CD Tesis
Pengembangan E-LKPD Materi Aritmetika Sosial Berbasis Pendekatan Kontekstual Untuk Memfasilitasi Kemampuan Pemecahan Masalah Matematis Peserta Didik SMP
According to the Regulation of the Minister of National Education of the Republic of Indonesia Number 21 of 2016, one of the objectives of learning mathematics in secondary schools is to equip students with mathematical problem solving abilities (KPMM). However, in reality the participants' KPMM is still low, which is supported by several previous studies which show that the results of the students' KPMM test analysis are low. This is also supported by the results of the researcher's interview with one of the mathematics teachers at SMPN 03 Bangkinang, it was found that when learning took place it was not uncommon for students to be unenthusiastic, passive, and lazy to ask questions. Teachers also find it difficult to focus the attention of students. Then when faced with a problem students experience difficulties in solving the given problem.
One of the efforts that can be made to bring out the KPMM of students is through a learning approach that can stimulate students to be active, where in learning students are fully involved to be able to find themselves so that students have an independent attitude in learning. One approach that can be an alternative in having a positive impact on students' KPMM is a contextual approach. The selection of teaching materials by the teacher is also one of the factors that can determine success in the learning process. One of the teaching materials that can be used is E-LKPD. The existence of E-LKPD allows students to be able to access anywhere and anytime when students want to study with a PC or smartphone. The aim of the research is to develop an E-LKPD on social arithmetic material based on a valid and practical contextual approach to facilitate KPMM for junior high school students.
The research conducted is a development research with a 4D model (Define, Design, Development, Disseminate). Data collection techniques consisted of interviews and questionnaires in the form of validation questionnaires and student response questionnaires. E-LKPD is oriented towards 7 components of a contextual approach, namely constructivism, inquiry, asking, learning communities, modeling, reflection and authentic assessment by paying attention to the stages of mathematical problem solving ability, namely understanding problems, making plans, implementing plans, and looking back at results . This research begins with the define stage, namely to determine the basic problems underlying the development of the E-LKPD. At this stage the researcher conducted an initial-end analysis, student analysis, task analysis, concept analysis, and formulation of learning objectives.
The second stage is the design stage. At this stage the preparation of test standards, media selection, format selection, and initial design is carried out. At this stage it produces a visualization of the initial design of the E-LKPD. The E-LKPD is designed to produce a draft E-LKPD which includes titles, identity columns, basic competencies, indicators, study guides, and work steps. The third stage is the development stage. At this stage self-evaluation, expert review, one-
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to-one, and small group are carried out. At the prototype stage 1 it was evaluated at the self evaluation stage. Furthermore, prototype 1 entered the expert review and one-to-one stages. At the expert review stage of the Electronic E-LKPD, the social arithmetic material that had been designed was then validated by three validators. The results showed that the E-LKPD had very valid criteria with an average percentage of 88.40% based on the expert review stage. Furthermore, based on the results of the small group, an average percentage of 90.57% was obtained with very practical criteria. The valid and practical E-LKPD is then disseminated by making articles published in journals, sharing the E-LKPD via the liveworksheet itself, which means that E-LKPD can be accessed by anyone, and distributed to other schools.
Key Words : E-LKPD, Contextual Approach, Social Arithmetic, Mathematical Problem Solving Ability.
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