%T The Relationship Between the Ability of Understanding Mathematical Concepts With Language Ability During Contextual Learning %L repounp38845 %X Increasing the ability of the left brain can have a positive effect on the understanding of mathematical concepts. The purpose was to test whether there was a positive direct effect on students' language skills through contextual learning based on Padang (Pariaman) Tabuik Culture on their ability to understand mathematical concepts. It was survey research. The sample was selected simple random as many as 100 people from 389 students of SMA N 3 Padang Indonesia. The sample has attended lectures through contextual learning based on Padang Tabuik culture for 8 weeks. The research instrument was a test of language skills and the understanding of mathematical concepts. Quantitative data were analyzed using a structured equation model. It is analyzed using a Lisrel application program. The conclusion of this study is that students' language skills through contextual learning based on Padang Tabuik Culture have a positive direct effect on their ability to understand mathematical concepts. %A Salmaini Salmaini %A Ahmad Fauzan %A I Made Arnawa %A Darmansyah Darmansyah %A Wahyu Widada %C Indonesia %K Conceptual comprehension ability, Language ability, Contextual learning. %D 2020 %P 428-433