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Source:
Conference Papers -- Psychology of Mathematics & Education of North America; 2020, p1615-1619, 5p
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Conference Papers -- Psychology of Mathematics & Education of North America; 11/14/2019, p360-369, 10p
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Educational Technology & Society. Jul2017, Vol. 20 Issue 3, p207-219. 13p.
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Electronic Journal of Mathematics & Technology. Oct2014, Vol. 8 Issue 5, p300-316. 17p.
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Developmental Science. Jul2011, Vol. 14 Issue 4, p809-821. 13p. 1 Black and White Photograph, 1 Diagram, 2 Charts, 2 Graphs.
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Australian Primary Mathematics Classroom; 2017, Vol. 22 Issue 1, p13-20, 8p, 4 Diagrams, 3 Charts
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Micromath. Spring2005, Vol. 21 Issue 1, p9-13. 5p.
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Micromath. Spring2004, Vol. 20 Issue 1, p35-40. 6p.
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Child Development; Jan/Feb2015, Vol. 86 Issue 1, p319-326, 8p, 3 Black and White Photographs, 1 Graph
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Montana Mathematics Enthusiast; 2010, Vol. 7 Issue 2/3, p275-294, 20p, 1 Black and White Photograph, 2 Charts
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