Development and Usability of the Geometry Kit Integrating Inquiry Learning Based Project in the Topic of Space Year Four

This study aims to develop and test the usability of the Geometry Kit (GeoKit) integrating project-based inquiry learning in the topic of Space for Year 4 Mathematics. This study uses a development study design by applying the ADDIE model which consists of five phases namely analysis, design, development, implementation, and evaluation. The sample selection was carried out by simple random sampling of 124 samples consisting of fourth year students in two schools in Batang Padang, Perak. Data was collected through three research instruments, namely a needs analysis questionnaire, content and face validity of GeoKit questionnaire and usability of GeoKit questionnaire. Validation of GeoKit was performed by four experts. The findings of the expert evaluation were analyzed using the Content Validity Index (CVI) while the data of GeoKit needs analysis and usability were analyzed descriptively through frequency, percentage, mean and standard deviation. The findings of the study show that the developed GeoKit has satisfactory validity with I-CVI and S-CVI/Ave values of 1.00. The findings of the study also show the mean score and standard deviation of GeoKit’s usability for the construct of usefulness (M=3.43, SD=0.37), easy to learn (M=3.46, SD=0.39), easy to use (M=3.49, SD=0.50) and satisfaction (M=3.60, SD=0.38) are high. In conclusion, the developed GeoKit has satisfactory validity and high usability. Hence, it implicates that GeoKit that integrates project-based inquiry learning becomes one of the alternative kits that supports active student learning and provides a meaningful learning experience for students in mastering the topic of Space.