International Journal on Science and Technology

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Enhancing Pupils' Skills in Solving Decimal Addition Operations Using the 3D Decimal Board

Author(s) Kalairajan Sandasagan, Suhashini Selva Raj
Country Malaysia
Abstract This study aimed to enhance Year 3 pupils' proficiency in decimal addition operations, specifically those involving regrouping skills. The research was conducted at a school in the Kuala Kangsar district and utilized an action research design. Three participants, comprising one male and two female pupils, were selected based on purposive sampling method via their diagnostic test performance. The data collection methods included pre-tests, post-tests, document analysis, observation, and interviews. Qualitative data was analyzed descriptively according to the research participants. The findings revealed several identified issues, such as a lack of understanding of the regrouping concept, inadequate mastery of decimal place values, errors in placing decimal points in the final answer, and carelessness during calculations. However, the intervention using the 3D Decimal Board was successful in helping all participants comprehend the concept and develop proficiency in adding decimal numbers up to three decimal places through regrouping. The 3D Decimal Board's key strengths were its applicability to daily life, user-friendliness, and its ability to reinforce the concept of decimal addition.
Keywords 3D Decimal Board, decimal numbers, regrouping addition
Field Sociology > Education
Published In Volume 15, Issue 4, October-December 2024
Published On 2024-12-25
Cite This Enhancing Pupils' Skills in Solving Decimal Addition Operations Using the 3D Decimal Board - Kalairajan Sandasagan, Suhashini Selva Raj - IJSAT Volume 15, Issue 4, October-December 2024. DOI 10.71097/IJSAT.v15.i4.1248
DOI https://doi.org/10.71097/IJSAT.v15.i4.1248
Short DOI https://doi.org/g82pdf
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