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Journal : m a t h l i n e jurnal matematika dan pendidikan matematika

Development of Differentiated Teaching Materials Based on Prior Knowledge to Improve Mathematics Learning Outcomes of Junior High School Students Dwi Maryani; Mardiyana Mardiyana; Riyadi Riyadi
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 11 No. 2 (2026): Mathline : Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v11i2.1171

Abstract

Classrooms in Indonesian junior secondary schools increasingly comprise students with diverse levels of prior mathematical knowledge, creating challenges for teachers in providing instruction that accommodates different learning needs. The availability of differentiated teaching materials is therefore essential for supporting effective implementation of differentiated instruction within the Merdeka Curriculum. This study aimed to develop differentiated teaching materials based on students' prior mathematical knowledge and to evaluate their validity, practicality, and effectiveness in improving mathematics learning outcomes on the topic of Flat-Sided Solid Figures. The study employed a Research and Development (R&D) approach using the ADDIE instructional design model. Three series of teaching materials were developed to accommodate students with low, moderate, and high levels of prior mathematical knowledge while maintaining common learning objectives. The validity of the materials was evaluated by three experts in mathematics content, language, and educational media. Practicality was assessed through teacher and student response questionnaires, whereas effectiveness was examined using a quasi-experimental Nonequivalent Control Group Design involving 63 Grade 8 students (experimental group, n = 31; control group, n = 32). The differentiated teaching materials achieved an overall validity score of 4.23 (Very Valid). Practicality evaluation indicated positive responses from students (79.92%; Practical) and teachers (85.27%; Very Practical). The effectiveness test showed that students in the experimental group achieved significantly higher mathematics learning outcomes than those in the control group (t = 2.976 > tcritical = 1.670, α = 0.05). The findings indicate that differentiated teaching materials based on students' prior mathematical knowledge provide a valid, practical, and effective instructional resource for supporting differentiated mathematics instruction in Indonesian junior secondary schools.
Co-Authors A'ini, Wahyu Nur Abdul Aziz Hidayat Abdul Razak Abdul Razak Abi Fadila Achmad Ridwan, Achmad Adeyanto, Rizki Adeyanto, Rizki Adi Wahyu Kuncara Ahmad Ahmad Ahmad Ahmad Ahmad, Ahmad Aji Permana Putra Alfonsa Maria Sofia Hapsari Ali Fakhrudin Ali Fakhrudin, Ali Amiratih Siti Aisyah Anastasya Ramadiana Andriawan Nurcahyo, Andriawan Anesa Surya Anggreini, Dewi Anik Twiningsih Anita Dewi Utami Anna Setyowati Anna Setyowati Annisa Ayu Kuserawati Annisa Fatiah Ardiantoro, Gigih Ardiantoro, Gigih Ardiyani, Shila Majid Arifa Apriliana Arifa Apriliana, Arifa Ariftina, Kartika Ayu Hidayah Arinta Rara Kirana Ariska Yuliana Putri Ariska Yuliana Putri Arsa’ad Kurniadi Arsa’ad Kurniadi Arum Dwi Rahmawati Dwi Rahmawati, Arum Dwi Rahmawati Dwi Arumanda, Hesa Resti Arumingtyas, Pramesti Asera, Gesti Ayu Diah Asih Duwi Mawartini Aslam Aslam, Aslam Asy’ari Asy’ari Asy’ari, Asy’ari