The pandemic covid-19 and the development of information technology and communication is a resistance and challenge for those who are trained to innovate the training pattern. In practice, the distance training as multimedia based learning becomes an alternative implementation pattern that is widely applied by training institutions. In the implementation of this distance training, literacy skills of the participants are required. This study aims to explain the increase in literacy skills of Madrasah Tsanawiyah mathematics teachers through the application of distance training. This study is a quantitative descriptive study on a sample of mathematics teacher training participants at the Surabaya Religious Education and Training Center in 2021. The research design used a one sample pre test-post test with a test as a data collection technique. Then the data was processed using N-Gain analysis techniques and using t-test's SPSS paired sample test method. The results showed that there was an increase in literacy ability in general by 0.842 (high Gain category) with t-test results at = 0.05, df = 34 of 16, 952 > t table (very significant category). Meanwhile, the literacy ability of mathematical content in the geometry aspect showed an increase of 0.618 (medium gain category) with t-test results at = 0.05, df = 34 of 11,153 > t table (very significant category). From the results of this study, it can be concluded that the application of distance training can improve the literacy skills of Madrasah Tsanawiyah mathematics teachers.

This research is a quantitative descriptive study that explains the improvement of students' spatial thinking skills after the implementation of the blended learning-rigorous mathematical thinking model, hereinafter referred to as the BL-RMT model. Spatial thinking ability (KBSp) which is measured in this study is related to the mathematics subject in the aspect of geometry. The design of this study used a "Control Group Pretest-Postest Design" with the research sample being class VIII students at Madrasah Tsanawiyah Negeri 2 Sidoarjo. Data collection uses a test technique with an instrument in the form of questions. Data analysis using normalized Gain test (N-Gain Test) andThe t-test was performed using SPSS Independent samples test. The results showed that in the experimental class the mean value of the KBSp pre test is 68.5593 dan the average test post is 83.5593. Tthere is an increase in the average value of 15 digits and if calculated based on the N-Gain formula, a score of 0.477 is obtained in the medium Gain category. While in the control class, the mean of pre-test KBSp was 67.2581 and the mean of post-test was 75.5161. There isan increase in the average value of 8.258 and if calculated based on the N-gain formula, a score of 0.252 is obtained in the low category. Furthermore, based on the results of the t-test on the KBSp pre-test value, the result was 0.375 with a Sig (2-tailed) value of 0.708 > 0.05 ortcount < t table for  = 0.05, meaning that there is no difference between the pre-test scores of the experimental class and the control class or the two groups are homogeneous.