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All Journal Uninus Journal of Mathematics Educations and Science (UJMES)
Nengsi Maswi
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Mathematics

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PENGEMBANGAN BUKU KONSEP MATEMATIKA BASIS PROBLEM-BASED LEARNING (PBL) PADA POKOK BAHASAN ALJABAR Nengsi Maswi; Syafri, Fatrima Santri
Uninus Journal of Mathematics Education and Science (UJMES) Vol. 11 No. 1 (2026): Januari 2026
Publisher : Universitas Islam Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30999/ujmes.v11i1.3949

Abstract

This.study.aims.to.produce.a.Problem.Based.Learning. (PBL) .based.mathematics.concept book.on.the.topic.of.algebra.to.improve students’ understanding of algebraic operations. The.method used-is-Research-and-Development- (R&D) -with-the-Plomp-model, -which-consists of three main phases: initial investigation, prototype-development, -and-assessment. The-validation-results-show that the book falls into-the- “very-valid” -category-with scores-of 86.67% from material experts, 93.33% from media experts, and 90% from language experts. Student responses-indicate-a-practicality level of 72.72% (practical). Meanwhile, the learning outcomes show an average score of 71.18, indicating the effectiveness of the book in helping students understand algebraic concepts. Thus, the PBL-based mathematics concept book developed is declared valid, practical, and effective as an alternative teaching material for algebra learning at the junior high school level.
Co-Authors Fatrima Santri Syafri, Fatrima Santri