I was a guest on the MathEd podcast discussing my recent ZDM paper Leveraging variation of historical number systems to build understanding of the base-ten place-value system.
NCTM 2019 and JRME 2009 now exist as brief videos.
“It just got Real” – Backing into Social Justice Part 1 (NCTM, 2019)
“It just got Real” – Backing into Social Justice Part 2 (NCTM, 2019)
Prospective Teachers Conception of Number (JRME, 2009)
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Sigma Xi Winner of the Outstanding Researcher Award for Math 2014