Asyraf, Asyraf Atik Wahyuni Atmaja, Idam Ragil Widianto Aulia Azizah Aulia Musla Mustika Aulia Musla Mustika author Ari Suningsih Awaluddin Tjalla Banowati, Charunia Putri Bayu Kurniawan, Sandra Berti Dyah Permatasari Broto Apriliyanto Budi Usodo Budi Usodo Budi Usodo Budi Usodo Budi Usodo Budi Usodo Budi Usodo Budi Usodo Budi Usodo Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono, Budiyono Budiyono, Budiyono Burhan Mustaqim Cahyono, Yogi Bagus Dwi Chandra Ramdhan Shilton Chasanah, Anna Nur Chumdari Chumdari, Chumdari Darmono, Prasetiyo Budi Deni Zein Tarsidi Desy Nur Wulandari Desy Nur Wulandary Dewi Kurniasari, Dewi Dewi Rahmawati Noer Jannah Dewi Retno Sari S Dewi Retno Sari Saputro, Dewi Retno Dewi Shinta Dewi, Sri Candra Diana Tri Purnamasari Diari Indriati Dita Qondiyana Djumaliningsih, Nosa Putri Dwi Maryani Dwi Yuni Pramugarini Dwiani Listya Kartika Dwiani Listya Kartika, Dwiani Listya Dyah Susilawati Dzikri, Fais Ahla E.P.U, Moertiningsih Edi Irawan Edi Irawan Edi Irawan Edi Irawan Edi Irawan Eka Agustina Khairunnisa Eka Nur Azizah Eka Nur Azizah Endah Asmarawati, Endah Endah Wulantina, Endah Endang Sri Handayani ERLAN SISWANDI Ernamasari, Navalia Dewi Erni Susanti Ersalina Widya Rahma Ersam Mahendrawan Fadhilah, Miming Farah Heniati Santosa Farah Heniati Santosa, Farah Heniati Farida Nurhasanah Farrasa Nabiila Fatir, Fatir Fika Widya Pratama Fitri Andika Nurussafa’at, Fitri Andika Fitri Andika Nurussafa’at Fitriani, Nur Syarifah Fransiska Januarti Gusman Gatut Iswahyudi Gita Indah Purnama Putri Gunarhadi Gunarhadi Gunarhadi Gunarhadi Gunarhadi Gunarhadi Gunarhadi, Gunarhadi Guritno Ari Wibowo Guritno Ari Wibowo Hadi Mulyono Hadi Mulyono Hadiyah, Hadiyah Halimah Halimah Haliza, Ayuputri Ekka Nur Hanafiah, Anis Hanafiah, Anis Hapsari, Alfonsa Maria Sofia Hapsari, Happy Tias Hartono Hartono Hartono Hartono Hartono, Edy Hasan Mahfud Hasanah, A.K Uswatun Hasna Rezkya Salma Hendrayanto, Dhani Nur Hesti Yuni Ayu Lestari Hidayah, Hidayah Hidayat Bahktiar Hidayat Bahktiar, Hidayat Hidayat, Edisut Taufik Hidayat, Edisut Taufik Hidayatulloh Hidayatulloh Hidayatulloh Hidayatulloh I.R. Widianto Atmojo Ichsanudin, Amin Idam Ragil Widianto Atmojo Idam Ragil Widianto Atmojo Ikhsan Abdul Latif Ikrar Pramudya, Ikrar Imam Sujadi Imam Wijaya, Henry Putra Indah Slamet Budiarti Indah Slamet Budiarti, Indah Slamet Indriana Dewi Irawan, Edi Irma Ayuwanti Irma Ayuwanti Irma Fatmawati Irnistisia, Firna Irnistisia, Firna Isnaeni Umi Machromah Isvana Munawaroh Iswahyudi, Gatut Iswanti, Partia Iva Sarifah Ivana Ivana Ivana Jenny Indrastoeti Siti Poerwanti Jenny Indrastoeti Siti Poerwanti Joko Daryanto Joko Daryanto Joko Daryanto Juitaning Mustika Juliana Nasution Justiarani, Justiarani Karsono Karsono Kartika Chrysti Suryandari Kartono , Khusnul Khotimah Kumalasari, Fatmawati Kuncara, Adi Wahyu Kurniasari Elsya Rosyana Kurniasari, Dewi Kurniawan, Sandra Bayu Kurniawati, Anna Kurniawati, Rina Kusmayadi, Tri Atmojo Kusmayadi, Tri Atmojo Kusuma, Elisabet Dyah Lenny Puspita Dewi Lestari, Anggita Puji Lestari, Hesti Yuni Ayu Lies Lestari Lies Lestari Lina Utami Luthfiana Mirati, Luthfiana Luthfiyah Nanda Bertha Armelia M Ismail Sriyanto M. Ismail Sriyanto Maghfiroh Yanuarti Maghfiroh Yanuarti Mania Roswitha Mania Roswitha Mardani, Sri Mardiyana Mardiyana Maryani, Lis Masriani . Matsuri . Matsuri, Matsuri Mayangsari, Lisa Mayra Robby Mauliona