The Effectiveness of Rainbow Board Media in Enhancing Conceptual Understanding of Addition and Subtraction among Elementary Students

Veri Ikra Mulyadi; Abdul Hadi; Kusik Kusuma Bangsa

doi:10.32806/jf.v14i2.1374

Authors

Veri Ikra Mulyadi STAI Miftahul Ulum Tarate Pandian Sumenep
Abdul Hadi Institut Kariman Wirayudha (INKADHA) Sumenep
Kusik Kusuma Bangsa STAI Miftahul Ulum Tarate Pandian Sumenep

DOI:

https://doi.org/10.32806/jf.v14i2.1374

Keywords:

Rainbow Board Media; addition and subtraction; concrete operations.

Abstract

This research aims to improve students' low activity and ability in addition and subtraction using the "Rainbow Board" media. Using the Kemmis and McTaggart model of Classroom Action Research (PTK), this study systematically analyzed the impact of media intervention in two cycles involving 17 grade II students at MI Darussalam, Manding District, Sumenep. The study identified a significant increase in participation and cognitive learning outcomes: student activity increased drastically from 8 students in cycle I to 16 in cycle II, while learning completeness increased from 10 to 15 students, with a jump in grade average from 71 to 91. Theoretically, these findings confirm that the use of visual manipulative media serves as an effective "cognitive bridge" in aligning abstract mathematical logic with the student's concrete stages of operational development, as postulated by cognitive learning theory. These findings show that the use of Rainbow Board media successfully transforms classroom dynamics, making them more interactive, and effectively increases students' activity levels and basic counting ability.

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