The development of Industry 4.0 requires an increase in teacher innovation in conducting mathematics learning process in elementary school. Development of Industry 4.0 is not accompanied by an increase in teachers ability to innovate learning. The purpose of this training is to improve teachers ability to develop a digital class model in mathematics learning in elementary schools by utilizing social learning network schoology. This training method is to provide guided training to elementary school teachers. The results stated that teachers motivation and skills in developing digital classroom models in mathematics learning by utilizing social learning network schoology increases. The implication of this training is as teachers' reference in developing a digital class model in their respective schools.

The background of the research was the use of educative game which used as instructional media based on android was rarely use even though 21st century instructional, instructional model and instructional media did not have limitation and done by helping of technology information and communication. This research aims to produce educative game "Word Find" for instructional media based on android which is valid, practical, effective, interesting and fun on social science course. This kind of research was research and development (R&D). 4-D model was used as development model. The research did in SDN 54 Payakumbuh. The subject of research was grade six students. Validity test data was gotten through media validation sheets by media, material and language expert. Practicality data was gotten through assessment sheet; teacher, students and the parents respond questionnaire. The effectiveness was seen from students learning result. The data was analyzed based on research result. the results of this study are produced educational games that are valid, practical and effective. The results of this study are produced educative games that are valid, practical and effective.

This article aims to determine the effectiveness of learning by including teaching material on the Edmodo and schoology application towards learning outcomes in fourth-grade elementary schools. Research data were collected quantitatively with experimental research using pre-experimental methods. Based on data analysis, the results of hypothesis testing using the t-test (t-test) were 12.03 and at the real level α = 0.05 thus t-count> t-table then H1 was accepted and H0 was rejected. There are differences in learning outcomes between students who use the Edmodo application before and after teaching material is given. Thus, the results show that Edmodo applications incorporated into teaching materials are more effectively used towards learning outcomes.

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