<![CDATA[This study was motivated by the low mathematics learning outcomes of third-grade students at SDN Balonggabus in whole number multiplication up to 100, caused by the prevalence of passive lecture methods and a shortage of manipulative learning media. This condition led to low student engagement and cognitive hurdles in grasping multiplication as repeated addition. This study aimed to investigate the effect of Domino Mathematic (DOMATH) media on improving the mathematics learning outcomes of third-grade students at SDN Balonggabus. A quantitative approach using a pre-experimental one-group pretest-posttest design was employed. The research participants consisted of 30 third-grade students at SDN Balonggabus selected via total sampling. Data were accumulated through written achievement tests comprising validated multiple-choice and short-answer items with confirmed reliability (Cronbach's alpha = 0.773). The inferential analysis revealed that the data were normally distributed, and the hypothesis testing through a paired sample t-test yielded a significance value of 0.000 (p<0.05) with a mean difference of -24.600. This substantial improvement proves that integrating educational games through DOMATH media exerts a positive and statistically significant effect on students' mastery of whole number multiplication in primary education. ABSTRAK Penelitian ini dilatarbelakangi oleh rendahnya hasil belajar matematika siswa kelas III SDN Balonggabus pada materi perkalian bilangan cacah sampai 100 akibat dominasi metode ceramah dan keterbatasan media manipulatif. Kondisi tersebut menyebabkan rendahnya keterlibatan aktif siswa dalam membangun pemahaman konsep perkalian sebagai penjumlahan berulang. Penelitian ini bertujuan untuk mengkaji pengaruh penggunaan media Domino Mathematic (DOMATH) terhadap peningkatan hasil belajar matematika siswa kelas III SDN Balonggabus. Metode yang digunakan adalah kuantitatif dengan desain pra-eksperimen berbentuk one-group pretest-posttest design. Subjek penelitian berjumlah 30 siswa kelas III SDN Balonggabus yang dipilih melalui teknik penarikan sampel jenuh. Data dihimpun melalui instrumen tes tertulis berupa soal pilihan ganda dan uraian yang telah teruji validitas dan reliabilitasnya (Cronbach's alpha = 0,773). Hasil analisis data membuktikan bahwa sebaran data berdistribusi normal, dan pengujian hipotesis menggunakan paired sample t-test menghasilkan nilai signifikansi sebesar 0,000 (p<0,05) dengan nilai selisih rata-rata (mean difference) sebesar -24,600. Peningkatan ini membuktikan bahwa integrasi permainan edukatif melalui media DOMATH memberikan pengaruh positif dan signifikan terhadap penguasaan materi perkalian bilangan cacah di sekolah dasar. ]]>
