Tommy Tanu Wijaya
School of Mathematical Sciences, Beijing Normal University

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Designing interactive games for improving elementary school students’ number sense Neni Hermita; Jesi Alexander Alim; Zetra Hainul Putra; Peggi Muharrani Gusti; Tommy Tanu Wijaya; Jerito Pereira
Al-Jabar: Jurnal Pendidikan Matematika Vol 12, No 2 (2021): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (964.342 KB) | DOI: 10.24042/ajpm.v12i2.9983

Abstract

Number sense is an essential primary mathematics material in elementary school that students must master. Learning media may be utilized in elementary schools' teaching and learning process to engage and inspire students to participate in learning activities, particularly mathematics. Therefore, the researchers designed an interactive game using Genially to improve students' number sense. The ADDIE development model was applied in the research and development procedure. In this research, the ADDIE development model began by analyzing problems related to the mathematics learning process in elementary schools, analyzing the environment and work situation, designing an interactive game, developing the game based on validation results from three media experts and two concept experts, and conducting a one-on-one trial. The product feasibility was tested on 46 students who were divided into two classes. Class B served as the experimental class, while Class A served as the control class. The interactive game's validation findings showed that the developed interactive learning media was practical and useful. As a result of the implementation, the experimental class students' grasp the material better than the control class. 
ITEM ANALYSIS USING RASCH MODEL ON GEOMETRY FOR GRADE 1 Jesi Alexander Alim; Neni Hermita; Nila Safitri; Tommy Tanu Wijaya; Zetra Hainul Putra; Jerito Pereira; Melvi Lesma Alim
Al-Bidayah : jurnal pendidikan dasar Islam Vol 13, No 2 (2021): Al-Bidayah : jurnal pendidikan dasar Islam
Publisher : Universitas Islam Negeri (UIN) Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/al-bidayah.v13i2.697

Abstract

The purpose of this research is to analyse the problem associated with the geometry instructional materials for grade 1 students using the Rasch model. This is a descriptive research with a quantitative approach used to obtain information on the Wright map, item measure, and fit for instructors. Data were obtained by distributing a questionnaire containing 10 questions to 30 first-grade students in 192 Public Elementary Schools in Pekanbaru through Google form. The data collected were analysed using the Rasch model assisted by the Winstep or ministep version 3.73 application. The result showed that items 2 and 3 contained very difficult and easy questions, with a 0.30 indicating difficulty level. In conclusion, the test items used are valid and generally not difficult for students