Improving Elementary School Students' Mathematics Problem Solving Skills Through Problem-Based Learning (PBL) Based on Higher Order Thinking Skills (HOTS): Implementation of Lesson Study

Main Article Content

Qomsiatun Munawaroh
Murfiah Dewi Wulandari
Heni Tina Maya Astuti

Keywords

HOTS, Mathematical problem solving, PBL

Abstract

Mathematics is a subject that requires critical and creative thinking skills to solve problems. Meanwhile, this research aims to determine the effectiveness of using PBL (Problem Based Learning) based on HOTS (Higher Order Thinking Skills) to improve students' skills in solving mathematical problems. This research is classroom action research with two cycles, each cycle consisting of planning, implementation and observation (act & observe), and reflection. The target of this research was the fifth grade students of SD N Wirogunan 03, totaling 11 students. Data was obtained from the results of formative tests by answering 10 questions, and activity observation sheets. The research results show that students' mathematical problem solving skills have increased. Cycle I experienced an average increase of 17.95% and cycle II experienced an average increase of 31.85%. Based on the research results, it shows that HOTS-based PBL can improve students' mathematical problem solving skills and is effective on the mathematics learning outcomes of fifth grade students at SD N Wirogunan 03 Kartasura

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