This study aims to determine whether there is an effect of online online learning (google classroom) using an ethnomathematical-based scientific approach to the problem solving and mathematical communication skills of eighth grade students of SMPN 02 Bengkulu City. The population in this study was class VIII SMPN 02 Bengkulu City Even Semester for the 2020/2021 Academic Year. The samples of this study were students of class VIII C as an experimental class by applying online learning (google classroom) using an ethnomathematical-based scientific approach to problem solving and mathematical communication skills and class VIII A students as a control class by applying conventional learning through WhatsApp. Data analysis was performed using a two-way ANOVA test for data with normal and homogeneous distribution. Based on the results of the study, the percentage of problem solving and mathematical communication skills of experimental class students was higher than the control class, namely 81% and 73% in the high category. The results of the hypothesis test obtained that the value of F_count > F_table, then H₀ was rejected with a significance level of 5% and F_table = 3.99. On the value of Google Classroom learning with conventional learning on problem solving abilities F_count = 7.9. The score on the problem solving ability of high-skilled students with low-ability students' F_count = 8.86. The score on the interaction of learning factors and the ability to solve students' problem solving abilities F_count = 7.41.