Abstracting the Density of Numbers on the Number Line--A Quasi-Experimental Study.
作者： Kaarina Merenluoto
DOI:
关键词: Mathematics 、 Mathematics education 、 Number line 、 Abstraction 、 Mathematical logic 、 Test (assessment) 、 Rational number 、 Natural number 、 Conceptual change 、 Group (mathematics)
摘要: The starting point for this study was the resistant nature of prior knowledge in conceptual change from natural numbers to rational observed our previous study. Thus, effects deliberately teaching abstraction density on number line tested a quasi-experimental at beginning students’ first course calculus. results suggest significant and stable effect post test between group control group. This had an important relation level quality line, which found short essays written by participants during intervention.
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