

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Abstract

Abstract The purpose of this study was to determine the increase in mathematical problem solving abilities using the DPLS learning model with the Guided Discovery method based on Rubik's Cube media on the cube space building material for SMP N 4 Ungaran students. This study uses classroom action research (CAR), with 2 cycles consisting of 4 stages of planning, implementation, observation and reflection. The population in this study was class VIII SMP Negeri 4 Ungaran for the academic year 2021/2022, class VIII-B obtained and became the research sample through a sampling technique, namely observation consisting of 34 students. Data collection techniques used observation sheets, post test tests, questionnaire sheets, documentation, and field notes. The analysis of the instrument trial used validity, rehabilitation, level of difficulty, and differentiating power. The results of this study showed an increase in each cycle, in the first cycle the students who achieved the success indicator value 75 (T) were 25 students or 73.53% with an average value of 77.15. Meanwhile, the increase in the second cycle as many as 30 students reached the indicator or 88.24%, with an average value of 86.24, and the results of the student response questionnaire showed a percentage result of 81%, which means they strongly agree/like. The conclusion of the research: that the application of the DPLS learning model with the guided discovery method based on the rubric's cube media can improve the mathematical problem solving ability of class VIII B students of SMP N 4 Ungaran, on the material of building a cube space. Keywords: Models DPLS, Guided Discovery, Rubric`S Cube, Mathematical Problem Solving Ability, Building Cube Space

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