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Abstract.A developed instructional media can be as printed media, visual media, audio media, and multimedia. The development of instructional media can also take advantage of technological development by utilizing Edmodo social network. This research aims to develop a digital classroom learning model using Edmodo social learning network for elementary school mathematics learning which is practical, valid and effective in order to improve the quality of learning activities. The result of this research showed that the prototype of mathematics learning device for elementary school students using Edmodo was in good category. There were 72% of students passed the assessment as a result of Edmodo learning. Edmodo has become a promising way to engage students in a collaborative learning process.

Kegiatan ini dilatarbelakangi oleh rendahnya pengetahuan dan keterampilan guru dalam mengembangkan pembelajaran berbasis HOTS serta rendahnya keterampilan guru dalam mengembangkan bahan ajar berbasis HOTS untuk siswa sekolah dasar. Tujuan kegiatan ini adalah untuk meningkatkan pengetahuan dan keterampilan guru dalam mengembangkan pembelajaran berbasis HOTS serta meningkatkan keterampilan guru dalam mengembangkan bahan ajar berbasis HOTS untuk siswa sekolah dasar. Kegiatan ini dilaksanakan untuk guru SD yang berada di Kota Padang sebanyak 25 orang. Metode kegiatan dengan memberikan seminar hakiakt HOTS, pelatihan pelaksanaan pembelajaran HOTS dan pelatihan pengembangan bahan ajar berbasis HOTS. Hasil kegiatan ini adalah meningkatnya pengetahuan dan keterampilan guru dalam melaksanakan proses pembelajaran berbasis  HOTS serta meningkatknya keterampilan guru dalam mengembangkan bahan ajar berbasi HOTS. Impilikasi kegiatan ini dapat dijadikan referensi bagi praktisi pendidikan untuk mengembangkan kemampuan guru SD dalam proses pembelajaran berbasis HOTS.

The background of this research is that no standard instrument can measure the ability of HOTS PGSD students in lecturesin high-class mathematics education. This study aims to develop HOTS instruments that are valid, effective and practical.This research is development research. The results of this study were 1) produced valid devices based on expert judgment, 2)HOTS instruments produced were also effective in terms of increasing the HOTS category of PGSD students from the lowcategory up to the medium category, and 3) HOTS instruments categorized as very practical both from faculties of lecturersand students. This research implies that this instrument can be used as a standard measurement tool in knowing the ability ofHOTS PGSD students.

This research was aimed at showing the effect of using cooperative learning type Think Pair Share toward learning outcome of math. This research included two classes in class . The classes were chosen by using Random Sampling. The Design was Treatment by Block Design. The result of the study showed that: (1) The result of the study of the students who were taught by cooperative learning type Think Pair Share modelwas higher than the result those tought by conventional model. (2) The result study of male students who were taught by using cooperative learning model type Think Pair Share is higher than the those tought by conventional model. (3) The result study of female students who were taught by using cooperative type was higher than those tought by conventional model. (4) There was no interaction between the learning model with gender toward students result study.