Merrydian, Siska Mida Nurani Miftachudin Miftachudin Miftachudin, Miftachudin Moertiningsih E.P.U Moh Salimi Mufarrihah, Iftitaahul Muhammad Gazali Muhammad Gazali Muhammad Ismail Sriyanto Muhammad Ismail Sriyanto Muhammad Ismail Sriyanto, Muhammad Ismail Muhammad Syarif Hidayatussalam Mulyadi Mulyadi Mulyadi Mulyadi Mulyaningrum Lestari, Mulyaningrum Musrika, Musrika Mustika, Aisyah Senja Najmul Laila Nia Apriyanti Niken Nur Amelia Nina Nurmasari Nina Nurmasari Ningroom, Rita Arfi Astuti Nok Yeni Heryaningsih Nok Yeni Heryaningsih, Nok Yeni Noor Hidayati Noor Hidayati Noppitasari, Nur Nosa Putri Djumaliningsih Novitasari, Evi Noviyanti, Ika Nurma Nugraheni, Fauziah Nur Syarifah Fitriani Nuraini Muhassanah Nurlina, Linda Fitri Nurudin, M. Nurul Amalia K W Nurul Amalia K W Nyoto Nyoto Nyoto Nyoto, Nyoto Oka Tamaraningtyas Parahita, Niendya Ashiefa Parahita, Nindya Ashiefa Patrisius Afrisno Udil, Patrisius Afrisno Peduk Rintayati Peduk Rintayati Prabowo, Haniftia Haqqiendini Pramudya, Ikrar Pratama, Riska Widya Pratiwi, Rani Pratiwiningrum, Yunita Prestanti Hayuningtyas Priyogo, Adi Puji Ayuni Puji Ayuni Putri, Faradila Arfina Qurrotu’aini, Zuhrotusy-Syarifah Raihana Aisyah Rany Widyastuti Rejeki, Suprapti Rima Aksen Cahdriyana Rima Aksen Cahdriyana Rina Kurniawati Rini, Indah Mustika Riska Widya Pratama Riswandha, Septian Henry Rizqi Aditya Nugraha Rose Andriyani Saputri Roslinawati Roslan, Roslinawati Rosyida, Entyka Mayhasti Roy Ardiansyah Roy Ardiansyah, Roy S Retnowati S Siswanto S Subanti Saa'dah, Aprilia Lailatus Sadono, Ibnu Sajidan Salmianti, Salmianti Samsi Suryanjani Sandi Sandi Sandra Bayu Kurniawan Sandra Kurniawan Saputri, Alinggi Nindi Saputri, Dwi Yuniasih Saputri, Rose Andriyani Saraswati, Dwi Selvi Marcellia Septi Triyani Setiasih, Clara Hernika Sherly Mayfana Panglipur Yekti Shila Majid Ardiyani Shila Majid Ardiyani Sigit Pamungkas Sigit Pamungkas Siswanto Siswanto Siswanto Siswanto Siti Kamsiyati Siti Kamsiyati Siti Komsatun Siti Wahyuningsih Siti Wahyuningsih Siti Wahyuningsih Slamet Riyadi Sonny Ari Wibowo Sri Hartati Ningsih Sri Hartati Ningsih Sri Marmoah Sri Subanti Sri Yamtinah Sriyanto, M. Ismail Sriyanto, Muhamad Ismail Sriyati, Sriyati Sudiyanto Sudiyanto Sudiyanto Sudiyanto Sugeng Priyanto, Sugeng Sugihardjo Sugihardjo Sugihardjo Sugihardjo Sulaiman Sulaiman Sumanah Sumanah Sumanah Sumanah Supianto supianto supianto Suprapti Rejeki Susilawati, Dyah T A Kusmayadi T Dwi Hastuti Tanti Listiani Tanti Listiani, Tanti Tarmo Tarmo Tarmo, Tarmo Titik Yuniarti Tri Atmojo Kusmayadi Tri Atmojo Kusmayadi Tri Atmojo Kusmayadi Tri Atmojo Kusmayadi Tri Atmojo Kusmayadi Tri Atmojo Kusmayadi Tri Budiharto Tri Silaningsih Tri Silaningsih Triana Jamilatus Syarifah Triyanto . Triyanto . Triyanto . Triyanto Triyanto Triyanto, Triyanto Tunggu Biyarti Twiningsih, Anik Tyas, Wahyu Handining Ulfa Masamah Ulfa Masamah, Ulfa Ummi Rosyidah Ummi Rosyidah, Ummi V Kartikaningtyas Veronika Yusnita Andriani Prastika Via Yustitia Vita Purnamasari Vivi Fenty Anggraeny Vivi Fenty Anggraeny Wahyu Prihatiningrum Wahyu Prihatiningrum Wahyumiarti Wahyumiarti, Wahyumiarti Wahyuni, Heru Dwi Wardani Rahayu Wardani, Dwi Isna Widiyastuti, Isna Widodo Widodo Yekti Putri Kusumaningtyas Yekti Putri Kusumaningtyas Yuliana Yuliana Yulianti Yulianti Yulianti Yulianti Yuniarti, Titik Zahara Yuyun Nailufar Zara Mertiana RZ Zara Mertiana RZ Zulfa, Faradina Nilam