LUBIS, M.S. 2019. Students’ Ability in Comprehending Vocabularies in Mathematics: A case at Islamic Junior High School (Madrasah) in North Sumatera. Ta’dib: Jurnal Pendidikan Islam. 24, 2 (Dec. 2019), 283–292. DOI:https://doi.org/10.19109/td.v24i2.3917.