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Upaya Peningkatan Kemampuan Geometri Siswa SMP ST. Antonius Padua Sentani Melalui Pendekatan Matematika Realistik

JURNAL PENGABDIAN PAPUA · Vol. 10 No. 1 (2026) · pp. 25–31

DOI
10.31957/jpp.v10i1.5135
ISSN
2579-9592, 2550-0082
Published
2026-03-03
Publisher
LPPM Uncen
Language
eng
License
creativecommons.org/licenses/by-nc-sa/4.0

Abstract

Conceptual understanding is central to geometry learning, yet many junior high school students find geometric objects and their properties highly abstract. This community service program was conducted at SMP St. Antonius Padua Sentani, Jayapura Regency to strengthen Grade VIII students’ understanding of plane and solid geometry through a Realistic Mathematics Education (RME) approach. The program used context-based problems, concrete manipulatives, guided discussions, and structured practice. Program effectiveness was evaluated using a one-group pretest-posttest design (n=20). The mean score increased from 34 (pretest) to 41 (posttest) with an N-gain of 0.11 (low). Although the learning gains were modest, the activities improved student engagement and supported the transition from contextual situations to formal geometric representations. The results suggest that continued implementation and repeated cycles of RME-based instruction with richer tasks and longer duration are needed to achieve stronger learning gains.

Collaboration network of the authors

9 authors · 22 co-authorship links

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Co-authorOrganisationJoint articles
IRFAN WAHYUDIAffiliation unknown7
Natasya I. ParendenAffiliation unknown3
Lintia N. SantiAffiliation unknown3
Untung TuruaAffiliation unknown2
Mingsep R. SampebuaAffiliation unknown1

Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.

Metadata source: OAI-PMH (metadata jurnal) https://ejournal.uncen.ac.id/index.php/JP/oai, first harvested 1 Nov 2026, last seen 1 Nov 2026.
Original metadata (oai_dc) 
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	<dc:title xml:lang="en-US">  Upaya Peningkatan Kemampuan Geometri Siswa SMP ST. Antonius Padua Sentani Melalui Pendekatan Matematika Realistik </dc:title>
	<dc:creator>Ruru, Yacob</dc:creator>
	<dc:creator>Hutabarat, Ida M.</dc:creator>
	<dc:creator>Situmeang, Radian J.</dc:creator>
	<dc:creator>Watori, Halle F.P.</dc:creator>
	<dc:description xml:lang="en-US">Conceptual understanding is central to geometry learning, yet many junior high school students find geometric objects and their properties highly abstract. This community service program was conducted at SMP St. Antonius Padua Sentani, Jayapura Regency to strengthen Grade VIII students’ understanding of plane and solid geometry through a Realistic Mathematics Education (RME) approach. The program used context-based problems, concrete manipulatives, guided discussions, and structured practice. Program effectiveness was evaluated using a one-group pretest-posttest design (n=20). The mean score increased from 34 (pretest) to 41 (posttest) with an N-gain of 0.11 (low). Although the learning gains were modest, the activities improved student engagement and supported the transition from contextual situations to formal geometric representations. The results suggest that continued implementation and repeated cycles of RME-based instruction with richer tasks and longer duration are needed to achieve stronger learning gains.</dc:description>
	<dc:publisher xml:lang="en-US">LPPM Uncen</dc:publisher>
	<dc:date>2026-03-03</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://ejournal.uncen.ac.id/index.php/JP/article/view/5135</dc:identifier>
	<dc:identifier>10.31957/jpp.v10i1.5135</dc:identifier>
	<dc:source xml:lang="en-US">JURNAL PENGABDIAN PAPUA; Vol. 10 No. 1 (2026); 25-31</dc:source>
	<dc:source xml:lang="id-ID">JURNAL PENGABDIAN PAPUA; Vol 10 No 1 (2026); 25-31</dc:source>
	<dc:source>2579-9592</dc:source>
	<dc:source>2550-0082</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://ejournal.uncen.ac.id/index.php/JP/article/view/5135/3523</dc:relation>
	<dc:rights xml:lang="en-US">https://creativecommons.org/licenses/by-nc-sa/4.0</dc:rights>
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