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Tambunan, Lois
UNIVERSITAS HKBP NOMMENSEN PEMATANGSIANTAR
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Journal : Indo-MathEdu Intellectuals Journal

 1 
Pengaruh Model Pembelajaran Kooperatif Tipe Student Teams Achievement Devisions (STAD) Terhadap Kemampuan Pemecahan Masalah Matematis Siswa pada Materi Relasi dan Fungsi di SMP Swasta Taman Siswa Pematangsiantar Tanjung, Sahima Rosana; Sidabutar, Ropinus; Tambunan, Lois Oinike
Indo-MathEdu Intellectuals Journal Vol. 6 No. 7 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i7.4475

Abstract

This study aims to determine the effect of the Student Teams Achievement Divisions (STAD) cooperative learning model on the mathematical problem-solving abilities of eighth-grade students in the Relations and Functions subject at Taman Siswa Pematangsiantar Private Junior High School in the 2025/2026 academic year. The research method used was a quantitative approach with regression analysis techniques. The results showed that the STAD learning model had a positive and significant effect on students' mathematical problem-solving abilities. This was demonstrated by the regression equation Ŷ = -36.516 + 2.291X with a regression coefficient value of 2.291. In addition, the coefficient of determination value of 89.3% indicates that the STAD learning model variable contributes strongly to improving students' mathematical problem-solving abilities. Thus, the application of the STAD cooperative learning model can be used as an alternative learning strategy to improve students' mathematical problem-solving abilities in relations and functions.
Co-Authors Adi Putra Ginting Amin Fauzi, Amin Br Regar, Indryanti Saputri Br Ujung, Elisabet Pebrina Buana Maria Gultom Butar-butar, Afriani Canni Loren Sianturi Christa Voni Roulina Sinaga Damanik, Putri Sepriyanti Debora Caronika Agustria Rajagukguk Devi Fierda Situmorang Dwi Pratiwi Elisa, Tuti Elvis Napitupulu Eunike Juliani Lestari Sitanggang Gayus Simarmata, Gayus Golda Novatrasio Sauduran Gultom, Ardo Novandika Gultom, Binsar Tison Gusar, Martua Reynhat Sitanggang Handoco, Ewin Harianja, Derma Helen Ronauli Simanjuntak Hotman Simbolon Julius Martunas Sihite Lestary, Ayunda Lumban Toruan, Marlina Olivia Malau, Octo Laura manik, ria retno Marbun, Yanty Maria Marbun, Yanty Maria Rosmauli Maria Tamara Simangunsong Masni Veronika Situmorang Natalina Purba Pasaribu, Sunggul Pasaribu, Torop Marombun Purba, Yoel Octobe Qarin Khoirani Ramadani Ramadani Rebecca Anugrah Paskah Tambunan Retno, Ria Reydy A. Silalahi Rezesa Febiola Simanjuntak Rick Hunter Simanungkalit, Rick Hunter Sahat Saragih Sahat Sitompul Sauduran, Golda Novatrasio Siagian, Gunaria Siahaan, Theresia Monika Siallagan, Adi Yoshua Siallagan, Frengky Sianturi, Monalisa Frince Sidabutar, Ropinus Silalahi, Mastiur Verawaty Simajuntak, Merry Kristin Simamora, Rianita Simanjuntak, Hendra Simanjuntak, Paska Amoi Sinaga, Christa Voni Roulina Sinaga, Sanni Sirait, Debora Sitompul, Pardomuan Situmorang, Masni Veronika Siva Anastasia Munthe Tambunan, Janwar Tanjung, Sahima Rosana Tiur Yohana Tampubolon Vicky Ana Rebecca Sitompul Yan Verico Manik Yoel Octobe Purba YOEL OCTOBE PURBA Yoel Octobe Purba Yoel Octobe Purba Yuly Christina Hutasoit