Designing a Hypothetical Learning Trajectory using Prezi Presentation and GeoGebra Application on Flat-Shaped Triangle Geometry Materials
Nuraini Nuraini (a*,b), Sahat Saragih (a), Nur Azmi (b), Rahmi Ramadhani (a,c)

a) Postgraduate Program, Universitas Negeri Medan
Jl. William Iskandar Psr V, Medan, Indonesia
*nuraini[at]iainlhokseumawe.ac.id
b) Faculty of Tarbiyah and Teaching Training, IAIN Lhokseumawe
Jl. Medan-B. Aceh KM. 275 No. 1 Buket Rata-Alue Awe Muara Dua, Lhokseumawe, Indonesia
c) Faculty of Engineering and Computer Sciences, Universitas Potensi Utama
Jl. K.L. Yos Sudarso KM. 6,5 No. 3-A Tanjung Mulia, Medan, Indonesia

Abstract

Technology is one of the main factors that has a critical role in upgrading the quality of learning math. Aside from being an adaptation to the rapid advancement of ICT, it is also a visualization aid for abstract math for developing an understanding. A Prezi presentation and GeoGebra application are technologies that can be used as a medium for learning math. Prezi Presentation is used as a presentation medium, and GeoGebra has become a dynamic medium to improve the understanding of geometry. Both of them have a positive impact on training the ability to think about math, experience meaningful learning, and can be used as an alternative in designing a hypothetical learning trajectory on triangle types of concepts. This study aims at designing a hypothetical learning trajectory (HLT) using Prezi presentation and GeoGebra on the triangle types of material. The HLT is designed in accordance with a student^s character so that it is easy to construct an independent understanding related to triangle types by using dynamic technology such as Prezi and GeoGebra. This study uses a design research approach through three phases: introduction, design experiments, and retrospective. This was done only in the preliminary phase to produce the first prototype in the form of HLT on the triangle type concept. The HLT will be examined in the next research and will be analysed retrospectively to make learning instructional theory (LIT) the final product.

Keywords: Design research- hypothetical learning trajectory- Geometry- geogebra- prezi presentation

Topic: Mathematics Education