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Chen, Ching-shu – Online Submission, 2009
The purpose of the research is to explore second graders' concept of number development and quantitative reasoning. For this purpose, there were two stages of trials for the children. The first trial was concrete objects. After three months, the children participated in the second trial of half concrete objects. Since understanding the process of…
Descriptors: Foreign Countries, Numeracy, Problem Solving, Mathematics Instruction