The common-core math standards require that students learn the standard algorithm for multi-digit adding and subtracting—you know, the process in which you line the numbers up vertically to add or ...
William G. McCallum accepted an offer about five years ago to lead a team in developing the Common Core State Standards for mathematics. The Sydney, Australia-born mathematics professor, who has ...
A set of guidelines adopted by 45 states this year may turn children into "little mathematicians" who don't know how to do actual math. A few weeks ago, I wrote an article for TheAtlantic.com ...
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