David Wees

"Inspiring and informative...deserves to be widely read."--Wall Street Journal"This fun book offers a philosophical take on number systems and revels in the beauty of math."--Science NewsBecause we have ten fingers, grouping by ten seems natural, but twelve would be better for divisibility, and eight is well suited to repeated halving. Grouping by ...

For seven years, Paul Lockhart s "A Mathematician s Lament" enjoyed a samizdat-style popularity in the mathematics underground, before demand prompted its 2009 publication to even wider applause and debate. An impassioned critique of K 12 mathematics education, it outlined how we shortchange students by introducing them to math the wrong way. Here ...

"Routines for Reasoning will help teachers think a lot harder about what the mathematical practices mean...This book should be on every mathematics teacher's bookshelf." - Elham Kazemi, Geda and Phil Condit Professor in Mathematics Education, University of Washington; coauthor of Intentional Talk"This book is a must read for every K-12 teacher seri...