Are We Having Fun Yet? How Teachers Use Manipulatives to Teach Mathematics

Qualitative evaluation and research methods

Michael Quinn Patton · 1990 · 21.8K citations

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Knowing and teaching elementary mathematics: teachers' understanding of fundamental mathematics in China and the United States

Choice Reviews Online · 1999 · 1.8K citations

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The Child's Conception of Number

E. A. Peel, J. Piaget · British Journal of Educational Studies · 1953 · 1.8K citations

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Reconstructing Mathematics Pedagogy from a Constructivist Perspective

Martin A. Simon · Journal for Research in Mathematics Education · 1995 · 1.3K citations

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The Child's Conception of Geometry

Jim Richardson, Jean Piaget, Bärbel Inhelder et al. · British Journal of Educational Studies · 1960 · 914 citations

Natural Sciences, Mathematics, Child Development +12