Ulfa Annisa Lubis
Universitas AlWashliyah

Published : 3 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 3 Documents
Search

PENGARUH MODEL PEMBELAJARAN BERDIFERENSIASI BERBASIS ETNOMATEMATIKA TERHADAP KEMAMPUAN LITERASI MATEMATIS SISWA Mulia Dewi; Minta Ito Simamora; Ulfa Annisa Lubis
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 Nomor 02, Juni 2026 Public
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.44343

Abstract

This study aims to determine the effect of ethnomathematics-based differentiated learning model on students' mathematical literacy skills. The study was conducted at Pancasila Tanjung Beringin Private Junior High School in the 2025/2026 academic year with a Posttest-Only Control Group Design. The research sample consisted of 51 students divided into two classes. Class VIII A is the experimental class with 25 students using the differentiated learning model, while class VIII B is the control class with 26 students using the conventional learning model. The research instrument is in the form of essay questions that have been tested for validity and reliability. The results of the analysis show that the average posttest score of the experimental class is 79.00, higher than the control class of 60.14. So, the average difference is 18.86. The prerequisite test shows that the data is normally distributed and homogeneous. The t-test results show that the Sig. (2-tailed) = t_count (5.665) > t_(table) (2.01), and Sig. (2-tailed) = 0.000 < 0.05, it can be concluded that there is a significant average difference between the posttest results of the two classes. The effect size calculation obtained a Cohen's d value of 1.6 in the "Very Large" category, which means that the differentiated learning model has an influence on improving students' mathematical literacy abilities. Thus, it can be concluded that the application of the ethnomathematics-based differentiated learning model has a significant and positive effect on improving students' mathematical literacy abilities as seen from the average learning outcomes.
PENGARUH MODEL THINK PAIR SHARE DAN THINK TALK WRITE BERBASIS BUDAYA MELAYU BERBANTUAN WEB MATHIGON TERHADAP PEMAHAMAN KONSEP MATEMATIS Neni Herawati; Israq Maharani; Ulfa Annisa Lubis
Al-Irsyad Journal of Mathematics Education Vol 5 No 1 (2026): Januari - Juni 2026
Publisher : Sekolah Tinggi Keguruan dan Ilmu Pendidikan Darud Da'wah Wal Irsyad Pinrang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58917/ijme.v5i1.499

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran Think Pair Share dan Think Talk Write berbasis budaya Melayu berbantuan Web Mathigon terhadap pemahaman konsep matematis siswa. Penelitian ini menggunakan metode eksperimen jenis penelitian kuantitatif dengan desain Post-test Only Control Group Design, dilaksanakan di SMP Negeri 25 Medan pada semester ganjil tahun ajaran 2025/2026. Populasi penelitian adalah seluruh siswa kelas VII berjumlah 268 orang, dengan sampel 60 siswa yang terbagi dalam kelas VII-A eksperimen Think Talk Write dan VII-G control Think Pair Share. Instrumen penelitian berupa RPP, LKPD, media pembelajaran, dan soal posttest yang telah divalidasi oleh ahli dengan hasil rata-rata di atas 4,70 (kategori sangat baik) dan reliabilitas Cronbach Alpha 0,749 (sangat tinggi). Hasil penelitian menunjukkan rata-rata nilai posttest kelas eksperimen (76,17) lebih tinggi dibandingkan kelas kontrol (64,33). Uji-t independen menghasilkan t_(hitung =) 2.416 > t_(tabel )2,001 dengan signifikansi 0,019 < 0,05, sehingga terdapat perbedaan signifikan antara kedua model pembelajaran. Uji effect size menghasilkan Cohen’s d = 0,6238 (kategori besar), yang berarti model Think Talk Write berbantuan Web Mathigon berbasis budaya Melayu berpengaruh signifikan dalam meningkatkan pemahaman konsep matematis siswa.
PENINGKATAN PEMAHAMAN GEOMETRI TRANSFORMASI DENGAN PEMBELAJARAN E-LEARNING BERBASIS MASALAH KEARIFAN LOKAL Khoiruddin Matondang; Ulfa Annisa Lubis; Risna Mira Bella Saragih; Melani Prasiska
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol. 14 No. 4 (2025)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/ajpm.v14i4.11107

Abstract

Students often have difficulty understanding the concept of transformation geometry because it is abstract and has little to do with the real context. One of the causes is less meaningful and non-contextual learning. Therefore, one of the efforts that can be made is based on local wisdom. On the other hand, e-learning as an educational innovation has been widely used, but its application has not been optimal, especially to explain visual and abstract concepts such as transformation geometry. Therefore, an e-learning approach is needed that integrates contextual problems based on local wisdom to improve student understanding. This study aims to discuss the effect of e-learning learning based on local wisdom problems on improving students' understanding of transformation geometry. The research was conducted at Al-Azhar High School Medan, the subject of class XII research was 146 students who were selected by random sampling to select samples. The type of research used was quasi-experimental with a pretest-postest control group design. Data collection used a transformation geometry understanding ability test, including indicators of translation, dilation, reflection and rotation. The significance value of the Independent Sample t Test 0.00 < 0.05 means that there is a significant difference in the increase (gain) of experimental students with the control class. Through these results, it can be concluded that e-learning based on local wisdom problems has an effect on improving students' understanding of transformation geometry. The results of the dilatation indicator gain were 0.51, translation 0.54, reflection 0.47, rotation 0.44 with each category moderate.