The purpose of this research is to discuss the output of the international cooperation, which has been managed since 1994 by Yokota-cho, Shimane, based upon abacus education. This project aims at the improvement of the calculation ability of primary and junior secondary students in Loiet, Thailand, where the scarcity of teaching aids is noted as a serious problem. In this research the researchers employed questionnaires and interview methods to collect data, and we noted the following points through analysis: (i) there is a discrepancy between the calculation ability of students in urban and rural areas; (ii) the students who have learned with an abacus performed better than those who have not; (iii) abacus education influenced students' interest and attitudes towards mathematics. From these findings it is suggested that abacus education should be interpreted not only as a tool to promote calculation ability but also as a stimulus to break down the status quo of the present poor quality of education in that area. In conclusion, the significance and future issues of this project have been identified. As regards the significance of this project, at first, a prefectural government in Japan has taken a very positive initiating role in this project. Secondly, the project focuses upon the issue of developing basic learning ability at the primary education level. Thirdly, a unique Japanese tradition, the abacus, is being utilized in this project. Finally, the project can be seen as a good opportunity to activate in-service training of teachers in rural areas. In order to realize fully these four points, we have concluded that integration of abacus education into school mathematics education should be seriously considered, and Japanese experience on curriculum research and development can play an important role in this integration.
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